

<!--Generated by Thomson Reuters Accelus-->
<link:linkbase xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xbrli="http://www.xbrl.org/2003/instance">
  <link:roleRef roleURI="http://qepres.com/role/DocumentAndEntityInformation" xlink:type="simple" xlink:href="qep-20111231.xsd#DocumentAndEntityInformation" />
  <link:roleRef roleURI="http://qepres.com/role/ScheduleOfValuationAndQualifyingAccountsDetails" xlink:type="simple" xlink:href="qep-20111231.xsd#ScheduleOfValuationAndQualifyingAccountsDetails" />
  <link:roleRef roleURI="http://qepres.com/role/ScheduleOfValuationAndQualifyingAccounts" xlink:type="simple" xlink:href="qep-20111231.xsd#ScheduleOfValuationAndQualifyingAccounts" />
  <link:roleRef roleURI="http://qepres.com/role/SupplementalGasAndOilInformationUnauditedTables" xlink:type="simple" xlink:href="qep-20111231.xsd#SupplementalGasAndOilInformationUnauditedTables" />
  <link:roleRef roleURI="http://qepres.com/role/SupplementalGasAndOilInformationUnauditedDetails" xlink:type="simple" xlink:href="qep-20111231.xsd#SupplementalGasAndOilInformationUnauditedDetails" />
  <link:roleRef roleURI="http://qepres.com/role/SupplementalGasAndOilInformationUnaudited" xlink:type="simple" xlink:href="qep-20111231.xsd#SupplementalGasAndOilInformationUnaudited" />
  <link:roleRef roleURI="http://qepres.com/role/QuarterlyFinancialInformationUnauditedTables" xlink:type="simple" xlink:href="qep-20111231.xsd#QuarterlyFinancialInformationUnauditedTables" />
  <link:roleRef roleURI="http://qepres.com/role/QuarterlyFinancialInformationUnauditedDetails" xlink:type="simple" xlink:href="qep-20111231.xsd#QuarterlyFinancialInformationUnauditedDetails" />
  <link:roleRef roleURI="http://qepres.com/role/QuarterlyFinancialInformationUnaudited" xlink:type="simple" xlink:href="qep-20111231.xsd#QuarterlyFinancialInformationUnaudited" />
  <link:roleRef roleURI="http://qepres.com/role/OperationsByLineOfBusinessTables" xlink:type="simple" xlink:href="qep-20111231.xsd#OperationsByLineOfBusinessTables" />
  <link:roleRef roleURI="http://qepres.com/role/OperationsByLineOfBusinessDetails" xlink:type="simple" xlink:href="qep-20111231.xsd#OperationsByLineOfBusinessDetails" />
  <link:roleRef roleURI="http://qepres.com/role/OperationsByLineOfBusiness" xlink:type="simple" xlink:href="qep-20111231.xsd#OperationsByLineOfBusiness" />
  <link:roleRef roleURI="http://qepres.com/role/EmployeeBenefitsTables" xlink:type="simple" xlink:href="qep-20111231.xsd#EmployeeBenefitsTables" />
  <link:roleRef roleURI="http://qepres.com/role/EmployeeBenefitsDetails" xlink:type="simple" xlink:href="qep-20111231.xsd#EmployeeBenefitsDetails" />
  <link:roleRef roleURI="http://qepres.com/role/EmployeeBenefits" xlink:type="simple" xlink:href="qep-20111231.xsd#EmployeeBenefits" />
  <link:roleRef roleURI="http://qepres.com/role/ShareBasedCompensationTables" xlink:type="simple" xlink:href="qep-20111231.xsd#ShareBasedCompensationTables" />
  <link:roleRef roleURI="http://qepres.com/role/ShareBasedCompensationDetails" xlink:type="simple" xlink:href="qep-20111231.xsd#ShareBasedCompensationDetails" />
  <link:roleRef roleURI="http://qepres.com/role/ShareBasedCompensation" xlink:type="simple" xlink:href="qep-20111231.xsd#ShareBasedCompensation" />
  <link:roleRef roleURI="http://qepres.com/role/CommitmentsAndContingenciesTables" xlink:type="simple" xlink:href="qep-20111231.xsd#CommitmentsAndContingenciesTables" />
  <link:roleRef roleURI="http://qepres.com/role/CommitmentsAndContingenciesDetails" xlink:type="simple" xlink:href="qep-20111231.xsd#CommitmentsAndContingenciesDetails" />
  <link:roleRef roleURI="http://qepres.com/role/CommitmentsAndContingencies" xlink:type="simple" xlink:href="qep-20111231.xsd#CommitmentsAndContingencies" />
  <link:roleRef roleURI="http://qepres.com/role/IncomeTaxesTables" xlink:type="simple" xlink:href="qep-20111231.xsd#IncomeTaxesTables" />
  <link:roleRef roleURI="http://qepres.com/role/IncomeTaxesDetails" xlink:type="simple" xlink:href="qep-20111231.xsd#IncomeTaxesDetails" />
  <link:roleRef roleURI="http://qepres.com/role/IncomeTaxes" xlink:type="simple" xlink:href="qep-20111231.xsd#IncomeTaxes" />
  <link:roleRef roleURI="http://qepres.com/role/DebtTables" xlink:type="simple" xlink:href="qep-20111231.xsd#DebtTables" />
  <link:roleRef roleURI="http://qepres.com/role/DebtDetails" xlink:type="simple" xlink:href="qep-20111231.xsd#DebtDetails" />
  <link:roleRef roleURI="http://qepres.com/role/Debt" xlink:type="simple" xlink:href="qep-20111231.xsd#Debt" />
  <link:roleRef roleURI="http://qepres.com/role/DerivativeContractsTables" xlink:type="simple" xlink:href="qep-20111231.xsd#DerivativeContractsTables" />
  <link:roleRef roleURI="http://qepres.com/role/DerivativeContractsDetails" xlink:type="simple" xlink:href="qep-20111231.xsd#DerivativeContractsDetails" />
  <link:roleRef roleURI="http://qepres.com/role/DerivativeContracts" xlink:type="simple" xlink:href="qep-20111231.xsd#DerivativeContracts" />
  <link:roleRef roleURI="http://qepres.com/role/FairValueMeasurementsTables" xlink:type="simple" xlink:href="qep-20111231.xsd#FairValueMeasurementsTables" />
  <link:roleRef roleURI="http://qepres.com/role/FairValueMeasurementsDetails" xlink:type="simple" xlink:href="qep-20111231.xsd#FairValueMeasurementsDetails" />
  <link:roleRef roleURI="http://qepres.com/role/FairValueMeasurements" xlink:type="simple" xlink:href="qep-20111231.xsd#FairValueMeasurements" />
  <link:roleRef roleURI="http://qepres.com/role/CapitalizedExploratoryWellCostsTables" xlink:type="simple" xlink:href="qep-20111231.xsd#CapitalizedExploratoryWellCostsTables" />
  <link:roleRef roleURI="http://qepres.com/role/CapitalizedExploratoryWellCostsDetails" xlink:type="simple" xlink:href="qep-20111231.xsd#CapitalizedExploratoryWellCostsDetails" />
  <link:roleRef roleURI="http://qepres.com/role/CapitalizedExploratoryWellCosts" xlink:type="simple" xlink:href="qep-20111231.xsd#CapitalizedExploratoryWellCosts" />
  <link:roleRef roleURI="http://qepres.com/role/AssetRetirementObligationsPolicies" xlink:type="simple" xlink:href="qep-20111231.xsd#AssetRetirementObligationsPolicies" />
  <link:roleRef roleURI="http://qepres.com/role/AssetRetirementObligationsTables" xlink:type="simple" xlink:href="qep-20111231.xsd#AssetRetirementObligationsTables" />
  <link:roleRef roleURI="http://qepres.com/role/AssetRetirementObligationsDetails" xlink:type="simple" xlink:href="qep-20111231.xsd#AssetRetirementObligationsDetails" />
  <link:roleRef roleURI="http://qepres.com/role/AssetRetirementObligations" xlink:type="simple" xlink:href="qep-20111231.xsd#AssetRetirementObligations" />
  <link:roleRef roleURI="http://qepres.com/role/DiscontinuedOperationsTables" xlink:type="simple" xlink:href="qep-20111231.xsd#DiscontinuedOperationsTables" />
  <link:roleRef roleURI="http://qepres.com/role/DiscontinuedOperationsDetails" xlink:type="simple" xlink:href="qep-20111231.xsd#DiscontinuedOperationsDetails" />
  <link:roleRef roleURI="http://qepres.com/role/DiscontinuedOperations" xlink:type="simple" xlink:href="qep-20111231.xsd#DiscontinuedOperations" />
  <link:roleRef roleURI="http://qepres.com/role/SummaryOfSignificantAccountingPoliciesTables" xlink:type="simple" xlink:href="qep-20111231.xsd#SummaryOfSignificantAccountingPoliciesTables" />
  <link:roleRef roleURI="http://qepres.com/role/SummaryOfSignificantAccountingPoliciesPolicies" xlink:type="simple" xlink:href="qep-20111231.xsd#SummaryOfSignificantAccountingPoliciesPolicies" />
  <link:roleRef roleURI="http://qepres.com/role/SummaryOfSignificantAccountingPoliciesDetails" xlink:type="simple" xlink:href="qep-20111231.xsd#SummaryOfSignificantAccountingPoliciesDetails" />
  <link:roleRef roleURI="http://qepres.com/role/SummaryOfSignificantAccountingPolicies" xlink:type="simple" xlink:href="qep-20111231.xsd#SummaryOfSignificantAccountingPolicies" />
  <link:roleRef roleURI="http://qepres.com/role/ConsolidatedStatementsOfCashFlows" xlink:type="simple" xlink:href="qep-20111231.xsd#ConsolidatedStatementsOfCashFlows" />
  <link:roleRef roleURI="http://qepres.com/role/ConsolidatedStatementsOfEquity" xlink:type="simple" xlink:href="qep-20111231.xsd#ConsolidatedStatementsOfEquity" />
  <link:roleRef roleURI="http://qepres.com/role/ConsolidatedBalanceSheetsParenthetical" xlink:type="simple" xlink:href="qep-20111231.xsd#ConsolidatedBalanceSheetsParenthetical" />
  <link:roleRef roleURI="http://qepres.com/role/ConsolidatedBalanceSheets" xlink:type="simple" xlink:href="qep-20111231.xsd#ConsolidatedBalanceSheets" />
  <link:roleRef roleURI="http://qepres.com/role/ConsolidatedStatementsOfComprehensiveIncomeParenthetical" xlink:type="simple" xlink:href="qep-20111231.xsd#ConsolidatedStatementsOfComprehensiveIncomeParenthetical" />
  <link:roleRef roleURI="http://qepres.com/role/ConsolidatedStatementsOfComprehensiveIncome" xlink:type="simple" xlink:href="qep-20111231.xsd#ConsolidatedStatementsOfComprehensiveIncome" />
  <link:roleRef roleURI="http://qepres.com/role/ConsolidatedStatementsOfIncome" xlink:type="simple" xlink:href="qep-20111231.xsd#ConsolidatedStatementsOfIncome" />
  <link:calculationLink xlink:type="extended" xlink:role="http://qepres.com/role/ConsolidatedStatementsOfIncome">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="NetIncomeLoss" xlink:title="NetIncomeLoss" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProfitLoss" xlink:label="ProfitLoss" xlink:title="ProfitLoss" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest" xlink:label="IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest" xlink:title="IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:label="IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:title="IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="OperatingIncomeLoss" xlink:title="OperatingIncomeLoss" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingExpenses" xlink:label="OperatingExpenses" xlink:title="OperatingExpenses" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RefiningAndMarketingCosts" xlink:label="RefiningAndMarketingCosts" xlink:title="RefiningAndMarketingCosts" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="OperatingExpenses" xlink:to="RefiningAndMarketingCosts" xlink:title="calculation: OperatingExpenses to RefiningAndMarketingCosts" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LeaseOperatingExpense" xlink:label="LeaseOperatingExpense" xlink:title="LeaseOperatingExpense" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="OperatingExpenses" xlink:to="LeaseOperatingExpense" xlink:title="calculation: OperatingExpenses to LeaseOperatingExpense" order="2.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShippingHandlingAndTransportationCosts" xlink:label="ShippingHandlingAndTransportationCosts" xlink:title="ShippingHandlingAndTransportationCosts" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="OperatingExpenses" xlink:to="ShippingHandlingAndTransportationCosts" xlink:title="calculation: OperatingExpenses to ShippingHandlingAndTransportationCosts" order="3.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GasGatheringTransportationMarketingAndProcessingCosts" xlink:label="GasGatheringTransportationMarketingAndProcessingCosts" xlink:title="GasGatheringTransportationMarketingAndProcessingCosts" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="OperatingExpenses" xlink:to="GasGatheringTransportationMarketingAndProcessingCosts" xlink:title="calculation: OperatingExpenses to GasGatheringTransportationMarketingAndProcessingCosts" order="4.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GeneralAndAdministrativeExpense" xlink:label="GeneralAndAdministrativeExpense" xlink:title="GeneralAndAdministrativeExpense" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="OperatingExpenses" xlink:to="GeneralAndAdministrativeExpense" xlink:title="calculation: OperatingExpenses to GeneralAndAdministrativeExpense" order="5.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherNonrecurringExpense" xlink:label="OtherNonrecurringExpense" xlink:title="OtherNonrecurringExpense" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="OperatingExpenses" xlink:to="OtherNonrecurringExpense" xlink:title="calculation: OperatingExpenses to OtherNonrecurringExpense" order="6.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProductionTaxExpense" xlink:label="ProductionTaxExpense" xlink:title="ProductionTaxExpense" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="OperatingExpenses" xlink:to="ProductionTaxExpense" xlink:title="calculation: OperatingExpenses to ProductionTaxExpense" order="7.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DepreciationAndAmortization" xlink:label="DepreciationAndAmortization" xlink:title="DepreciationAndAmortization" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="OperatingExpenses" xlink:to="DepreciationAndAmortization" xlink:title="calculation: OperatingExpenses to DepreciationAndAmortization" order="8.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ExplorationExpense" xlink:label="ExplorationExpense" xlink:title="ExplorationExpense" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="OperatingExpenses" xlink:to="ExplorationExpense" xlink:title="calculation: OperatingExpenses to ExplorationExpense" order="9.