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  <xsd:element id="pdce_EffectiveIncomeTaxRateReconciliationReturnProvisionAdjustments" name="EffectiveIncomeTaxRateReconciliationReturnProvisionAdjustments" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_EffectiveIncomeTaxRateReconciliationStateTaxCredits" name="EffectiveIncomeTaxRateReconciliationStateTaxCredits" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_EffectiveIncomeTaxRateReconciliationUnrecognizedTaxBenefit" name="EffectiveIncomeTaxRateReconciliationUnrecognizedTaxBenefit" 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_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:periodType="instant" />
  <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_FederalNolCarryforwardExpiresIn2030Member" name="FederalNolCarryforwardExpiresIn2030Member" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" 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_GasComponentOfExtensionsAndDiscoveries" name="GasComponentOfExtensionsAndDiscoveries" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" 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 id="pdce_HorizontalWellsDrilled" name="HorizontalWellsDrilled" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" 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 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 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:energyItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_IncreaseInExtensionsAndDiscoveries" name="IncreaseInExtensionsAndDiscoveries" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_IncreaseInExtensionsAndDiscoveriesRelatedToPuds" name="IncreaseInExtensionsAndDiscoveriesRelatedToPuds" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" 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_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 id="pdce_LetterOfCreditFrontingFee" name="LetterOfCreditFrontingFee" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_LiquidsComponentOfExtensionsAndDiscoveries" name="LiquidsComponentOfExtensionsAndDiscoveries" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" 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 abstract="true" id="pdce_MarketingMember" name="MarketingMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_MaximumAnnualRepurchaseObligation" name="MaximumAnnualRepurchaseObligation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:periodType="instant" />
  <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_MichiganAssetsDivestedMember" name="MichiganAssetsDivestedMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_MichiganMember" name="MichiganMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_NaturalGasEquivalentMember" name="NaturalGasEquivalentMember" 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 abstract="true" id="pdce_NecoMember" name="NecoMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" 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_NolCarryforwardExcessTaxBenefitsRelatingToStockBasedCompensation" name="NolCarryforwardExcessTaxBenefitsRelatingToStockBasedCompensation" 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 id="pdce_NonOperatedDrillingProjects" name="NonOperatedDrillingProjects" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_NonQualifiedSupplementalRetirementBenefit" name="NonQualifiedSupplementalRetirementBenefit" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_NorthDakotaMember" name="NorthDakotaMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" 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 abstract="true" id="pdce_November2010CommonStockIssuanceMember" name="November2010CommonStockIssuanceMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_NumberOfAffiliatedPartnerships" name="NumberOfAffiliatedPartnerships" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="instant" />
  <xsd:element id="pdce_NumberOfWellsPendingDetermination" name="NumberOfWellsPendingDetermination" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" 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_OilAndNaturalGasProducingWellsGross" name="OilAndNaturalGasProducingWellsGross" nillable="true" substitutionGroup="xbrli:item" type="xbrli:decimalItemType" 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_OwnershipInterestInPdcmMember" name="OwnershipInterestInPdcmMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_PaymentsForRepurchasesOfPartnerUnits" name="PaymentsForRepurchasesOfPartnerUnits" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" 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 abstract="true" id="pdce_PdcmMember" name="PdcmMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_PercentageChangeInExtensionsAndDiscoveries" name="PercentageChangeInExtensionsAndDiscoveries" nillable="true" substitutionGroup="xbrli:item" type="num:percentItemType" 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_PeriodRelatedToDerivativeRealizedUnrealizedGainsLossesDomain" name="PeriodRelatedToDerivativeRealizedUnrealizedGainsLossesDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" 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_PermianBasinMember" name="PermianBasinMember" 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 abstract="true" id="pdce_PiceanceBasinMember" name="PiceanceBasinMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_PortionOfAnticipatedNaturalGasProductionHedged" name="PortionOfAnticipatedNaturalGasProductionHedged" nillable="true" substitutionGroup="xbrli:item" type="num:energyItemType" 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_ProceedsFromInvestingPartnerContribution" name="ProceedsFromInvestingPartnerContribution" 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_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 id="pdce_ProportionateShareOfPdcmCreditFacility" name="ProportionateShareOfPdcmCreditFacility" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="instant" />
