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  <xsd:element id="pdce_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisNetAssetPurchasesSalesIssuesSettlements" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisNetAssetPurchasesSalesIssuesSettlements" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisNetAssetsGainLossIncludedInEarnings" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisNetAssetsGainLossIncludedInEarnings" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" 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_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 id="pdce_Gainlossonsaleofoilandgaspropertyfromcontinuingoperations" name="Gainlossonsaleofoilandgaspropertyfromcontinuingoperations" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" 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_ImpactofNettingAgreementsAbstract" name="ImpactofNettingAgreementsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <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_ImpairmentOfProvedPropertiesFromContinuingOperations" name="ImpairmentOfProvedPropertiesFromContinuingOperations" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="pdce_ImpairmentOfProvedPropertiesFromDiscontinuedOperations" name="ImpairmentOfProvedPropertiesFromDiscontinuedOperations" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="pdce_ImpairmentOfSignificantlyUnprovedPropertiesFromContinuingOperations" name="ImpairmentOfSignificantlyUnprovedPropertiesFromContinuingOperations" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="pdce_Impairmentofindividuallysignificantunprovedpropertiesfromdiscontinuedoperations" name="Impairmentofindividuallysignificantunprovedpropertiesfromdiscontinuedoperations" 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_IncomeTaxExpenseBenefitDiscontinuedOperations" name="IncomeTaxExpenseBenefitDiscontinuedOperations" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="pdce_Increasedecreaseduetochangeincommoditypricing" name="Increasedecreaseduetochangeincommoditypricing" nillable="true" substitutionGroup="xbrli:item" type="num:volumeItemType" 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_InsurancePaymentMember" name="InsurancePaymentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_InsuranceReimbursementMember" name="InsuranceReimbursementMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" 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_JpmorganChaseBankMember" name="JpmorganChaseBankMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_KeyBankMemberMember" name="KeyBankMemberMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" 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_LongTermDeferredTaxRate" name="LongTermDeferredTaxRate" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_MajorAccountsReceivableCustomerPercentage" name="MajorAccountsReceivableCustomerPercentage" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="instant" />
  <xsd:element id="pdce_Majorityofdownwardrevisionofourpreviousestimateofprovedreserves" name="Majorityofdownwardrevisionofourpreviousestimateofprovedreserves" nillable="true" substitutionGroup="xbrli:item" type="num:volumeItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_MarcellusShaleAssetGroupMember" name="MarcellusShaleAssetGroupMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_MarketingMember" name="MarketingMember" 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_May2012CommonStockIssuanceMember" name="May2012CommonStockIssuanceMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_MeritAcquisitionMember" name="MeritAcquisitionMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_NatixisMember" name="NatixisMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <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 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 abstract="true" id="pdce_NonEmployeeDirectorDeferredCompensationMember" name="NonEmployeeDirectorDeferredCompensationMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" 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_NumberOfWellsPendingDetermination" name="NumberOfWellsPendingDetermination" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="pdce_Numberofderivativecounterparties" name="Numberofderivativecounterparties" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="pdce_OilAndGasAssetsSalePriceBeforeAdjustments" name="OilAndGasAssetsSalePriceBeforeAdjustments" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="pdce_OilAndGasProducingWellsGross" name="OilAndGasProducingWellsGross" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="pdce_OtherAccountsReceivableMember" name="OtherAccountsReceivableMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_OtherLendersInOurCreditFacilityMember" name="OtherLendersInOurCreditFacilityMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_OtherOperatingIncomeDiscontuinedOperations" name="OtherOperatingIncomeDiscontuinedOperations" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_PDCMDivestitureMember" name="PDCMDivestitureMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_PDCPaymentMember" name="PDCPaymentMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_PUDconversionrate" name="PUDconversionrate" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_PartnershipClassActionMember" name="PartnershipClassActionMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_PartnershipLiquidationLawsuitMember" name="PartnershipLiquidationLawsuitMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_PdceProportionateShareMember" name="PdceProportionateShareMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_PdcmCreditFacilityMember" name="PdcmCreditFacilityMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_PdcmLineOfCreditOutstanding" name="PdcmLineOfCreditOutstanding" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element