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ExplorationAbandonmentAndImpairmentExpense" xlink:label="ExplorationAbandonmentAndImpairmentExpense" xlink:title="ExplorationAbandonmentAndImpairmentExpense" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="OperatingExpenses" xlink:to="ExplorationAbandonmentAndImpairmentExpense" xlink:title="calculation: OperatingExpenses to ExplorationAbandonmentAndImpairmentExpense" order="10.0" weight="1.0" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="OperatingIncomeLoss" xlink:to="OperatingExpenses" xlink:title="calculation: OperatingIncomeLoss to OperatingExpenses" order="1.0" weight="-1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GainLossOnSaleOfPropertyPlantEquipment" xlink:label="GainLossOnSaleOfPropertyPlantEquipment" xlink:title="GainLossOnSaleOfPropertyPlantEquipment" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="OperatingIncomeLoss" xlink:to="GainLossOnSaleOfPropertyPlantEquipment" xlink:title="calculation: OperatingIncomeLoss to GainLossOnSaleOfPropertyPlantEquipment" order="2.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OilAndGasRevenue" xlink:label="OilAndGasRevenue" xlink:title="OilAndGasRevenue" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NaturalGasProductionRevenue" xlink:label="NaturalGasProductionRevenue" xlink:title="NaturalGasProductionRevenue" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="OilAndGasRevenue" xlink:to="NaturalGasProductionRevenue" xlink:title="calculation: OilAndGasRevenue to NaturalGasProductionRevenue" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OilAndCondensateRevenue" xlink:label="OilAndCondensateRevenue" xlink:title="OilAndCondensateRevenue" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="OilAndGasRevenue" xlink:to="OilAndCondensateRevenue" xlink:title="calculation: OilAndGasRevenue to OilAndCondensateRevenue" order="2.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NaturalGasMidstreamRevenue" xlink:label="NaturalGasMidstreamRevenue" xlink:title="NaturalGasMidstreamRevenue" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="OilAndGasRevenue" xlink:to="NaturalGasMidstreamRevenue" xlink:title="calculation: OilAndGasRevenue to NaturalGasMidstreamRevenue" order="3.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GasGatheringTransportationMarketingAndProcessingRevenue" xlink:label="GasGatheringTransportationMarketingAndProcessingRevenue" xlink:title="GasGatheringTransportationMarketingAndProcessingRevenue" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="OilAndGasRevenue" xlink:to="GasGatheringTransportationMarketingAndProcessingRevenue" xlink:title="calculation: OilAndGasRevenue to GasGatheringTransportationMarketingAndProcessingRevenue" order="4.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RefiningAndMarketingRevenue" xlink:label="RefiningAndMarketingRevenue" xlink:title="RefiningAndMarketingRevenue" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="OilAndGasRevenue" xlink:to="RefiningAndMarketingRevenue" xlink:title="calculation: OilAndGasRevenue to RefiningAndMarketingRevenue" order="5.0" weight="1.0" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="OperatingIncomeLoss" xlink:to="OilAndGasRevenue" xlink:title="calculation: OperatingIncomeLoss to OilAndGasRevenue" order="3.0" weight="1.0" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:to="OperatingIncomeLoss" xlink:title="calculation: IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments to OperatingIncomeLoss" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestIncomeOperating" xlink:label="InterestIncomeOperating" xlink:title="InterestIncomeOperating" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:to="InterestIncomeOperating" xlink:title="calculation: IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments to InterestIncomeOperating" order="2.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="IncomeLossFromEquityMethodInvestments" xlink:title="IncomeLossFromEquityMethodInvestments" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:to="IncomeLossFromEquityMethodInvestments" xlink:title="calculation: IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments to IncomeLossFromEquityMethodInvestments" order="3.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet" xlink:label="DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet" xlink:title="DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:to="DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet" xlink:title="calculation: IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments to DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet" order="4.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:label="GainsLossesOnExtinguishmentOfDebt" xlink:title="GainsLossesOnExtinguishmentOfDebt" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:to="GainsLossesOnExtinguishmentOfDebt" xlink:title="calculation: IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments to GainsLossesOnExtinguishmentOfDebt" order="5.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestExpense" xlink:label="InterestExpense" xlink:title="InterestExpense" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:to="InterestExpense" xlink:title="calculation: IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments to InterestExpense" order="6.0" weight="-1.0" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest" xlink:to="IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:title="calculation: IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest to IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="IncomeTaxExpenseBenefit" xlink:title="IncomeTaxExpenseBenefit" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest" xlink:to="IncomeTaxExpenseBenefit" xlink:title="calculation: IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest to IncomeTaxExpenseBenefit" order="2.0" weight="-1.0" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ProfitLoss" xlink:to="IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest" xlink:title="calculation: ProfitLoss to IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax" xlink:label="IncomeLossFromDiscontinuedOperationsNetOfTax" xlink:title="IncomeLossFromDiscontinuedOperationsNetOfTax" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ProfitLoss" xlink:to="IncomeLossFromDiscontinuedOperationsNetOfTax" xlink:title="calculation: ProfitLoss to IncomeLossFromDiscontinuedOperationsNetOfTax" order="2.0" weight="1.0" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetIncomeLoss" xlink:to="ProfitLoss" xlink:title="calculation: NetIncomeLoss to ProfitLoss" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:label="NetIncomeLossAttributableToNoncontrollingInterest" xlink:title="NetIncomeLossAttributableToNoncontrollingInterest" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetIncomeLoss" xlink:to="NetIncomeLossAttributableToNoncontrollingInterest" xlink:title="calculation: NetIncomeLoss to NetIncomeLossAttributableToNoncontrollingInterest" order="2.0" weight="-1.0" />
  </link:calculationLink>
  <link:calculationLink xlink:type="extended" xlink:role="http://qepres.com/role/ConsolidatedStatementsOfComprehensiveIncome">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="ComprehensiveIncomeNetOfTax" xlink:title="ComprehensiveIncomeNetOfTax" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:label="ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:title="ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease" xlink:label="OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease" xlink:title="OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease" xlink:label="OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease" xlink:title="OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax" xlink:label="OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax" xlink:title="OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease" xlink:to="OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax" xlink:title="calculation: OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease to OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax" order="1.0" weight="-1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax" xlink:label="OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax" xlink:title="OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease" xlink:to="OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax" xlink:title="calculation: OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease to OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax" order="2.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherComprehensiveIncomeAmortizationOfDefinedBenefitPlanNetPriorServiceCostRecognizedInNetPeriodicPensionCostNetOfTax" xlink:label="OtherComprehensiveIncomeAmortizationOfDefinedBenefitPlanNetPriorServiceCostRecognizedInNetPeriodicPensionCostNetOfTax" xlink:title="OtherComprehensiveIncomeAmortizationOfDefinedBenefitPlanNetPriorServiceCostRecognizedInNetPeriodicPensionCostNetOfTax" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease" xlink:to="OtherComprehensiveIncomeAmortizationOfDefinedBenefitPlanNetPriorServiceCostRecognizedInNetPeriodicPensionCostNetOfTax" xlink:title="calculation: OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease to OtherComprehensiveIncomeAmortizationOfDefinedBenefitPlanNetPriorServiceCostRecognizedInNetPeriodicPensionCostNetOfTax" order="3.0" weight="-1.0" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease" xlink:to="OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease" xlink:title="calculation: OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease to OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentNetOfTaxPeriodIncreaseDecrease" order="1.0" weight="-1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax" xlink:label="OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax" xlink:title="OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease" xlink:to="OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax" xlink:title="calculation: OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease to OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax" order="2.0" weight="-1.0" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:to="OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease" xlink:title="calculation: ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest to OtherComprehensiveIncomeLossNetOfTaxPeriodIncreaseDecrease" order="1.0" weight="-1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProfitLoss" xlink:label="ProfitLoss" xlink:title="ProfitLoss" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:to="ProfitLoss" xlink:title="calculation: ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest to ProfitLoss" order="2.0" weight="1.0" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ComprehensiveIncomeNetOfTax" xlink:to="ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" xlink:title="calculation: ComprehensiveIncomeNetOfTax to ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xlink:label="ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xlink:title="ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ComprehensiveIncomeNetOfTax" xlink:to="ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" xlink:title="calculation: ComprehensiveIncomeNetOfTax to ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest" order="2.0" weight="-1.0" />
  </link:calculationLink>
  <link:calculationLink xlink:type="extended" xlink:role="http://qepres.com/role/ConsolidatedStatementsOfComprehensiveIncomeParenthetical" />
  <link:calculationLink xlink:type="extended" xlink:role="http://qepres.com/role/ConsolidatedBalanceSheets">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="LiabilitiesAndStockholdersEquity" xlink:title="LiabilitiesAndStockholdersEquity" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:label="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:title="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="StockholdersEquity" xlink:title="StockholdersEquity" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AdditionalPaidInCapitalCommonStock" xlink:label="AdditionalPaidInCapitalCommonStock" xlink:title="AdditionalPaidInCapitalCommonStock" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="StockholdersEquity" xlink:to="AdditionalPaidInCapitalCommonStock" xlink:title="calculation: StockholdersEquity to AdditionalPaidInCapitalCommonStock" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="RetainedEarningsAccumulatedDeficit" xlink:title="RetainedEarningsAccumulatedDeficit" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="StockholdersEquity" xlink:to="RetainedEarningsAccumulatedDeficit" xlink:title="calculation: StockholdersEquity to RetainedEarningsAccumulatedDeficit" order="2.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:label="AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:title="AccumulatedOtherComprehensiveIncomeLossNetOfTax" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="StockholdersEquity" xlink:to="AccumulatedOtherComprehensiveIncomeLossNetOfTax" xlink:title="calculation: StockholdersEquity to AccumulatedOtherComprehensiveIncomeLossNetOfTax" order="3.