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  <xsd:element id="pdce_ChangesInUnrealizedGainsLossesRelatingToAssetsLiabilitiesStillHeldAsOfPeriodEndIncludedInStatementOfOperationsLineItem" name="ChangesInUnrealizedGainsLossesRelatingToAssetsLiabilitiesStillHeldAsOfPeriodEndIncludedInStatementOfOperationsLineItem" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_ColumbiaMember" name="ColumbiaMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_Combinedfederalandstatedeferredtaxrate" name="Combinedfederalandstatedeferredtaxrate" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_Commitments5YearsAndBeyondMember" name="Commitments5YearsAndBeyondMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_CommitmentsandContingenciesCleanAirActAbstract" name="CommitmentsandContingenciesCleanAirActAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_CommitmentsandContingenciesNewPlantAbstract" name="CommitmentsandContingenciesNewPlantAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_CommittedBarrelsofCrudeOilperday" name="CommittedBarrelsofCrudeOilperday" nillable="true" substitutionGroup="xbrli:item" type="num:volumeItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_CommodityPriceRiskManagementNetMember" name="CommodityPriceRiskManagementNetMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_CommodityTypeAxis" name="CommodityTypeAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_CommodityTypeDomain" name="CommodityTypeDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_CommonStockAbstract" name="CommonStockAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_CommonStockSharesRemainAvaliableForIssuance" name="CommonStockSharesRemainAvaliableForIssuance" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="pdce_ConcordEnergyMember" name="ConcordEnergyMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_CondensedConsolidatedStatementsOfCashFlowsAbstract" name="CondensedConsolidatedStatementsOfCashFlowsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_CondensedConsolidatedStatementsOfOperationsAbstract" name="CondensedConsolidatedStatementsOfOperationsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_ConsolidatedBalanceSheetsAbstract" name="ConsolidatedBalanceSheetsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_ContinuingOperationsAbstract" name="ContinuingOperationsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_ConvertibleNotePrincipalAmount" name="ConvertibleNotePrincipalAmount" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="pdce_ConvertibleSeniorNoteSharesIssuedUponConversion" name="ConvertibleSeniorNoteSharesIssuedUponConversion" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="instant" />
  <xsd:element id="pdce_CostIncurredToConvertPudsToPdnp" name="CostIncurredToConvertPudsToPdnp" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="pdce_CostIncurredforOilandGasProperties" name="CostIncurredforOilandGasProperties" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_CostIncurredforOilandGasPropertiesAxis" name="CostIncurredforOilandGasPropertiesAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_CostIncurredforOilandGasPropertiesDomain" name="CostIncurredforOilandGasPropertiesDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_CostIncurredtoConvertPUDstoPDNPInfrastructureAndPipelineCosts" name="CostIncurredtoConvertPUDstoPDNPInfrastructureAndPipelineCosts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_CostsIncurredInNaturalGasAndCrudeOilPropertyAcquisitionExplorationAndDevelopmentActivitiesUnaditedAbstract" name="CostsIncurredInNaturalGasAndCrudeOilPropertyAcquisitionExplorationAndDevelopmentActivitiesUnaditedAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_CrudeOilEquivalentMember" name="CrudeOilEquivalentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_CurrentAssetsMember" name="CurrentAssetsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_CurrentLiabilitiesMember" name="CurrentLiabilitiesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_DcpMidstreamLpMember" name="DcpMidstreamLpMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_DeferredCompensationPlanSharesChangeDuringPeriod" name="DeferredCompensationPlanSharesChangeDuringPeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_DeferredCompensationPlanValueChangeDuringthePeriod" name="DeferredCompensationPlanValueChangeDuringthePeriod" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="pdce_DeferredIncomeTaxFromContinuingOperations" name="DeferredIncomeTaxFromContinuingOperations" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="pdce_DeferredTaxAssetsAssetRetirementObligations" name="DeferredTaxAssetsAssetRetirementObligations" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="pdce_Deferredtaxassetoperatinglosscarryforwardannuallimitation" name="Deferredtaxassetoperatinglosscarryforwardannuallimitation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