id="pdce_PercentageChangeInExtensionsAndDiscoveries" name="PercentageChangeInExtensionsAndDiscoveries" 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 abstract="true" id="pdce_PermianAssetGroupMember" name="PermianAssetGroupMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_PiceanceAndNecoAssetGroupMember" name="PiceanceAndNecoAssetGroupMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_PrepaidWellWriteOffs" name="PrepaidWellWriteOffs" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" 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_ProFormaCostsExpenseAndOther" name="ProFormaCostsExpenseAndOther" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="pdce_ProceedsToNonAffiliatedInvestorPartners" name="ProceedsToNonAffiliatedInvestorPartners" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" 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_PropertyPlantAndEquipmentEstimatedUsefulLivesTableTextBlock" name="PropertyPlantAndEquipmentEstimatedUsefulLivesTableTextBlock" 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 abstract="true" id="pdce_ProvedPropertiesMember" name="ProvedPropertiesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" 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 abstract="true" id="pdce_ProvedandUnprovedPropertiesMember" name="ProvedandUnprovedPropertiesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" 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_RNGCreditFacilityMember" name="RNGCreditFacilityMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" 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 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_ReservediscoveriesEasternOperatingRegion" name="ReservediscoveriesEasternOperatingRegion" nillable="true" substitutionGroup="xbrli:item" type="num:volumeItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_ReservediscoveriesWattenbergField" name="ReservediscoveriesWattenbergField" nillable="true" substitutionGroup="xbrli:item" type="num:volumeItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_ReservediscoveriesfromnonPUDdrilling" name="ReservediscoveriesfromnonPUDdrilling" nillable="true" substitutionGroup="xbrli:item" type="num:volumeItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_Reservediscoveriesrefracsnotaddedinprioryearreport" name="Reservediscoveriesrefracsnotaddedinprioryearreport" nillable="true" substitutionGroup="xbrli:item" type="num:volumeItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_RestrictedCashMember" name="RestrictedCashMember" 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 id="pdce_RevisionduetoSEC5YearRule" name="RevisionduetoSEC5YearRule" nillable="true" substitutionGroup="xbrli:item" type="num:volumeItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_Revisioninreservesduetoproductionfromuneconomicordivestedwells" name="Revisioninreservesduetoproductionfromuneconomicordivestedwells" nillable="true" substitutionGroup="xbrli:item" type="num:volumeItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_RevisionsduetoassetperformanceUticaShale" name="RevisionsduetoassetperformanceUticaShale" nillable="true" substitutionGroup="xbrli:item" type="num:volumeItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_Revisionsduetointerestadjustments" name="Revisionsduetointerestadjustments" nillable="true" substitutionGroup="xbrli:item" type="num:volumeItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_SalesFromNaturalGasMarketingMember" name="SalesFromNaturalGasMarketingMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_ScheduleIiValuationAndQualifyingAccountsAbstract" name="ScheduleIiValuationAndQualifyingAccountsAbstract" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" 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_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_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_ShallowUpperDevonianLetterofCreditMember" name="ShallowUpperDevonianLetterofCreditMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_ShallowUpperDevonianSaleMember" name="ShallowUpperDevonianSaleMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_ShallowUpperDevonianpropertiesMember" name="ShallowUpperDevonianpropertiesMember" 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:periodType="duration" />
  <xsd:element id="pdce_SharedBasedAwardsIntrinsicValue" name="SharedBasedAwardsIntrinsicValue" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" 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_StockAppreciationRightsMember" name="StockAppreciationRightsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" 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_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 abstract="true" id="pdce_TeppcoCrudeOilMember" name="TeppcoCrudeOilMember" 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 abstract="true" id="pdce_TotalRegionsDomain" name="TotalRegionsDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" 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_UnprovedPropertiesMember" name="UnprovedPropertiesMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" 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_VariousMember" name="VariousMember" 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 abstract="true" id="pdce_WellsFargoBankMember" name="WellsFargoBankMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <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>