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_TreasuryStockValue" xlink:label="TreasuryStockValue" xlink:title="TreasuryStockValue" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="StockholdersEquity" xlink:to="TreasuryStockValue" xlink:title="calculation: StockholdersEquity to TreasuryStockValue" order="4.0" weight="-1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommonStockValue" xlink:label="CommonStockValue" xlink:title="CommonStockValue" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="StockholdersEquity" xlink:to="CommonStockValue" xlink:title="calculation: StockholdersEquity to CommonStockValue" order="5.0" weight="1.0" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:to="StockholdersEquity" xlink:title="calculation: StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest to StockholdersEquity" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_MinorityInterest" xlink:label="MinorityInterest" xlink:title="MinorityInterest" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:to="MinorityInterest" xlink:title="calculation: StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest to MinorityInterest" order="2.0" weight="1.0" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="LiabilitiesAndStockholdersEquity" xlink:to="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:title="calculation: LiabilitiesAndStockholdersEquity to StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="LiabilitiesCurrent" xlink:title="LiabilitiesCurrent" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_BankOverdrafts" xlink:label="BankOverdrafts" xlink:title="BankOverdrafts" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="LiabilitiesCurrent" xlink:to="BankOverdrafts" xlink:title="calculation: LiabilitiesCurrent to BankOverdrafts" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent" xlink:label="AccountsPayableAndAccruedLiabilitiesCurrent" xlink:title="AccountsPayableAndAccruedLiabilitiesCurrent" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="LiabilitiesCurrent" xlink:to="AccountsPayableAndAccruedLiabilitiesCurrent" xlink:title="calculation: LiabilitiesCurrent to AccountsPayableAndAccruedLiabilitiesCurrent" order="2.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccrualForTaxesOtherThanIncomeTaxesCurrent" xlink:label="AccrualForTaxesOtherThanIncomeTaxesCurrent" xlink:title="AccrualForTaxesOtherThanIncomeTaxesCurrent" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="LiabilitiesCurrent" xlink:to="AccrualForTaxesOtherThanIncomeTaxesCurrent" xlink:title="calculation: LiabilitiesCurrent to AccrualForTaxesOtherThanIncomeTaxesCurrent" order="3.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestPayableCurrent" xlink:label="InterestPayableCurrent" xlink:title="InterestPayableCurrent" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="LiabilitiesCurrent" xlink:to="InterestPayableCurrent" xlink:title="calculation: LiabilitiesCurrent to InterestPayableCurrent" order="4.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgesLiabilities" xlink:label="DerivativeInstrumentsAndHedgesLiabilities" xlink:title="DerivativeInstrumentsAndHedgesLiabilities" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="LiabilitiesCurrent" xlink:to="DerivativeInstrumentsAndHedgesLiabilities" xlink:title="calculation: LiabilitiesCurrent to DerivativeInstrumentsAndHedgesLiabilities" order="5.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxLiabilitiesCurrent" xlink:label="DeferredTaxLiabilitiesCurrent" xlink:title="DeferredTaxLiabilitiesCurrent" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="LiabilitiesCurrent" xlink:to="DeferredTaxLiabilitiesCurrent" xlink:title="calculation: LiabilitiesCurrent to DeferredTaxLiabilitiesCurrent" order="6.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtCurrent" xlink:label="LongTermDebtCurrent" xlink:title="LongTermDebtCurrent" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="LiabilitiesCurrent" xlink:to="LongTermDebtCurrent" xlink:title="calculation: LiabilitiesCurrent to LongTermDebtCurrent" order="7.0" weight="1.0" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="LiabilitiesAndStockholdersEquity" xlink:to="LiabilitiesCurrent" xlink:title="calculation: LiabilitiesAndStockholdersEquity to LiabilitiesCurrent" order="2.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="LongTermDebtNoncurrent" xlink:title="LongTermDebtNoncurrent" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="LiabilitiesAndStockholdersEquity" xlink:to="LongTermDebtNoncurrent" xlink:title="calculation: LiabilitiesAndStockholdersEquity to LongTermDebtNoncurrent" order="3.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxLiabilitiesNoncurrent" xlink:label="DeferredTaxLiabilitiesNoncurrent" xlink:title="DeferredTaxLiabilitiesNoncurrent" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="LiabilitiesAndStockholdersEquity" xlink:to="DeferredTaxLiabilitiesNoncurrent" xlink:title="calculation: LiabilitiesAndStockholdersEquity to DeferredTaxLiabilitiesNoncurrent" order="4.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AssetRetirementObligationsNoncurrent" xlink:label="AssetRetirementObligationsNoncurrent" xlink:title="AssetRetirementObligationsNoncurrent" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="LiabilitiesAndStockholdersEquity" xlink:to="AssetRetirementObligationsNoncurrent" xlink:title="calculation: LiabilitiesAndStockholdersEquity to AssetRetirementObligationsNoncurrent" order="5.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeLiabilitiesNoncurrent" xlink:label="DerivativeLiabilitiesNoncurrent" xlink:title="DerivativeLiabilitiesNoncurrent" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="LiabilitiesAndStockholdersEquity" xlink:to="DerivativeLiabilitiesNoncurrent" xlink:title="calculation: LiabilitiesAndStockholdersEquity to DerivativeLiabilitiesNoncurrent" order="6.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="OtherLiabilitiesNoncurrent" xlink:title="OtherLiabilitiesNoncurrent" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="LiabilitiesAndStockholdersEquity" xlink:to="OtherLiabilitiesNoncurrent" xlink:title="calculation: LiabilitiesAndStockholdersEquity to OtherLiabilitiesNoncurrent" order="7.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="CommitmentsAndContingencies" xlink:title="CommitmentsAndContingencies" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="LiabilitiesAndStockholdersEquity" xlink:to="CommitmentsAndContingencies" xlink:title="calculation: LiabilitiesAndStockholdersEquity to CommitmentsAndContingencies" order="8.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_Assets" xlink:label="Assets" xlink:title="Assets" />
    <link:loc xlink:type="locator" xlink:href="qep-20111231.xsd#qep_TotalOtherAssets" xlink:label="TotalOtherAssets" xlink:title="TotalOtherAssets" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_Goodwill" xlink:label="Goodwill" xlink:title="Goodwill" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="TotalOtherAssets" xlink:to="Goodwill" xlink:title="calculation: TotalOtherAssets to Goodwill" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgesNoncurrent" xlink:label="DerivativeInstrumentsAndHedgesNoncurrent" xlink:title="DerivativeInstrumentsAndHedgesNoncurrent" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="TotalOtherAssets" xlink:to="DerivativeInstrumentsAndHedgesNoncurrent" xlink:title="calculation: TotalOtherAssets to DerivativeInstrumentsAndHedgesNoncurrent" order="2.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="OtherAssetsNoncurrent" xlink:title="OtherAssetsNoncurrent" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="TotalOtherAssets" xlink:to="OtherAssetsNoncurrent" xlink:title="calculation: TotalOtherAssets to OtherAssetsNoncurrent" order="3.0" weight="1.0" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Assets" xlink:to="TotalOtherAssets" xlink:title="calculation: Assets to TotalOtherAssets" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CapitalizedCostsOilAndGasProducingActivitiesNet" xlink:label="CapitalizedCostsOilAndGasProducingActivitiesNet" xlink:title="CapitalizedCostsOilAndGasProducingActivitiesNet" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:label="AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:title="AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OilAndGasPropertySuccessfulEffortMethodAccumulatedDepreciationDepletionAndAmortization" xlink:label="OilAndGasPropertySuccessfulEffortMethodAccumulatedDepreciationDepletionAndAmortization" xlink:title="OilAndGasPropertySuccessfulEffortMethodAccumulatedDepreciationDepletionAndAmortization" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:to="OilAndGasPropertySuccessfulEffortMethodAccumulatedDepreciationDepletionAndAmortization" xlink:title="calculation: AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment to OilAndGasPropertySuccessfulEffortMethodAccumulatedDepreciationDepletionAndAmortization" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="qep-20111231.xsd#qep_AccumulatedDepreciationMidstreamFieldServices" xlink:label="AccumulatedDepreciationMidstreamFieldServices" xlink:title="AccumulatedDepreciationMidstreamFieldServices" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:to="AccumulatedDepreciationMidstreamFieldServices" xlink:title="calculation: AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment to AccumulatedDepreciationMidstreamFieldServices" order="2.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PropertyPlantAndEquipmentOtherAccumulatedDepreciation" xlink:label="PropertyPlantAndEquipmentOtherAccumulatedDepreciation" xlink:title="PropertyPlantAndEquipmentOtherAccumulatedDepreciation" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:to="PropertyPlantAndEquipmentOtherAccumulatedDepreciation" xlink:title="calculation: AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment to PropertyPlantAndEquipmentOtherAccumulatedDepreciation" order="3.0" weight="1.0" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="CapitalizedCostsOilAndGasProducingActivitiesNet" xlink:to="AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" xlink:title="calculation: CapitalizedCostsOilAndGasProducingActivitiesNet to AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment" order="1.0" weight="-1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CapitalizedCostsOilAndGasProducingActivitiesGross" xlink:label="CapitalizedCostsOilAndGasProducingActivitiesGross" xlink:title="CapitalizedCostsOilAndGasProducingActivitiesGross" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProvedOilAndGasPropertySuccessfulEffortMethod" xlink:label="ProvedOilAndGasPropertySuccessfulEffortMethod" xlink:title="ProvedOilAndGasPropertySuccessfulEffortMethod" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="CapitalizedCostsOilAndGasProducingActivitiesGross" xlink:to="ProvedOilAndGasPropertySuccessfulEffortMethod" xlink:title="calculation: CapitalizedCostsOilAndGasProducingActivitiesGross to ProvedOilAndGasPropertySuccessfulEffortMethod" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_UnprovedOilAndGasPropertySuccessfulEffortMethod" xlink:label="UnprovedOilAndGasPropertySuccessfulEffortMethod" xlink:title="UnprovedOilAndGasPropertySuccessfulEffortMethod" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="CapitalizedCostsOilAndGasProducingActivitiesGross" xlink:to="UnprovedOilAndGasPropertySuccessfulEffortMethod" xlink:title="calculation: CapitalizedCostsOilAndGasProducingActivitiesGross to UnprovedOilAndGasPropertySuccessfulEffortMethod" order="2.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="qep-20111231.xsd#qep_MidstreamFieldServices" xlink:label="MidstreamFieldServices" xlink:title="MidstreamFieldServices" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="CapitalizedCostsOilAndGasProducingActivitiesGross" xlink:to="MidstreamFieldServices" xlink:title="calculation: CapitalizedCostsOilAndGasProducingActivitiesGross to MidstreamFieldServices" order="3.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PropertyPlantAndEquipmentOther" xlink:label="PropertyPlantAndEquipmentOther" xlink:title="PropertyPlantAndEquipmentOther" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="CapitalizedCostsOilAndGasProducingActivitiesGross" xlink:to="PropertyPlantAndEquipmentOther" xlink:title="calculation: CapitalizedCostsOilAndGasProducingActivitiesGross to PropertyPlantAndEquipmentOther" order="4.0" weight="1.0" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="CapitalizedCostsOilAndGasProducingActivitiesNet" xlink:to="CapitalizedCostsOilAndGasProducingActivitiesGross" xlink:title="calculation: CapitalizedCostsOilAndGasProducingActivitiesNet to CapitalizedCostsOilAndGasProducingActivitiesGross" order="2.0" weight="1.0" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Assets" xlink:to="CapitalizedCostsOilAndGasProducingActivitiesNet" xlink:title="calculation: Assets to CapitalizedCostsOilAndGasProducingActivitiesNet" order="2.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="AssetsCurrent" xlink:title="AssetsCurrent" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="CashAndCashEquivalentsAtCarryingValue" xlink:title="CashAndCashEquivalentsAtCarryingValue" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="AssetsCurrent" xlink:to="CashAndCashEquivalentsAtCarryingValue" xlink:title="calculation: AssetsCurrent to CashAndCashEquivalentsAtCarryingValue" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="AccountsReceivableNetCurrent" xlink:title="AccountsReceivableNetCurrent" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="AssetsCurrent" xlink:to="AccountsReceivableNetCurrent" xlink:title="calculation: AssetsCurrent to AccountsReceivableNetCurrent" order="2.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedges" xlink:label="DerivativeInstrumentsAndHedges" xlink:title="DerivativeInstrumentsAndHedges" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="AssetsCurrent" xlink:to="DerivativeInstrumentsAndHedges" xlink:title="calculation: AssetsCurrent to DerivativeInstrumentsAndHedges" order="3.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EnergyRelatedInventory" xlink:label="EnergyRelatedInventory" xlink:title="EnergyRelatedInventory" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="AssetsCurrent" xlink:to="EnergyRelatedInventory" xlink:title="calculation: AssetsCurrent to EnergyRelatedInventory" order="4.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InventoryRawMaterialsAndSupplies" xlink:label="InventoryRawMaterialsAndSupplies" xlink:title="InventoryRawMaterialsAndSupplies" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="AssetsCurrent" xlink:to="InventoryRawMaterialsAndSupplies" xlink:title="calculation: AssetsCurrent to InventoryRawMaterialsAndSupplies" order="5.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent" xlink:label="PrepaidExpenseAndOtherAssetsCurrent" xlink:title="PrepaidExpenseAndOtherAssetsCurrent" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="AssetsCurrent" xlink:to="PrepaidExpenseAndOtherAssetsCurrent" xlink:title="calculation: AssetsCurrent to PrepaidExpenseAndOtherAssetsCurrent" order="6.0" weight="1.0" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Assets" xlink:to="AssetsCurrent" xlink:title="calculation: Assets to AssetsCurrent" order="3.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" xlink:label="InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" xlink:title="InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="Assets" xlink:to="InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" xlink:title="calculation: Assets to InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" order="4.0" weight="1.0" />