="pdce_Deferredtaxassetsfederaltax" name="Deferredtaxassetsfederaltax" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="pdce_DelawareBasinAcquisitionMember" name="DelawareBasinAcquisitionMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_DelawareBasinImpairment_Q4" name="DelawareBasinImpairment_Q4" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_DelawareBasinMember" name="DelawareBasinMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_DelawareBasinUnprovedPropertyImpairment" name="DelawareBasinUnprovedPropertyImpairment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_DelawareBasinWattenbergFieldMember" name="DelawareBasinWattenbergFieldMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_DepreciationDepletionAndAmortizationFromContinuingOperations" name="DepreciationDepletionAndAmortizationFromContinuingOperations" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_DerivativeCounterpartiesMemberMember" name="DerivativeCounterpartiesMemberMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_DerivativeFinancialInstrumentNetAssetsMember" name="DerivativeFinancialInstrumentNetAssetsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_DiscontinuedOperationsAbstract" name="DiscontinuedOperationsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_DocumentAndEntityInformationAbstract" name="DocumentAndEntityInformationAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_DocumentInformationAbstract" name="DocumentInformationAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_DominionSouthMember" name="DominionSouthMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_EstimatedPUDconversionrateforfollowingyear" name="EstimatedPUDconversionrateforfollowingyear" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_ExploratoryDrilling" name="ExploratoryDrilling" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="pdce_Exploratoryoperatingcosts" name="Exploratoryoperatingcosts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="pdce_FVCommodityDerivativesAssetsmeasuredwithLevel3" name="FVCommodityDerivativesAssetsmeasuredwithLevel3" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="pdce_FVCommodityDerivativesLiabilitiesmeasuredwithLevel3" name="FVCommodityDerivativesLiabilitiesmeasuredwithLevel3" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="pdce_FairValueAssetsAndLiabilitiesUnobservableInputReconciliationTableTextBlock" name="FairValueAssetsAndLiabilitiesUnobservableInputReconciliationTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_FairValueMeasuredWithUnobservableInputReconcilitionRecurringBasisNetAssetValue" name="FairValueMeasuredWithUnobservableInputReconcilitionRecurringBasisNetAssetValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="pdce_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisNetAssetPurchasesSalesIssuesSettlements" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisNetAssetPurchasesSalesIssuesSettlements" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="pdce_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisNetAssetsGainLossIncludedInEarnings" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisNetAssetsGainLossIncludedInEarnings" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_FairValueofNetAssetsLineItems" name="FairValueofNetAssetsLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_FairValueofNetAssetsTable" name="FairValueofNetAssetsTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_Federaltaxcredits" name="Federaltaxcredits" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_FirstPaymentMember" name="FirstPaymentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_FirstYearCommitmentMember" name="FirstYearCommitmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_FirstfacilitiesagreementwithmidstreamproviderMember" name="FirstfacilitiesagreementwithmidstreamproviderMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_FourthYearCommitmentMember" name="FourthYearCommitmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_FundsHeldForDistribution" name="FundsHeldForDistribution" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="pdce_FutureMinimumLeasePaymentsAbstract" name="FutureMinimumLeasePaymentsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_Gainlossonsaleofoilandgaspropertyfromcontinuingoperations" name="Gainlossonsaleofoilandgaspropertyfromcontinuingoperations" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_GasWellCreditMember" name="GasWellCreditMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_GeologicalAndGeophysical" name="GeologicalAndGeophysical" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_GoodwillAbstract" name="GoodwillAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_GrossPUDlocations" name="GrossPUDlocations" nillable="true" substitutionGroup="xbrli:item" type="xbrli:pureItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_HeldforsalepolicyPolicyTextBlock" name="HeldforsalepolicyPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_ImpactofNettingAgreementsAbstract" name="ImpactofNettingAgreementsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_Impairedacreage" name="Impairedacreage" nillable="true" substitutionGroup="xbrli:item" type="num:areaItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="pdce_ImpairmentOfNaturalGasAndCrudeOilPropertiesAbstract" name="ImpairmentOfNaturalGasAndCrudeOilPropertiesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_ImpairmentOfNaturalGasAndCrudeOilPropertiesLineItems" name="ImpairmentOfNaturalGasAndCrudeOilPropertiesLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_ImpairmentOfNaturalGasAndCrudeOilPropertiesTable" name="ImpairmentOfNaturalGasAndCrudeOilPropertiesTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_ImpairmentOfNaturalGasAndCrudeOilPropertiesTableTextBlock" name="ImpairmentOfNaturalGasAndCrudeOilPropertiesTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_ImpairmentOfProvedNaturalGasAndOilPropertiesContinuingAndDiscontinued" name="ImpairmentOfProvedNaturalGasAndOilPropertiesContinuingAndDiscontinued" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="pdce_Impairmentofotherproperties" name="Impairmentofotherproperties" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_IncomeStatementAndBalanceSheetLocationAxis" name="IncomeStatementAndBalanceSheetLocationAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_IncreaseorDecreaseinProvedReserves" name="IncreaseorDecreaseinProvedReserves" nillable="true" substitutionGroup="xbrli:item" type="num:volumeItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_Increaseordecreaseinfundsheldfordistribution" name="Increaseordecreaseinfundsheldfordistribution" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="pdce_Incrementalvolumecommitment" name="Incrementalvolumecommitment" nillable="true" substitutionGroup="xbrli:item" type="num:volumeItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_IndexpriceforreservesbycommodityTableTextBlock" name="IndexpriceforreservesbycommodityTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_IndividualCustomersConstituting10OrMoreOfTotalRevenueTableTextBlock" name="IndividualCustomersConstituting10OrMoreOfTotalRevenueTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_InfrastructureAndPipelineCostsMember" name="InfrastructureAndPipelineCostsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_Injunctiverelieflegalexpenseaccrual" name="Injunctiverelieflegalexpenseaccrual" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="pdce_IntercompanyPayable" name="IntercompanyPayable" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="pdce_IntercompanyReceivables" name="IntercompanyReceivables" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="pdce_IntercompanyTransferInvestingActivities" name="IntercompanyTransferInvestingActivities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="pdce_IntercompanyTransfersFinancingActivities" name="IntercompanyTransfersFinancingActivities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_JointInterestBillingMember" name="JointInterestBillingMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_LIBOROptionMember" name="LIBOROptionMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_LTtransportationvolumesnettointerest" name="LTtransportationvolumesnettointerest" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="pdce_LiabilitycomponentofgrossproceedsofConvertibleNotes" name="LiabilitycomponentofgrossproceedsofConvertibleNotes" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="pdce_LineofCreditFacilityInitialBorrowingBase" name="LineofCreditFacilityInitialBorrowingBase" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="pdce_LineofCreditFacilityWeightedAverageInterestRate" name="LineofCreditFacilityWeightedAverageInterestRate" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="pdce_LineofCreditInitialElectedCommitment" name="LineofCreditInitialElectedCommitment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_LongTermDebtAdditionalDisclosureAbstract" name="LongTermDebtAdditionalDisclosureAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_Majorityofupwarddownwardrevisionofourpreviousestimateofprovedreserves" name="Majorityofupwarddownwardrevisionofourpreviousestimateofprovedreserves" nillable="true" substitutionGroup="xbrli:item" type="num:volumeItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_MaturityPeriodAxis" name="MaturityPeriodAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_MaturityPeriodDomain" name="MaturityPeriodDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_MaximumBorrowingBaseMember" name="MaximumBorrowingBaseMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_MidstreamMemberMember" name="MidstreamMemberMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_Minimumpercentofaggregateprincipaldebtamountrequiredtoremainoutstanding" name="Minimumpercentofaggregateprincipaldebtamountrequiredtoremainoutstanding" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_Mitigationlegalexpenseaccrual" name="Mitigationlegalexpenseaccrual" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="pdce_NatureOfOperationsAndBasisOfPresentationAbstract" name="NatureOfOperationsAndBasisOfPresentationAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_NetAssetFairValue" name="NetAssetFairValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="pdce_NetPUDlocations" name="NetPUDlocations" nillable="true" substitutionGroup="xbrli:item" type="xbrli:pureItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_NewlyDrilledWellsGross" name="NewlyDrilledWellsGross" nillable="true" substitutionGroup="xbrli:item" type="xbrli:pureItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_NewlyDrilledWellsNet" name="NewlyDrilledWellsNet" nillable="true" substitutionGroup="xbrli:item" type="xbrli:pureItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_NonCurrentAssetsMember" name="NonCurrentAssetsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_NonCurrentLiabilitiesMember" name="NonCurrentLiabilitiesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_NoncashChangeInAssetRetirementObligation" name="NoncashChangeInAssetRetirementObligation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_NoteReceivablesAbstract" name="NoteReceivablesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_NotesToChangesInSmogAbstract" name="NotesToChangesInSmogAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_Notespayablepercentageofparvalue" name="Notespayablepercentageofparvalue" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="pdce_OilAndGasProducingWellsGross" name="OilAndGasProducingWellsGross" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="pdce_Oilandgasdrillinglocationsgross" name="Oilandgasdrillinglocationsgross" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="pdce_Oilandgasindexpriceforreserves" name="Oilandgasindexpriceforreserves" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="pdce_OilandgasindexpriceforreservesLineItems" name="OilandgasindexpriceforreservesLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_OilandgasindexpriceforreservesTable" name="OilandgasindexpriceforreservesTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_OtherAccountsReceivableMember" name="OtherAccountsReceivableMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_OtherExploratorycosts" name="OtherExploratorycosts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_PDCacreagetoThirdParty2Member" name="PDCacreagetoThirdParty2Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_PDCacrestransferredtoNobleMember" name="PDCacrestransferredtoNobleMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_PerformanceSharesPayoutRange" name="PerformanceSharesPayoutRange" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_PeriodRelatedToDerivativeRealizedUnrealizedGainsLossesDomain" name="PeriodRelatedToDerivativeRealizedUnrealizedGainsLossesDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_PeriodRelatedToDerivativeRealizedunrealizedGainsLossesAxis" name="PeriodRelatedToDerivativeRealizedunrealizedGainsLossesAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_PricesUsedToEstimateOilAndGasReserves" name="PricesUsedToEstimateOilAndGasReserves" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="pdce_PricesUsedToEstimateReservesAbstract" name="PricesUsedToEstimateReservesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_PrincipalSourcesOfChangeInStandardizedMeasureOfDiscountedFutureNetCashFlowsUnuaditedAbstract" name="PrincipalSourcesOfChangeInStandardizedMeasureOfDiscountedFutureNetCashFlowsUnuaditedAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_ProductionTaxLiability" name="ProductionTaxLiability" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="pdce_ProductionTaxLiabilityCurrent" name="ProductionTaxLiabilityCurrent" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="pdce_ProductionTaxLiabilityPolicyPolicyTextBlock" name="ProductionTaxLiabilityPolicyPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_PropertyPlantandEquipmentEstimatedUsefulLivesPolicyTextBlock" name="PropertyPlantandEquipmentEstimatedUsefulLivesPolicyTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_ProvedDevelopedReservesMember" name="ProvedDevelopedReservesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_ProvedDevelopedReservesRevisionsOfPreviousEstimatesIncreaseDecreaseOperatingCosts" name="ProvedDevelopedReservesRevisionsOfPreviousEstimatesIncreaseDecreaseOperatingCosts" nillable="true" substitutionGroup="xbrli:item" type="num:volumeItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_ProvedUndevelopedReservesMember" name="ProvedUndevelopedReservesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_Proveddevelopedandundevelopedreservespercentincreaseordecrease" name="Proveddevelopedandundevelopedreservespercentincreaseordecrease" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_QuarterlyFinancialInformationAbstract" name="QuarterlyFinancialInformationAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_ReclassificationofIncomeStatementTable" name="ReclassificationofIncomeStatementTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_ReclassificationsAxis" name="ReclassificationsAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_ReclassificationsDomain" name="ReclassificationsDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_ReclassificationsLineItems" name="ReclassificationsLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_ReconciliationOfChangesInAssetRetirementObligationsLineItems" name="ReconciliationOfChangesInAssetRetirementObligationsLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_ReconciliationOfChangesInAssetRetirementObligationsTable" name="ReconciliationOfChangesInAssetRetirementObligationsTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_ReductionToProvedUndevelopedAndDevelopmentCosts" name="ReductionToProvedUndevelopedAndDevelopmentCosts" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_ReserveDevelopmentAxis" name="ReserveDevelopmentAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_ReserveDevelopmentTotalDomain" name="ReserveDevelopmentTotalDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_RestrictedStockAwardsMarketBasedValuationAssumptionsTableTextBlock" name="RestrictedStockAwardsMarketBasedValuationAssumptionsTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_RestrictedStockMarketBasedAwardsMember" name="RestrictedStockMarketBasedAwardsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_ResultsOfOperationsForNaturalGasAndCrudeOilProducingActivitiesUnauditedAbstract" name="ResultsOfOperationsForNaturalGasAndCrudeOilProducingActivitiesUnauditedAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_RollfactorDerivativeContractsRelatedtoNaturalGasandCrudeOilSalesMemberMember" name="RollfactorDerivativeContractsRelatedtoNaturalGasandCrudeOilSalesMemberMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_SaddleButteRockiesMidstreamAmendmentPayment" name="SaddleButteRockiesMidstreamAmendmentPayment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_ScheduleOfDevelopedAndUndevelopedReservesAbstract" name="ScheduleOfDevelopedAndUndevelopedReservesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_ScheduleOfDevelopedAndUndevelopedReservesLineItems" name="ScheduleOfDevelopedAndUndevelopedReservesLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_ScheduleOfDevelopedAndUndevelopedReservesTable" name="ScheduleOfDevelopedAndUndevelopedReservesTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_ScheduleOfLongTermDebtAbstract" name="ScheduleOfLongTermDebtAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_ScheduleOfPricesUsedToEstimateNaturalGasAndCrudeOilReservesTableTextBlock" name="ScheduleOfPricesUsedToEstimateNaturalGasAndCrudeOilReservesTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_ScheduleOfPricesUsedToEstimateReservesLineItems" name="ScheduleOfPricesUsedToEstimateReservesLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_ScheduleOfPricesUsedToEstimateReservesTable" name="ScheduleOfPricesUsedToEstimateReservesTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_ScheduleofOtherLiabilitiesLineItems" name="ScheduleofOtherLiabilitiesLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_ScheduleofOtherLiabilitiesTable" name="ScheduleofOtherLiabilitiesTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_SecondPaymentMember" name="SecondPaymentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_SecondYearCommitmentMember" name="SecondYearCommitmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_SecondfacilitiesagreementwithmidstreamproviderMember" name="SecondfacilitiesagreementwithmidstreamproviderMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_SelectedInterestRateAxis" name="SelectedInterestRateAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_SelectedInterestRateAxisDomain" name="SelectedInterestRateAxisDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_ShareBasedCompensationRemainingContractualTermRollForward" name="ShareBasedCompensationRemainingContractualTermRollForward" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_ShareBasedCompesationAggregateIntrinsicValuRollForward" name="ShareBasedCompesationAggregateIntrinsicValuRollForward" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_ShareBasedExercisedAwardsIntrinsicValue" name="ShareBasedExercisedAwardsIntrinsicValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="pdce_SharedBasedAwardsIntrinsicValue" name="SharedBasedAwardsIntrinsicValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_SignificantAccountingPliciesLineItems" name="SignificantAccountingPliciesLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_SignificantAccountingPliciesTable" name="SignificantAccountingPliciesTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_StandardizedMeasureOfDiscountedFutureCashFlowsRelatingToProvedReservesUnauditedAbstract" name="StandardizedMeasureOfDiscountedFutureCashFlowsRelatingToProvedReservesUnauditedAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_StateCreditCarryforwardsMember" name="StateCreditCarryforwardsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_StateNolCarryforwardsMember" name="StateNolCarryforwardsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_SubsidiaryGuarantorAbstract" name="SubsidiaryGuarantorAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_SummaryOfSignificantAccountingPoliciesAbstract" name="SummaryOfSignificantAccountingPoliciesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_SuncorEnergyMarketingIncMember" name="SuncorEnergyMarketingIncMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_SupplementalInformationOnNaturalGasAndOilExplorationDevelopmentAndProductionActivitiesAbstract" name="SupplementalInformationOnNaturalGasAndOilExplorationDevelopmentAndProductionActivitiesAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_Supplementalenvironmentallegalexpensepaid" name="Supplementalenvironmentallegalexpensepaid" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="pdce_Supplementalenvironmentprojectslegalexpense" name="Supplementalenvironmentprojectslegalexpense" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="pdce_SupplyCommitmentsContractExpirationDate" name="SupplyCommitmentsContractExpirationDate" nillable="true" substitutionGroup="xbrli:item" type="xbrli:dateItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_SupplyContractExpirationDateMember" name="SupplyContractExpirationDateMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_SwinglineFacility" name="SwinglineFacility" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_ThirdParty1acreagetoPDCMember" name="ThirdParty1acreagetoPDCMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_ThirdParty2acreagetoPDCMember" name="ThirdParty2acreagetoPDCMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_ThirdYearCommitmentMember" name="ThirdYearCommitmentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_TimeBasedSharesGrantedToExecutives" name="TimeBasedSharesGrantedToExecutives" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_TotalCostsIncurred" name="TotalCostsIncurred" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="pdce_TotalIntrinsicValueOfTimeBasedAwardsVested" name="TotalIntrinsicValueOfTimeBasedAwardsVested" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="pdce_TreasuryStockAcquiredAndAvailableForReissuance" name="TreasuryStockAcquiredAndAvailableForReissuance" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_TreasuryStockAcquiredAndReissued" name="TreasuryStockAcquiredAndReissued" nillable="true" substitutionGroup="xbrli:item" type="xbrli:sharesItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_UndevelopedReservesConvertedToDeveloped" name="UndevelopedReservesConvertedToDeveloped" nillable="true" substitutionGroup="xbrli:item" type="num:volumeItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_UnusedCommitmentFeeMember" name="UnusedCommitmentFeeMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_UpwardDownwardRevisionduetochangeinSECpricing" name="UpwardDownwardRevisionduetochangeinSECpricing" nillable="true" substitutionGroup="xbrli:item" type="num:volumeItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_UpwardDownwardrevisionsWattenbergFieldrelatedtoPUDsthatarenolongerinourcoredrillingarea" name="UpwardDownwardrevisionsWattenbergFieldrelatedtoPUDsthatarenolongerinourcoredrillingarea" nillable="true" substitutionGroup="xbrli:item" type="num:volumeItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_UticaShaleMember" name="UticaShaleMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_UticaShalenaturalgasandWattenbergFieldcrudeoilMember" name="UticaShalenaturalgasandWattenbergFieldcrudeoilMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_WattenbergFieldMember" name="WattenbergFieldMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_WeightedAveragePriceNetOfProductionCost" name="WeightedAveragePriceNetOfProductionCost" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="pdce_Wellstobecompleted" name="Wellstobecompleted" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="pdce_YearOverYearActivityDomain" name="YearOverYearActivityDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_YearOverYearReserveActivityAxis" name="YearOverYearReserveActivityAxis" nillable="true" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_YearOverYearReserveActivityDomain" name="YearOverYearReserveActivityDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
</xsd:schema>
</XBRL>