  </link:calculationLink>
  <link:calculationLink xlink:type="extended" xlink:role="http://qepres.com/role/ConsolidatedBalanceSheetsParenthetical" />
  <link:calculationLink xlink:type="extended" xlink:role="http://qepres.com/role/ConsolidatedStatementsOfEquity" />
  <link:calculationLink xlink:type="extended" xlink:role="http://qepres.com/role/ConsolidatedStatementsOfCashFlows">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:title="CashAndCashEquivalentsPeriodIncreaseDecrease" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInContinuingOperations" xlink:label="NetCashProvidedByUsedInContinuingOperations" xlink:title="NetCashProvidedByUsedInContinuingOperations" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xlink:label="NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xlink:title="NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInOutstandingChecksFinancingActivities" xlink:label="IncreaseDecreaseInOutstandingChecksFinancingActivities" xlink:title="IncreaseDecreaseInOutstandingChecksFinancingActivities" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xlink:to="IncreaseDecreaseInOutstandingChecksFinancingActivities" xlink:title="calculation: NetCashProvidedByUsedInFinancingActivitiesContinuingOperations to IncreaseDecreaseInOutstandingChecksFinancingActivities" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromIssuanceOfLongTermDebt" xlink:label="ProceedsFromIssuanceOfLongTermDebt" xlink:title="ProceedsFromIssuanceOfLongTermDebt" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xlink:to="ProceedsFromIssuanceOfLongTermDebt" xlink:title="calculation: NetCashProvidedByUsedInFinancingActivitiesContinuingOperations to ProceedsFromIssuanceOfLongTermDebt" order="2.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsOfDebtIssuanceCosts" xlink:label="PaymentsOfDebtIssuanceCosts" xlink:title="PaymentsOfDebtIssuanceCosts" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xlink:to="PaymentsOfDebtIssuanceCosts" xlink:title="calculation: NetCashProvidedByUsedInFinancingActivitiesContinuingOperations to PaymentsOfDebtIssuanceCosts" order="3.0" weight="-1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RepaymentsOfSeniorDebt" xlink:label="RepaymentsOfSeniorDebt" xlink:title="RepaymentsOfSeniorDebt" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xlink:to="RepaymentsOfSeniorDebt" xlink:title="calculation: NetCashProvidedByUsedInFinancingActivitiesContinuingOperations to RepaymentsOfSeniorDebt" order="4.0" weight="-1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RepaymentsOfNotesPayable" xlink:label="RepaymentsOfNotesPayable" xlink:title="RepaymentsOfNotesPayable" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xlink:to="RepaymentsOfNotesPayable" xlink:title="calculation: NetCashProvidedByUsedInFinancingActivitiesContinuingOperations to RepaymentsOfNotesPayable" order="5.0" weight="-1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RepaymentsOfLongTermDebt" xlink:label="RepaymentsOfLongTermDebt" xlink:title="RepaymentsOfLongTermDebt" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xlink:to="RepaymentsOfLongTermDebt" xlink:title="calculation: NetCashProvidedByUsedInFinancingActivitiesContinuingOperations to RepaymentsOfLongTermDebt" order="6.0" weight="-1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsOfDebtExtinguishmentCosts" xlink:label="PaymentsOfDebtExtinguishmentCosts" xlink:title="PaymentsOfDebtExtinguishmentCosts" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xlink:to="PaymentsOfDebtExtinguishmentCosts" xlink:title="calculation: NetCashProvidedByUsedInFinancingActivitiesContinuingOperations to PaymentsOfDebtExtinguishmentCosts" order="7.0" weight="-1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromOtherEquity" xlink:label="ProceedsFromOtherEquity" xlink:title="ProceedsFromOtherEquity" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xlink:to="ProceedsFromOtherEquity" xlink:title="calculation: NetCashProvidedByUsedInFinancingActivitiesContinuingOperations to ProceedsFromOtherEquity" order="8.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromContributedCapital" xlink:label="ProceedsFromContributedCapital" xlink:title="ProceedsFromContributedCapital" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xlink:to="ProceedsFromContributedCapital" xlink:title="calculation: NetCashProvidedByUsedInFinancingActivitiesContinuingOperations to ProceedsFromContributedCapital" order="9.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsOfDividendsCommonStock" xlink:label="PaymentsOfDividendsCommonStock" xlink:title="PaymentsOfDividendsCommonStock" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xlink:to="PaymentsOfDividendsCommonStock" xlink:title="calculation: NetCashProvidedByUsedInFinancingActivitiesContinuingOperations to PaymentsOfDividendsCommonStock" order="10.0" weight="-1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsOfDistributionsToAffiliates" xlink:label="PaymentsOfDistributionsToAffiliates" xlink:title="PaymentsOfDistributionsToAffiliates" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xlink:to="PaymentsOfDistributionsToAffiliates" xlink:title="calculation: NetCashProvidedByUsedInFinancingActivitiesContinuingOperations to PaymentsOfDistributionsToAffiliates" order="11.0" weight="-1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsToMinorityShareholders" xlink:label="PaymentsToMinorityShareholders" xlink:title="PaymentsToMinorityShareholders" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xlink:to="PaymentsToMinorityShareholders" xlink:title="calculation: NetCashProvidedByUsedInFinancingActivitiesContinuingOperations to PaymentsToMinorityShareholders" order="12.0" weight="-1.0" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInContinuingOperations" xlink:to="NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" xlink:title="calculation: NetCashProvidedByUsedInContinuingOperations to NetCashProvidedByUsedInFinancingActivitiesContinuingOperations" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" xlink:label="NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" xlink:title="NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromSaleOfOilAndGasPropertyAndEquipment" xlink:label="ProceedsFromSaleOfOilAndGasPropertyAndEquipment" xlink:title="ProceedsFromSaleOfOilAndGasPropertyAndEquipment" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" xlink:to="ProceedsFromSaleOfOilAndGasPropertyAndEquipment" xlink:title="calculation: NetCashProvidedByUsedInInvestingActivitiesContinuingOperations to ProceedsFromSaleOfOilAndGasPropertyAndEquipment" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProceedsFromSaleAndCollectionOfNotesReceivable" xlink:label="ProceedsFromSaleAndCollectionOfNotesReceivable" xlink:title="ProceedsFromSaleAndCollectionOfNotesReceivable" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" xlink:to="ProceedsFromSaleAndCollectionOfNotesReceivable" xlink:title="calculation: NetCashProvidedByUsedInInvestingActivitiesContinuingOperations to ProceedsFromSaleAndCollectionOfNotesReceivable" order="2.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsToAcquireOilAndGasProperty" xlink:label="PaymentsToAcquireOilAndGasProperty" xlink:title="PaymentsToAcquireOilAndGasProperty" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" xlink:to="PaymentsToAcquireOilAndGasProperty" xlink:title="calculation: NetCashProvidedByUsedInInvestingActivitiesContinuingOperations to PaymentsToAcquireOilAndGasProperty" order="3.0" weight="-1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsToAcquireOilAndGasEquipment" xlink:label="PaymentsToAcquireOilAndGasEquipment" xlink:title="PaymentsToAcquireOilAndGasEquipment" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" xlink:to="PaymentsToAcquireOilAndGasEquipment" xlink:title="calculation: NetCashProvidedByUsedInInvestingActivitiesContinuingOperations to PaymentsToAcquireOilAndGasEquipment" order="4.0" weight="-1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PaymentsToAcquireEquityMethodInvestments" xlink:label="PaymentsToAcquireEquityMethodInvestments" xlink:title="PaymentsToAcquireEquityMethodInvestments" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" xlink:to="PaymentsToAcquireEquityMethodInvestments" xlink:title="calculation: NetCashProvidedByUsedInInvestingActivitiesContinuingOperations to PaymentsToAcquireEquityMethodInvestments" order="5.0" weight="-1.0" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInContinuingOperations" xlink:to="NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" xlink:title="calculation: NetCashProvidedByUsedInContinuingOperations to NetCashProvidedByUsedInInvestingActivitiesContinuingOperations" order="2.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:label="NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:title="NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProfitLoss" xlink:label="ProfitLoss" xlink:title="ProfitLoss" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:to="ProfitLoss" xlink:title="calculation: NetCashProvidedByUsedInOperatingActivitiesContinuingOperations to ProfitLoss" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax" xlink:label="IncomeLossFromDiscontinuedOperationsNetOfTax" xlink:title="IncomeLossFromDiscontinuedOperationsNetOfTax" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:to="IncomeLossFromDiscontinuedOperationsNetOfTax" xlink:title="calculation: NetCashProvidedByUsedInOperatingActivitiesContinuingOperations to IncomeLossFromDiscontinuedOperationsNetOfTax" order="2.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DepreciationDepletionAndAmortization" xlink:label="DepreciationDepletionAndAmortization" xlink:title="DepreciationDepletionAndAmortization" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:to="DepreciationDepletionAndAmortization" xlink:title="calculation: NetCashProvidedByUsedInOperatingActivitiesContinuingOperations to DepreciationDepletionAndAmortization" order="3.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:label="DeferredIncomeTaxExpenseBenefit" xlink:title="DeferredIncomeTaxExpenseBenefit" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:to="DeferredIncomeTaxExpenseBenefit" xlink:title="calculation: NetCashProvidedByUsedInOperatingActivitiesContinuingOperations to DeferredIncomeTaxExpenseBenefit" order="4.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ExplorationAbandonmentAndImpairmentExpense" xlink:label="ExplorationAbandonmentAndImpairmentExpense" xlink:title="ExplorationAbandonmentAndImpairmentExpense" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:to="ExplorationAbandonmentAndImpairmentExpense" xlink:title="calculation: NetCashProvidedByUsedInOperatingActivitiesContinuingOperations to ExplorationAbandonmentAndImpairmentExpense" order="5.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="ShareBasedCompensation" xlink:title="ShareBasedCompensation" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:to="ShareBasedCompensation" xlink:title="calculation: NetCashProvidedByUsedInOperatingActivitiesContinuingOperations to ShareBasedCompensation" order="6.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AmortizationOfFinancingCostsAndDiscounts" xlink:label="AmortizationOfFinancingCostsAndDiscounts" xlink:title="AmortizationOfFinancingCostsAndDiscounts" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:to="AmortizationOfFinancingCostsAndDiscounts" xlink:title="calculation: NetCashProvidedByUsedInOperatingActivitiesContinuingOperations to AmortizationOfFinancingCostsAndDiscounts" order="7.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherNoncashExpense" xlink:label="OtherNoncashExpense" xlink:title="OtherNoncashExpense" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:to="OtherNoncashExpense" xlink:title="calculation: NetCashProvidedByUsedInOperatingActivitiesContinuingOperations to OtherNoncashExpense" order="8.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GainLossOnDispositionOfAssets" xlink:label="GainLossOnDispositionOfAssets" xlink:title="GainLossOnDispositionOfAssets" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:to="GainLossOnDispositionOfAssets" xlink:title="calculation: NetCashProvidedByUsedInOperatingActivitiesContinuingOperations to GainLossOnDispositionOfAssets" order="9.0" weight="-1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="IncomeLossFromEquityMethodInvestments" xlink:title="IncomeLossFromEquityMethodInvestments" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:to="IncomeLossFromEquityMethodInvestments" xlink:title="calculation: NetCashProvidedByUsedInOperatingActivitiesContinuingOperations to IncomeLossFromEquityMethodInvestments" order="10.0" weight="-1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EquityMethodInvestmentDividendsOrDistributions" xlink:label="EquityMethodInvestmentDividendsOrDistributions" xlink:title="EquityMethodInvestmentDividendsOrDistributions" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:to="EquityMethodInvestmentDividendsOrDistributions" xlink:title="calculation: NetCashProvidedByUsedInOperatingActivitiesContinuingOperations to EquityMethodInvestmentDividendsOrDistributions" order="11.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:label="GainsLossesOnExtinguishmentOfDebt" xlink:title="GainsLossesOnExtinguishmentOfDebt" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:to="GainsLossesOnExtinguishmentOfDebt" xlink:title="calculation: NetCashProvidedByUsedInOperatingActivitiesContinuingOperations to GainsLossesOnExtinguishmentOfDebt" order="12.0" weight="-1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_UnrealizedGainLossOnDerivatives" xlink:label="UnrealizedGainLossOnDerivatives" xlink:title="UnrealizedGainLossOnDerivatives" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:to="UnrealizedGainLossOnDerivatives" xlink:title="calculation: NetCashProvidedByUsedInOperatingActivitiesContinuingOperations to UnrealizedGainLossOnDerivatives" order="13.0" weight="-1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsReceivable" xlink:label="IncreaseDecreaseInAccountsReceivable" xlink:title="IncreaseDecreaseInAccountsReceivable" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:to="IncreaseDecreaseInAccountsReceivable" xlink:title="calculation: NetCashProvidedByUsedInOperatingActivitiesContinuingOperations to IncreaseDecreaseInAccountsReceivable" order="14.0" weight="-1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInInventories" xlink:label="IncreaseDecreaseInInventories" xlink:title="IncreaseDecreaseInInventories" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:to="IncreaseDecreaseInInventories" xlink:title="calculation: NetCashProvidedByUsedInOperatingActivitiesContinuingOperations to IncreaseDecreaseInInventories" order="15.0" weight="-1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInPrepaidExpense" xlink:label="IncreaseDecreaseInPrepaidExpense" xlink:title="IncreaseDecreaseInPrepaidExpense" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:to="IncreaseDecreaseInPrepaidExpense" xlink:title="calculation: NetCashProvidedByUsedInOperatingActivitiesContinuingOperations to IncreaseDecreaseInPrepaidExpense" order="16.0" weight="-1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:label="IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:title="IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:to="IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:title="calculation: NetCashProvidedByUsedInOperatingActivitiesContinuingOperations to IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" order="17.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable" xlink:label="IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable" xlink:title="IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:to="IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable" xlink:title="calculation: NetCashProvidedByUsedInOperatingActivitiesContinuingOperations to IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable" order="18.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet" xlink:label="IncreaseDecreaseInOtherOperatingCapitalNet" xlink:title="IncreaseDecreaseInOtherOperatingCapitalNet" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:to="IncreaseDecreaseInOtherOperatingCapitalNet" xlink:title="calculation: NetCashProvidedByUsedInOperatingActivitiesContinuingOperations to IncreaseDecreaseInOtherOperatingCapitalNet" order="19.0" weight="-1.0" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInContinuingOperations" xlink:to="NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" xlink:title="calculation: NetCashProvidedByUsedInContinuingOperations to NetCashProvidedByUsedInOperatingActivitiesContinuingOperations" order="3.0" weight="1.0" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:to="NetCashProvidedByUsedInContinuingOperations" xlink:title="calculation: CashAndCashEquivalentsPeriodIncreaseDecrease to NetCashProvidedByUsedInContinuingOperations" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetCashProvidedByUsedInDiscontinuedOperations" xlink:label="NetCashProvidedByUsedInDiscontinuedOperations" xlink:title="NetCashProvidedByUsedInDiscontinuedOperations" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations" xlink:label="CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations" xlink:title="CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInDiscontinuedOperations" xlink:to="CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations" xlink:title="calculation: NetCashProvidedByUsedInDiscontinuedOperations to CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations" xlink:label="CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations" xlink:title="CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInDiscontinuedOperations" xlink:to="CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations" xlink:title="calculation: NetCashProvidedByUsedInDiscontinuedOperations to CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations" order="2.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations" xlink:label="CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations" xlink:title="CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetCashProvidedByUsedInDiscontinuedOperations" xlink:to="CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations" xlink:title="calculation: NetCashProvidedByUsedInDiscontinuedOperations to CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations" order="3.0" weight="1.0" />
  </link:calculationLink>
  <link:calculationLink xlink:type="extended" xlink:role="http://qepres.com/role/SummaryOfSignificantAccountingPolicies" />
  <link:calculationLink xlink:type="extended" xlink:role="http://qepres.com/role/SummaryOfSignificantAccountingPoliciesDetails">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="WeightedAverageNumberOfDilutedSharesOutstanding" xlink:title="WeightedAverageNumberOfDilutedSharesOutstanding" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="WeightedAverageNumberOfSharesOutstandingBasic" xlink:title="WeightedAverageNumberOfSharesOutstandingBasic" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="WeightedAverageNumberOfDilutedSharesOutstanding" xlink:to="WeightedAverageNumberOfSharesOutstandingBasic" xlink:title="calculation: WeightedAverageNumberOfDilutedSharesOutstanding to WeightedAverageNumberOfSharesOutstandingBasic" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements" xlink:label="IncrementalCommonSharesAttributableToShareBasedPaymentArrangements" xlink:title="IncrementalCommonSharesAttributableToShareBasedPaymentArrangements" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="WeightedAverageNumberOfDilutedSharesOutstanding" xlink:to="IncrementalCommonSharesAttributableToShareBasedPaymentArrangements" xlink:title="calculation: WeightedAverageNumberOfDilutedSharesOutstanding to IncrementalCommonSharesAttributableToShareBasedPaymentArrangements" order="2.0" weight="1.0" />
  </link:calculationLink>
  <link:calculationLink xlink:type="extended" xlink:role="http://qepres.com/role/SummaryOfSignificantAccountingPoliciesPolicies" />
  <link:calculationLink xlink:type="extended" xlink:role="http://qepres.com/role/SummaryOfSignificantAccountingPoliciesTables" />
  <link:calculationLink xlink:type="extended" xlink:role="http://qepres.com/role/DiscontinuedOperations" />
  <link:calculationLink xlink:type="extended" xlink:role="http://qepres.com/role/DiscontinuedOperationsDetails" />
  <link:calculationLink xlink:type="extended" xlink:role="http://qepres.com/role/DiscontinuedOperationsTables" />
  <link:calculationLink xlink:type="extended" xlink:role="http://qepres.com/role/AssetRetirementObligations" />
  <link:calculationLink xlink:type="extended" xlink:role="http://qepres.com/role/AssetRetirementObligationsDetails" />
  <link:calculationLink xlink:type="extended" xlink:role="http://qepres.com/role/AssetRetirementObligationsTables" />
  <link:calculationLink xlink:type="extended" xlink:role="http://qepres.com/role/AssetRetirementObligationsPolicies" />
  <link:calculationLink xlink:type="extended" xlink:role="http://qepres.com/role/CapitalizedExploratoryWellCosts" />
  <link:calculationLink xlink:type="extended" xlink:role="http://qepres.com/role/CapitalizedExploratoryWellCostsDetails" />
  <link:calculationLink xlink:type="extended" xlink:role="http://qepres.com/role/CapitalizedExploratoryWellCostsTables" />
  <link:calculationLink xlink:type="extended" xlink:role="http://qepres.com/role/FairValueMeasurements" />
  <link:calculationLink xlink:type="extended" xlink:role="http://qepres.com/role/FairValueMeasurementsDetails" />
  <link:calculationLink xlink:type="extended" xlink:role="http://qepres.com/role/FairValueMeasurementsTables" />
  <link:calculationLink xlink:type="extended" xlink:role="http://qepres.com/role/DerivativeContracts" />
  <link:calculationLink xlink:type="extended" xlink:role="http://qepres.com/role/DerivativeContractsDetails" />
  <link:calculationLink xlink:type="extended" xlink:role="http://qepres.com/role/DerivativeContractsTables" />
  <link:calculationLink xlink:type="extended" xlink:role="http://qepres.com/role/Debt" />
  <link:calculationLink xlink:type="extended" xlink:role="http://qepres.com/role/DebtDetails" />
  <link:calculationLink xlink:type="extended" xlink:role="http://qepres.com/role/DebtTables" />
  <link:calculationLink xlink:type="extended" xlink:role="http://qepres.com/role/IncomeTaxes" />
  <link:calculationLink xlink:type="extended" xlink:role="http://qepres.com/role/IncomeTaxesDetails">
    <link:loc xlink:type="locator" xlink:href="qep-20111231.xsd#qep_DeferredTaxAssetsNetOperatingLossAndTaxCreditCarryforwards" xlink:label="DeferredTaxAssetsNetOperatingLossAndTaxCreditCarryforwards" xlink:title="DeferredTaxAssetsNetOperatingLossAndTaxCreditCarryforwards" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingLossCarryforwards" xlink:label="OperatingLossCarryforwards" xlink:title="OperatingLossCarryforwards" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="DeferredTaxAssetsNetOperatingLossAndTaxCreditCarryforwards" xlink:to="OperatingLossCarryforwards" xlink:title="calculation: DeferredTaxAssetsNetOperatingLossAndTaxCreditCarryforwards to OperatingLossCarryforwards" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax" xlink:label="DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax" xlink:title="DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="DeferredTaxAssetsNetOperatingLossAndTaxCreditCarryforwards" xlink:to="DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax" xlink:title="calculation: DeferredTaxAssetsNetOperatingLossAndTaxCreditCarryforwards to DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax" order="2.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxAssetsGross" xlink:label="DeferredTaxAssetsGross" xlink:title="DeferredTaxAssetsGross" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwards" xlink:label="DeferredTaxAssetsOperatingLossCarryforwards" xlink:title="DeferredTaxAssetsOperatingLossCarryforwards" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="DeferredTaxAssetsGross" xlink:to="DeferredTaxAssetsOperatingLossCarryforwards" xlink:title="calculation: DeferredTaxAssetsGross to DeferredTaxAssetsOperatingLossCarryforwards" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxAssetsDerivativeInstruments" xlink:label="DeferredTaxAssetsDerivativeInstruments" xlink:title="DeferredTaxAssetsDerivativeInstruments" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="DeferredTaxAssetsGross" xlink:to="DeferredTaxAssetsDerivativeInstruments" xlink:title="calculation: DeferredTaxAssetsGross to DeferredTaxAssetsDerivativeInstruments" order="2.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits" xlink:label="DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits" xlink:title="DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="DeferredTaxAssetsGross" xlink:to="DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits" xlink:title="calculation: DeferredTaxAssetsGross to DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits" order="3.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxLiabilitiesNoncurrent" xlink:label="DeferredTaxLiabilitiesNoncurrent" xlink:title="DeferredTaxLiabilitiesNoncurrent" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment" xlink:label="DeferredTaxLiabilitiesPropertyPlantAndEquipment" xlink:title="DeferredTaxLiabilitiesPropertyPlantAndEquipment" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="DeferredTaxLiabilitiesNoncurrent" xlink:to="DeferredTaxLiabilitiesPropertyPlantAndEquipment" xlink:title="calculation: DeferredTaxLiabilitiesNoncurrent to DeferredTaxLiabilitiesPropertyPlantAndEquipment" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredTaxLiabilitiesDerivatives" xlink:label="DeferredTaxLiabilitiesDerivatives" xlink:title="DeferredTaxLiabilitiesDerivatives" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="DeferredTaxLiabilitiesNoncurrent" xlink:to="DeferredTaxLiabilitiesDerivatives" xlink:title="calculation: DeferredTaxLiabilitiesNoncurrent to DeferredTaxLiabilitiesDerivatives" order="2.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperations" xlink:label="EffectiveIncomeTaxRateContinuingOperations" xlink:title="EffectiveIncomeTaxRateContinuingOperations" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xlink:label="EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xlink:title="EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="EffectiveIncomeTaxRateContinuingOperations" xlink:to="EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xlink:title="calculation: EffectiveIncomeTaxRateContinuingOperations to EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes" xlink:label="EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes" xlink:title="EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="EffectiveIncomeTaxRateContinuingOperations" xlink:to="EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes" xlink:title="calculation: EffectiveIncomeTaxRateContinuingOperations to EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes" order="2.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther" xlink:label="EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther" xlink:title="EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="EffectiveIncomeTaxRateContinuingOperations" xlink:to="EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther" xlink:title="calculation: EffectiveIncomeTaxRateContinuingOperations to EffectiveIncomeTaxRateReconciliationNondeductibleExpenseOther" order="3.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments" xlink:label="EffectiveIncomeTaxRateReconciliationOtherAdjustments" xlink:title="EffectiveIncomeTaxRateReconciliationOtherAdjustments" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="EffectiveIncomeTaxRateContinuingOperations" xlink:to="EffectiveIncomeTaxRateReconciliationOtherAdjustments" xlink:title="calculation: EffectiveIncomeTaxRateContinuingOperations to EffectiveIncomeTaxRateReconciliationOtherAdjustments" order="4.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeTaxExpenseBenefitContinuingOperations" xlink:label="IncomeTaxExpenseBenefitContinuingOperations" xlink:title="IncomeTaxExpenseBenefitContinuingOperations" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CurrentFederalTaxExpenseBenefit" xlink:label="CurrentFederalTaxExpenseBenefit" xlink:title="CurrentFederalTaxExpenseBenefit" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="IncomeTaxExpenseBenefitContinuingOperations" xlink:to="CurrentFederalTaxExpenseBenefit" xlink:title="calculation: IncomeTaxExpenseBenefitContinuingOperations to CurrentFederalTaxExpenseBenefit" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredFederalIncomeTaxExpenseBenefit" xlink:label="DeferredFederalIncomeTaxExpenseBenefit" xlink:title="DeferredFederalIncomeTaxExpenseBenefit" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="IncomeTaxExpenseBenefitContinuingOperations" xlink:to="DeferredFederalIncomeTaxExpenseBenefit" xlink:title="calculation: IncomeTaxExpenseBenefitContinuingOperations to DeferredFederalIncomeTaxExpenseBenefit" order="2.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CurrentStateAndLocalTaxExpenseBenefit" xlink:label="CurrentStateAndLocalTaxExpenseBenefit" xlink:title="CurrentStateAndLocalTaxExpenseBenefit" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="IncomeTaxExpenseBenefitContinuingOperations" xlink:to="CurrentStateAndLocalTaxExpenseBenefit" xlink:title="calculation: IncomeTaxExpenseBenefitContinuingOperations to CurrentStateAndLocalTaxExpenseBenefit" order="3.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit" xlink:label="DeferredStateAndLocalIncomeTaxExpenseBenefit" xlink:title="DeferredStateAndLocalIncomeTaxExpenseBenefit" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="IncomeTaxExpenseBenefitContinuingOperations" xlink:to="DeferredStateAndLocalIncomeTaxExpenseBenefit" xlink:title="calculation: IncomeTaxExpenseBenefitContinuingOperations to DeferredStateAndLocalIncomeTaxExpenseBenefit" order="4.0" weight="1.0" />
  </link:calculationLink>
  <link:calculationLink xlink:type="extended" xlink:role="http://qepres.com/role/IncomeTaxesTables" />
  <link:calculationLink xlink:type="extended" xlink:role="http://qepres.com/role/CommitmentsAndContingencies" />
  <link:calculationLink xlink:type="extended" xlink:role="http://qepres.com/role/CommitmentsAndContingenciesDetails" />
  <link:calculationLink xlink:type="extended" xlink:role="http://qepres.com/role/CommitmentsAndContingenciesTables" />
  <link:calculationLink xlink:type="extended" xlink:role="http://qepres.com/role/ShareBasedCompensation" />
  <link:calculationLink xlink:type="extended" xlink:role="http://qepres.com/role/ShareBasedCompensationDetails" />
  <link:calculationLink xlink:type="extended" xlink:role="http://qepres.com/role/ShareBasedCompensationTables" />
  <link:calculationLink xlink:type="extended" xlink:role="http://qepres.com/role/EmployeeBenefits" />
  <link:calculationLink xlink:type="extended" xlink:role="http://qepres.com/role/EmployeeBenefitsDetails">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPeriodIncreaseDecrease" xlink:label="OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPeriodIncreaseDecrease" xlink:title="OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPeriodIncreaseDecrease" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeNetGainLossBeforeTax" xlink:label="DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeNetGainLossBeforeTax" xlink:title="DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeNetGainLossBeforeTax" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPeriodIncreaseDecrease" xlink:to="DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeNetGainLossBeforeTax" xlink:title="calculation: OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPeriodIncreaseDecrease to DefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeNetGainLossBeforeTax" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostCreditArisingDuringPeriodBeforeTax" xlink:label="OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostCreditArisingDuringPeriodBeforeTax" xlink:title="OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostCreditArisingDuringPeriodBeforeTax" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPeriodIncreaseDecrease" xlink:to="OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostCreditArisingDuringPeriodBeforeTax" xlink:title="calculation: OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPeriodIncreaseDecrease to OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostCreditArisingDuringPeriodBeforeTax" order="2.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherComprehensiveIncomeAmortizationOfDefinedBenefitPlanNetPriorServiceCostCreditRecognizedInNetPeriodicBenefitCostBeforeTax" xlink:label="OtherComprehensiveIncomeAmortizationOfDefinedBenefitPlanNetPriorServiceCostCreditRecognizedInNetPeriodicBenefitCostBeforeTax" xlink:title="OtherComprehensiveIncomeAmortizationOfDefinedBenefitPlanNetPriorServiceCostCreditRecognizedInNetPeriodicBenefitCostBeforeTax" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPeriodIncreaseDecrease" xlink:to="OtherComprehensiveIncomeAmortizationOfDefinedBenefitPlanNetPriorServiceCostCreditRecognizedInNetPeriodicBenefitCostBeforeTax" xlink:title="calculation: OtherComprehensiveIncomeDefinedBenefitPlansAdjustmentBeforeTaxPeriodIncreaseDecrease to OtherComprehensiveIncomeAmortizationOfDefinedBenefitPlanNetPriorServiceCostCreditRecognizedInNetPeriodicBenefitCostBeforeTax" order="3.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost" xlink:label="DefinedBenefitPlanNetPeriodicBenefitCost" xlink:title="DefinedBenefitPlanNetPeriodicBenefitCost" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanServiceCost" xlink:label="DefinedBenefitPlanServiceCost" xlink:title="DefinedBenefitPlanServiceCost" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="DefinedBenefitPlanNetPeriodicBenefitCost" xlink:to="DefinedBenefitPlanServiceCost" xlink:title="calculation: DefinedBenefitPlanNetPeriodicBenefitCost to DefinedBenefitPlanServiceCost" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanInterestCost" xlink:label="DefinedBenefitPlanInterestCost" xlink:title="DefinedBenefitPlanInterestCost" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="DefinedBenefitPlanNetPeriodicBenefitCost" xlink:to="DefinedBenefitPlanInterestCost" xlink:title="calculation: DefinedBenefitPlanNetPeriodicBenefitCost to DefinedBenefitPlanInterestCost" order="2.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets" xlink:label="DefinedBenefitPlanExpectedReturnOnPlanAssets" xlink:title="DefinedBenefitPlanExpectedReturnOnPlanAssets" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="DefinedBenefitPlanNetPeriodicBenefitCost" xlink:to="DefinedBenefitPlanExpectedReturnOnPlanAssets" xlink:title="calculation: DefinedBenefitPlanNetPeriodicBenefitCost to DefinedBenefitPlanExpectedReturnOnPlanAssets" order="3.0" weight="-1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit" xlink:label="DefinedBenefitPlanAmortizationOfPriorServiceCostCredit" xlink:title="DefinedBenefitPlanAmortizationOfPriorServiceCostCredit" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="DefinedBenefitPlanNetPeriodicBenefitCost" xlink:to="DefinedBenefitPlanAmortizationOfPriorServiceCostCredit" xlink:title="calculation: DefinedBenefitPlanNetPeriodicBenefitCost to DefinedBenefitPlanAmortizationOfPriorServiceCostCredit" order="4.0" weight="1.0" />
  </link:calculationLink>
  <link:calculationLink xlink:type="extended" xlink:role="http://qepres.com/role/EmployeeBenefitsTables" />
  <link:calculationLink xlink:type="extended" xlink:role="http://qepres.com/role/OperationsByLineOfBusiness" />
  <link:calculationLink xlink:type="extended" xlink:role="http://qepres.com/role/OperationsByLineOfBusinessDetails">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="NetIncomeLoss" xlink:title="NetIncomeLoss" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest" xlink:label="IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest" xlink:title="IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestIncomeOperating" xlink:label="InterestIncomeOperating" xlink:title="InterestIncomeOperating" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest" xlink:to="InterestIncomeOperating" xlink:title="calculation: IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest to InterestIncomeOperating" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeLossFromEquityMethodInvestments" xlink:label="IncomeLossFromEquityMethodInvestments" xlink:title="IncomeLossFromEquityMethodInvestments" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest" xlink:to="IncomeLossFromEquityMethodInvestments" xlink:title="calculation: IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest to IncomeLossFromEquityMethodInvestments" order="2.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:label="GainsLossesOnExtinguishmentOfDebt" xlink:title="GainsLossesOnExtinguishmentOfDebt" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest" xlink:to="GainsLossesOnExtinguishmentOfDebt" xlink:title="calculation: IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest to GainsLossesOnExtinguishmentOfDebt" order="3.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_InterestExpense" xlink:label="InterestExpense" xlink:title="InterestExpense" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest" xlink:to="InterestExpense" xlink:title="calculation: IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest to InterestExpense" order="4.0" weight="-1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="IncomeTaxExpenseBenefit" xlink:title="IncomeTaxExpenseBenefit" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest" xlink:to="IncomeTaxExpenseBenefit" xlink:title="calculation: IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest to IncomeTaxExpenseBenefit" order="5.0" weight="-1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="OperatingIncomeLoss" xlink:title="OperatingIncomeLoss" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OilAndGasRevenue" xlink:label="OilAndGasRevenue" xlink:title="OilAndGasRevenue" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RevenuesFromExternalCustomers" xlink:label="RevenuesFromExternalCustomers" xlink:title="RevenuesFromExternalCustomers" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="OilAndGasRevenue" xlink:to="RevenuesFromExternalCustomers" xlink:title="calculation: OilAndGasRevenue to RevenuesFromExternalCustomers" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RevenuesFromTransactionsWithOtherOperatingSegmentsOfSameEntity" xlink:label="RevenuesFromTransactionsWithOtherOperatingSegmentsOfSameEntity" xlink:title="RevenuesFromTransactionsWithOtherOperatingSegmentsOfSameEntity" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="OilAndGasRevenue" xlink:to="RevenuesFromTransactionsWithOtherOperatingSegmentsOfSameEntity" xlink:title="calculation: OilAndGasRevenue to RevenuesFromTransactionsWithOtherOperatingSegmentsOfSameEntity" order="2.0" weight="1.0" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="OperatingIncomeLoss" xlink:to="OilAndGasRevenue" xlink:title="calculation: OperatingIncomeLoss to OilAndGasRevenue" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GainLossOnSaleOfPropertyPlantEquipment" xlink:label="GainLossOnSaleOfPropertyPlantEquipment" xlink:title="GainLossOnSaleOfPropertyPlantEquipment" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="OperatingIncomeLoss" xlink:to="GainLossOnSaleOfPropertyPlantEquipment" xlink:title="calculation: OperatingIncomeLoss to GainLossOnSaleOfPropertyPlantEquipment" order="2.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OperatingExpenses" xlink:label="OperatingExpenses" xlink:title="OperatingExpenses" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RefiningAndMarketingCosts" xlink:label="RefiningAndMarketingCosts" xlink:title="RefiningAndMarketingCosts" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="OperatingExpenses" xlink:to="RefiningAndMarketingCosts" xlink:title="calculation: OperatingExpenses to RefiningAndMarketingCosts" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_LeaseOperatingExpense" xlink:label="LeaseOperatingExpense" xlink:title="LeaseOperatingExpense" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="OperatingExpenses" xlink:to="LeaseOperatingExpense" xlink:title="calculation: OperatingExpenses to LeaseOperatingExpense" order="2.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GeneralAndAdministrativeExpense" xlink:label="GeneralAndAdministrativeExpense" xlink:title="GeneralAndAdministrativeExpense" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="OperatingExpenses" xlink:to="GeneralAndAdministrativeExpense" xlink:title="calculation: OperatingExpenses to GeneralAndAdministrativeExpense" order="3.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherNonrecurringExpense" xlink:label="OtherNonrecurringExpense" xlink:title="OtherNonrecurringExpense" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="OperatingExpenses" xlink:to="OtherNonrecurringExpense" xlink:title="calculation: OperatingExpenses to OtherNonrecurringExpense" order="4.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ProductionTaxExpense" xlink:label="ProductionTaxExpense" xlink:title="ProductionTaxExpense" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="OperatingExpenses" xlink:to="ProductionTaxExpense" xlink:title="calculation: OperatingExpenses to ProductionTaxExpense" order="5.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DepreciationAndAmortization" xlink:label="DepreciationAndAmortization" xlink:title="DepreciationAndAmortization" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="OperatingExpenses" xlink:to="DepreciationAndAmortization" xlink:title="calculation: OperatingExpenses to DepreciationAndAmortization" order="6.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_OtherCostAndExpenseOperating" xlink:label="OtherCostAndExpenseOperating" xlink:title="OtherCostAndExpenseOperating" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="OperatingExpenses" xlink:to="OtherCostAndExpenseOperating" xlink:title="calculation: OperatingExpenses to OtherCostAndExpenseOperating" order="7.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_GasGatheringTransportationMarketingAndProcessingCosts" xlink:label="GasGatheringTransportationMarketingAndProcessingCosts" xlink:title="GasGatheringTransportationMarketingAndProcessingCosts" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="OperatingExpenses" xlink:to="GasGatheringTransportationMarketingAndProcessingCosts" xlink:title="calculation: OperatingExpenses to GasGatheringTransportationMarketingAndProcessingCosts" order="8.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ShippingHandlingAndTransportationCosts" xlink:label="ShippingHandlingAndTransportationCosts" xlink:title="ShippingHandlingAndTransportationCosts" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="OperatingExpenses" xlink:to="ShippingHandlingAndTransportationCosts" xlink:title="calculation: OperatingExpenses to ShippingHandlingAndTransportationCosts" order="9.0" weight="1.0" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="OperatingIncomeLoss" xlink:to="OperatingExpenses" xlink:title="calculation: OperatingIncomeLoss to OperatingExpenses" order="3.0" weight="-1.0" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest" xlink:to="OperatingIncomeLoss" xlink:title="calculation: IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest to OperatingIncomeLoss" order="6.0" weight="1.0" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetIncomeLoss" xlink:to="IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest" xlink:title="calculation: NetIncomeLoss to IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:label="NetIncomeLossAttributableToNoncontrollingInterest" xlink:title="NetIncomeLossAttributableToNoncontrollingInterest" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="NetIncomeLoss" xlink:to="NetIncomeLossAttributableToNoncontrollingInterest" xlink:title="calculation: NetIncomeLoss to NetIncomeLossAttributableToNoncontrollingInterest" order="2.0" weight="-1.0" />
  </link:calculationLink>
  <link:calculationLink xlink:type="extended" xlink:role="http://qepres.com/role/OperationsByLineOfBusinessTables" />
  <link:calculationLink xlink:type="extended" xlink:role="http://qepres.com/role/QuarterlyFinancialInformationUnaudited" />
  <link:calculationLink xlink:type="extended" xlink:role="http://qepres.com/role/QuarterlyFinancialInformationUnauditedDetails" />
  <link:calculationLink xlink:type="extended" xlink:role="http://qepres.com/role/QuarterlyFinancialInformationUnauditedTables" />
  <link:calculationLink xlink:type="extended" xlink:role="http://qepres.com/role/SupplementalGasAndOilInformationUnaudited" />
  <link:calculationLink xlink:type="extended" xlink:role="http://qepres.com/role/SupplementalGasAndOilInformationUnauditedDetails">
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StandardizedMeasureOfDiscountedFutureNetCashFlowOfProvedOilAndGasReservesPeriodIncreaseDecrease" xlink:label="StandardizedMeasureOfDiscountedFutureNetCashFlowOfProvedOilAndGasReservesPeriodIncreaseDecrease" xlink:title="StandardizedMeasureOfDiscountedFutureNetCashFlowOfProvedOilAndGasReservesPeriodIncreaseDecrease" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_SalesAndTransfersOfOilAndGasProducedNetOfProductionCosts" xlink:label="SalesAndTransfersOfOilAndGasProducedNetOfProductionCosts" xlink:title="SalesAndTransfersOfOilAndGasProducedNetOfProductionCosts" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="StandardizedMeasureOfDiscountedFutureNetCashFlowOfProvedOilAndGasReservesPeriodIncreaseDecrease" xlink:to="SalesAndTransfersOfOilAndGasProducedNetOfProductionCosts" xlink:title="calculation: StandardizedMeasureOfDiscountedFutureNetCashFlowOfProvedOilAndGasReservesPeriodIncreaseDecrease to SalesAndTransfersOfOilAndGasProducedNetOfProductionCosts" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_NetIncreaseDecreaseInSalesAndTransferPricesAndProductionCosts" xlink:label="NetIncreaseDecreaseInSalesAndTransferPricesAndProductionCosts" xlink:title="NetIncreaseDecreaseInSalesAndTransferPricesAndProductionCosts" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="StandardizedMeasureOfDiscountedFutureNetCashFlowOfProvedOilAndGasReservesPeriodIncreaseDecrease" xlink:to="NetIncreaseDecreaseInSalesAndTransferPricesAndProductionCosts" xlink:title="calculation: StandardizedMeasureOfDiscountedFutureNetCashFlowOfProvedOilAndGasReservesPeriodIncreaseDecrease to NetIncreaseDecreaseInSalesAndTransferPricesAndProductionCosts" order="2.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ExtensionsDiscoveriesAdditionsAndImprovedRecoveryLessRelatedCosts" xlink:label="ExtensionsDiscoveriesAdditionsAndImprovedRecoveryLessRelatedCosts" xlink:title="ExtensionsDiscoveriesAdditionsAndImprovedRecoveryLessRelatedCosts" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="StandardizedMeasureOfDiscountedFutureNetCashFlowOfProvedOilAndGasReservesPeriodIncreaseDecrease" xlink:to="ExtensionsDiscoveriesAdditionsAndImprovedRecoveryLessRelatedCosts" xlink:title="calculation: StandardizedMeasureOfDiscountedFutureNetCashFlowOfProvedOilAndGasReservesPeriodIncreaseDecrease to ExtensionsDiscoveriesAdditionsAndImprovedRecoveryLessRelatedCosts" order="3.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_RevisionsOfPreviousQuantityEstimates" xlink:label="RevisionsOfPreviousQuantityEstimates" xlink:title="RevisionsOfPreviousQuantityEstimates" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="StandardizedMeasureOfDiscountedFutureNetCashFlowOfProvedOilAndGasReservesPeriodIncreaseDecrease" xlink:to="RevisionsOfPreviousQuantityEstimates" xlink:title="calculation: StandardizedMeasureOfDiscountedFutureNetCashFlowOfProvedOilAndGasReservesPeriodIncreaseDecrease to RevisionsOfPreviousQuantityEstimates" order="4.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="qep-20111231.xsd#qep_NetChangeDueToPurchasesAndSalesOfReservesInPlace" xlink:label="NetChangeDueToPurchasesAndSalesOfReservesInPlace" xlink:title="NetChangeDueToPurchasesAndSalesOfReservesInPlace" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="StandardizedMeasureOfDiscountedFutureNetCashFlowOfProvedOilAndGasReservesPeriodIncreaseDecrease" xlink:to="NetChangeDueToPurchasesAndSalesOfReservesInPlace" xlink:title="calculation: StandardizedMeasureOfDiscountedFutureNetCashFlowOfProvedOilAndGasReservesPeriodIncreaseDecrease to NetChangeDueToPurchasesAndSalesOfReservesInPlace" order="5.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_PreviouslyEstimatedDevelopmentCostsIncurredDuringPeriod" xlink:label="PreviouslyEstimatedDevelopmentCostsIncurredDuringPeriod" xlink:title="PreviouslyEstimatedDevelopmentCostsIncurredDuringPeriod" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="StandardizedMeasureOfDiscountedFutureNetCashFlowOfProvedOilAndGasReservesPeriodIncreaseDecrease" xlink:to="PreviouslyEstimatedDevelopmentCostsIncurredDuringPeriod" xlink:title="calculation: StandardizedMeasureOfDiscountedFutureNetCashFlowOfProvedOilAndGasReservesPeriodIncreaseDecrease to PreviouslyEstimatedDevelopmentCostsIncurredDuringPeriod" order="6.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInEstimatedFutureDevelopmentCosts" xlink:label="IncreaseDecreaseInEstimatedFutureDevelopmentCosts" xlink:title="IncreaseDecreaseInEstimatedFutureDevelopmentCosts" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="StandardizedMeasureOfDiscountedFutureNetCashFlowOfProvedOilAndGasReservesPeriodIncreaseDecrease" xlink:to="IncreaseDecreaseInEstimatedFutureDevelopmentCosts" xlink:title="calculation: StandardizedMeasureOfDiscountedFutureNetCashFlowOfProvedOilAndGasReservesPeriodIncreaseDecrease to IncreaseDecreaseInEstimatedFutureDevelopmentCosts" order="7.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_AccretionOfDiscount" xlink:label="AccretionOfDiscount" xlink:title="AccretionOfDiscount" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="StandardizedMeasureOfDiscountedFutureNetCashFlowOfProvedOilAndGasReservesPeriodIncreaseDecrease" xlink:to="AccretionOfDiscount" xlink:title="calculation: StandardizedMeasureOfDiscountedFutureNetCashFlowOfProvedOilAndGasReservesPeriodIncreaseDecrease to AccretionOfDiscount" order="8.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_IncreaseDecreaseInFutureIncomeTaxExpenseEstimatesOnFutureCashFlowsRelatedToProvedOilAndGasReserves" xlink:label="IncreaseDecreaseInFutureIncomeTaxExpenseEstimatesOnFutureCashFlowsRelatedToProvedOilAndGasReserves" xlink:title="IncreaseDecreaseInFutureIncomeTaxExpenseEstimatesOnFutureCashFlowsRelatedToProvedOilAndGasReserves" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="StandardizedMeasureOfDiscountedFutureNetCashFlowOfProvedOilAndGasReservesPeriodIncreaseDecrease" xlink:to="IncreaseDecreaseInFutureIncomeTaxExpenseEstimatesOnFutureCashFlowsRelatedToProvedOilAndGasReserves" xlink:title="calculation: StandardizedMeasureOfDiscountedFutureNetCashFlowOfProvedOilAndGasReservesPeriodIncreaseDecrease to IncreaseDecreaseInFutureIncomeTaxExpenseEstimatesOnFutureCashFlowsRelatedToProvedOilAndGasReserves" order="9.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_StandardizedMeasureOfDiscountedFutureNetCashFlowOfProvedOilAndGasReservesOther" xlink:label="StandardizedMeasureOfDiscountedFutureNetCashFlowOfProvedOilAndGasReservesOther" xlink:title="StandardizedMeasureOfDiscountedFutureNetCashFlowOfProvedOilAndGasReservesOther" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="StandardizedMeasureOfDiscountedFutureNetCashFlowOfProvedOilAndGasReservesPeriodIncreaseDecrease" xlink:to="StandardizedMeasureOfDiscountedFutureNetCashFlowOfProvedOilAndGasReservesOther" xlink:title="calculation: StandardizedMeasureOfDiscountedFutureNetCashFlowOfProvedOilAndGasReservesPeriodIncreaseDecrease to StandardizedMeasureOfDiscountedFutureNetCashFlowOfProvedOilAndGasReservesOther" order="10.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReservesStandardizedMeasure" xlink:label="DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReservesStandardizedMeasure" xlink:title="DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReservesStandardizedMeasure" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReservesFutureNetCashFlows" xlink:label="DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReservesFutureNetCashFlows" xlink:title="DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReservesFutureNetCashFlows" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReservesFutureProductionCosts" xlink:label="DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReservesFutureProductionCosts" xlink:title="DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReservesFutureProductionCosts" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReservesFutureNetCashFlows" xlink:to="DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReservesFutureProductionCosts" xlink:title="calculation: DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReservesFutureNetCashFlows to DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReservesFutureProductionCosts" order="1.0" weight="-1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReservesFutureDevelopmentCosts" xlink:label="DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReservesFutureDevelopmentCosts" xlink:title="DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReservesFutureDevelopmentCosts" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReservesFutureNetCashFlows" xlink:to="DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReservesFutureDevelopmentCosts" xlink:title="calculation: DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReservesFutureNetCashFlows to DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReservesFutureDevelopmentCosts" order="2.0" weight="-1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReservesFutureIncomeTaxExpense" xlink:label="DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReservesFutureIncomeTaxExpense" xlink:title="DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReservesFutureIncomeTaxExpense" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReservesFutureNetCashFlows" xlink:to="DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReservesFutureIncomeTaxExpense" xlink:title="calculation: DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReservesFutureNetCashFlows to DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReservesFutureIncomeTaxExpense" order="3.0" weight="-1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReservesFutureCashInflows" xlink:label="DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReservesFutureCashInflows" xlink:title="DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReservesFutureCashInflows" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReservesFutureNetCashFlows" xlink:to="DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReservesFutureCashInflows" xlink:title="calculation: DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReservesFutureNetCashFlows to DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReservesFutureCashInflows" order="4.0" weight="1.0" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReservesStandardizedMeasure" xlink:to="DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReservesFutureNetCashFlows" xlink:title="calculation: DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReservesStandardizedMeasure to DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReservesFutureNetCashFlows" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves10PercentAnnualDiscountForEstimatedTimingOfCashFlows" xlink:label="DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves10PercentAnnualDiscountForEstimatedTimingOfCashFlows" xlink:title="DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves10PercentAnnualDiscountForEstimatedTimingOfCashFlows" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReservesStandardizedMeasure" xlink:to="DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves10PercentAnnualDiscountForEstimatedTimingOfCashFlows" xlink:title="calculation: DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReservesStandardizedMeasure to DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves10PercentAnnualDiscountForEstimatedTimingOfCashFlows" order="2.0" weight="-1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ResultsOfOperationsOilAndGasProducingActivitiesNetIncomeExcludingCorporateOverheadAndInterestCosts" xlink:label="ResultsOfOperationsOilAndGasProducingActivitiesNetIncomeExcludingCorporateOverheadAndInterestCosts" xlink:title="ResultsOfOperationsOilAndGasProducingActivitiesNetIncomeExcludingCorporateOverheadAndInterestCosts" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ResultsOfOperationsIncomeBeforeIncomeTaxes" xlink:label="ResultsOfOperationsIncomeBeforeIncomeTaxes" xlink:title="ResultsOfOperationsIncomeBeforeIncomeTaxes" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ResultsOfOperationsOilAndGasProducingActivitiesNetIncomeExcludingCorporateOverheadAndInterestCosts" xlink:to="ResultsOfOperationsIncomeBeforeIncomeTaxes" xlink:title="calculation: ResultsOfOperationsOilAndGasProducingActivitiesNetIncomeExcludingCorporateOverheadAndInterestCosts to ResultsOfOperationsIncomeBeforeIncomeTaxes" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ResultsOfOperationsIncomeTaxExpense" xlink:label="ResultsOfOperationsIncomeTaxExpense" xlink:title="ResultsOfOperationsIncomeTaxExpense" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ResultsOfOperationsOilAndGasProducingActivitiesNetIncomeExcludingCorporateOverheadAndInterestCosts" xlink:to="ResultsOfOperationsIncomeTaxExpense" xlink:title="calculation: ResultsOfOperationsOilAndGasProducingActivitiesNetIncomeExcludingCorporateOverheadAndInterestCosts to ResultsOfOperationsIncomeTaxExpense" order="2.0" weight="-1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ResultsOfOperationsExpenseFromOilAndGasProducingActivities" xlink:label="ResultsOfOperationsExpenseFromOilAndGasProducingActivities" xlink:title="ResultsOfOperationsExpenseFromOilAndGasProducingActivities" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ResultsOfOperationsProductionOrLiftingCosts" xlink:label="ResultsOfOperationsProductionOrLiftingCosts" xlink:title="ResultsOfOperationsProductionOrLiftingCosts" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ResultsOfOperationsExpenseFromOilAndGasProducingActivities" xlink:to="ResultsOfOperationsProductionOrLiftingCosts" xlink:title="calculation: ResultsOfOperationsExpenseFromOilAndGasProducingActivities to ResultsOfOperationsProductionOrLiftingCosts" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ResultsOfOperationsExplorationExpense" xlink:label="ResultsOfOperationsExplorationExpense" xlink:title="ResultsOfOperationsExplorationExpense" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ResultsOfOperationsExpenseFromOilAndGasProducingActivities" xlink:to="ResultsOfOperationsExplorationExpense" xlink:title="calculation: ResultsOfOperationsExpenseFromOilAndGasProducingActivities to ResultsOfOperationsExplorationExpense" order="2.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ResultsOfOperationsDepreciationDepletionAndAmortizationAndValuationProvisions" xlink:label="ResultsOfOperationsDepreciationDepletionAndAmortizationAndValuationProvisions" xlink:title="ResultsOfOperationsDepreciationDepletionAndAmortizationAndValuationProvisions" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ResultsOfOperationsExpenseFromOilAndGasProducingActivities" xlink:to="ResultsOfOperationsDepreciationDepletionAndAmortizationAndValuationProvisions" xlink:title="calculation: ResultsOfOperationsExpenseFromOilAndGasProducingActivities to ResultsOfOperationsDepreciationDepletionAndAmortizationAndValuationProvisions" order="3.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_ResultsOfOperationsImpairmentOfOilAndGasProperties" xlink:label="ResultsOfOperationsImpairmentOfOilAndGasProperties" xlink:title="ResultsOfOperationsImpairmentOfOilAndGasProperties" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="ResultsOfOperationsExpenseFromOilAndGasProducingActivities" xlink:to="ResultsOfOperationsImpairmentOfOilAndGasProperties" xlink:title="calculation: ResultsOfOperationsExpenseFromOilAndGasProducingActivities to ResultsOfOperationsImpairmentOfOilAndGasProperties" order="4.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CostsIncurredAcquisitionOfOilAndGasProperties" xlink:label="CostsIncurredAcquisitionOfOilAndGasProperties" xlink:title="CostsIncurredAcquisitionOfOilAndGasProperties" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CostsIncurredAcquisitionOfUnprovedOilAndGasProperties" xlink:label="CostsIncurredAcquisitionOfUnprovedOilAndGasProperties" xlink:title="CostsIncurredAcquisitionOfUnprovedOilAndGasProperties" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="CostsIncurredAcquisitionOfOilAndGasProperties" xlink:to="CostsIncurredAcquisitionOfUnprovedOilAndGasProperties" xlink:title="calculation: CostsIncurredAcquisitionOfOilAndGasProperties to CostsIncurredAcquisitionOfUnprovedOilAndGasProperties" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CostsIncurredAcquisitionOfOilAndGasPropertiesWithProvedReserves" xlink:label="CostsIncurredAcquisitionOfOilAndGasPropertiesWithProvedReserves" xlink:title="CostsIncurredAcquisitionOfOilAndGasPropertiesWithProvedReserves" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="CostsIncurredAcquisitionOfOilAndGasProperties" xlink:to="CostsIncurredAcquisitionOfOilAndGasPropertiesWithProvedReserves" xlink:title="calculation: CostsIncurredAcquisitionOfOilAndGasProperties to CostsIncurredAcquisitionOfOilAndGasPropertiesWithProvedReserves" order="2.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CostsIncurredExplorationCosts" xlink:label="CostsIncurredExplorationCosts" xlink:title="CostsIncurredExplorationCosts" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="CostsIncurredAcquisitionOfOilAndGasProperties" xlink:to="CostsIncurredExplorationCosts" xlink:title="calculation: CostsIncurredAcquisitionOfOilAndGasProperties to CostsIncurredExplorationCosts" order="3.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CostsIncurredDevelopmentCosts" xlink:label="CostsIncurredDevelopmentCosts" xlink:title="CostsIncurredDevelopmentCosts" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="CostsIncurredAcquisitionOfOilAndGasProperties" xlink:to="CostsIncurredDevelopmentCosts" xlink:title="calculation: CostsIncurredAcquisitionOfOilAndGasProperties to CostsIncurredDevelopmentCosts" order="4.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CapitalizedCostsOilAndGasProducingActivitiesNet" xlink:label="CapitalizedCostsOilAndGasProducingActivitiesNet" xlink:title="CapitalizedCostsOilAndGasProducingActivitiesNet" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CapitalizedCostsOilAndGasProducingActivitiesGross" xlink:label="CapitalizedCostsOilAndGasProducingActivitiesGross" xlink:title="CapitalizedCostsOilAndGasProducingActivitiesGross" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CapitalizedCostsUnprovedProperties" xlink:label="CapitalizedCostsUnprovedProperties" xlink:title="CapitalizedCostsUnprovedProperties" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="CapitalizedCostsOilAndGasProducingActivitiesGross" xlink:to="CapitalizedCostsUnprovedProperties" xlink:title="calculation: CapitalizedCostsOilAndGasProducingActivitiesGross to CapitalizedCostsUnprovedProperties" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CapitalizedCostsProvedProperties" xlink:label="CapitalizedCostsProvedProperties" xlink:title="CapitalizedCostsProvedProperties" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="CapitalizedCostsOilAndGasProducingActivitiesGross" xlink:to="CapitalizedCostsProvedProperties" xlink:title="calculation: CapitalizedCostsOilAndGasProducingActivitiesGross to CapitalizedCostsProvedProperties" order="2.0" weight="1.0" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="CapitalizedCostsOilAndGasProducingActivitiesNet" xlink:to="CapitalizedCostsOilAndGasProducingActivitiesGross" xlink:title="calculation: CapitalizedCostsOilAndGasProducingActivitiesNet to CapitalizedCostsOilAndGasProducingActivitiesGross" order="1.0" weight="1.0" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2011/elts/us-gaap-2011-01-31.xsd#us-gaap_CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities" xlink:label="CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities" xlink:title="CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities" />
    <link:calculationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="CapitalizedCostsOilAndGasProducingActivitiesNet" xlink:to="CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities" xlink:title="calculation: CapitalizedCostsOilAndGasProducingActivitiesNet to CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities" order="2.0" weight="-1.0" />
  </link:calculationLink>
  <link:calculationLink xlink:type="extended" xlink:role="http://qepres.com/role/SupplementalGasAndOilInformationUnauditedTables" />
  <link:calculationLink xlink:type="extended" xlink:role="http://qepres.com/role/ScheduleOfValuationAndQualifyingAccounts" />
  <link:calculationLink xlink:type="extended" xlink:role="http://qepres.com/role/ScheduleOfValuationAndQualifyingAccountsDetails" />
  <link:calculationLink xlink:type="extended" xlink:role="http://qepres.com/role/DocumentAndEntityInformation" />
</link:linkbase>