  <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_ProvedUndevelopedReservesMember" name="ProvedUndevelopedReservesMember" 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_RealizedAndUnrealizedGainsLossesForCurrentPeriodMember" name="RealizedAndUnrealizedGainsLossesForCurrentPeriodMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_RealizedGainsLossesOnDerivativeInstrumentsNotDesignatedAsHedgingInstruments" name="RealizedGainsLossesOnDerivativeInstrumentsNotDesignatedAsHedgingInstruments" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_ReclassificationOfRealizedGainsLossesIncludedInPriorPeriodsUnrealizedMember" name="ReclassificationOfRealizedGainsLossesIncludedInPriorPeriodsUnrealizedMember" 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_ReimbursementsForTitleDefectsMember" name="ReimbursementsForTitleDefectsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" 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:energyItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_ReserveDiscoveriesNeco" name="ReserveDiscoveriesNeco" nillable="true" substitutionGroup="xbrli:item" type="num:energyItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_ReserveDiscoveriesNorthDakota" name="ReserveDiscoveriesNorthDakota" nillable="true" substitutionGroup="xbrli:item" type="num:energyItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_ReserveDiscoveriesPermian" name="ReserveDiscoveriesPermian" nillable="true" substitutionGroup="xbrli:item" type="num:energyItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_ReserveDiscoveriesPiceanceBasin" name="ReserveDiscoveriesPiceanceBasin" nillable="true" substitutionGroup="xbrli:item" type="num:energyItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_ReserveDiscoveriesWattenbergField" name="ReserveDiscoveriesWattenbergField" nillable="true" substitutionGroup="xbrli:item" type="num:energyItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_ReserveDiscoveriesWesternOperatingRegion" name="ReserveDiscoveriesWesternOperatingRegion" nillable="true" substitutionGroup="xbrli:item" type="num:energyItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_ReserveRevisionsDueToSeparatelyStatingNgls" name="ReserveRevisionsDueToSeparatelyStatingNgls" nillable="true" substitutionGroup="xbrli:item" type="num:energyItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_ReservesAcquiredEasternOperatingRegion" name="ReservesAcquiredEasternOperatingRegion" nillable="true" substitutionGroup="xbrli:item" type="num:energyItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_ReservesAcquiredPermian" name="ReservesAcquiredPermian" nillable="true" substitutionGroup="xbrli:item" type="num:energyItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_ReservesAcquiredPiceanceBasin" name="ReservesAcquiredPiceanceBasin" nillable="true" substitutionGroup="xbrli:item" type="num:energyItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_ReservesAcquiredWattenbergField" name="ReservesAcquiredWattenbergField" nillable="true" substitutionGroup="xbrli:item" type="num:energyItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_ReservesAcquiredWesternOperatingRegion" name="ReservesAcquiredWesternOperatingRegion" nillable="true" substitutionGroup="xbrli:item" type="num:energyItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_ReservesDispositionMichiganField" name="ReservesDispositionMichiganField" nillable="true" substitutionGroup="xbrli:item" type="num:energyItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_ReservesDispositionNorthDakota" name="ReservesDispositionNorthDakota" nillable="true" substitutionGroup="xbrli:item" type="num:energyItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_ReservesDispositionPdcmDeconsolidation" name="ReservesDispositionPdcmDeconsolidation" nillable="true" substitutionGroup="xbrli:item" type="num:energyItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_ReservesDispositionPermianBasin" name="ReservesDispositionPermianBasin" nillable="true" substitutionGroup="xbrli:item" type="num:energyItemType" 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:energyItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_RevisionsDueToAssetPerformance" name="RevisionsDueToAssetPerformance" nillable="true" substitutionGroup="xbrli:item" type="num:energyItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_RevisionsDueToChangesInProductionCosts" name="RevisionsDueToChangesInProductionCosts" nillable="true" substitutionGroup="xbrli:item" type="num:energyItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_RevisionsDueToInterestAdjustments" name="RevisionsDueToInterestAdjustments" nillable="true" substitutionGroup="xbrli:item" type="num:energyItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_RevisionsDueToTransfersFromPudToPdnp" name="RevisionsDueToTransfersFromPudToPdnp" nillable="true" substitutionGroup="xbrli:item" type="num:energyItemType" 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_SenecaUpshurDomain" name="SenecaUpshurDomain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_SeparationCompensation" name="SeparationCompensation" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" 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_ShareBasedForfeituresIntrinsicValue" name="ShareBasedForfeituresIntrinsicValue" 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 id="pdce_SharedBasedCompensationForExecutive" name="SharedBasedCompensationForExecutive" 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_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_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_VariousMember" name="VariousMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="pdce_VerticalWellsDrilled" name="VerticalWellsDrilled" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" 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_WesternOperatingRegionMember" name="WesternOperatingRegionMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="pdce_WilliamsProductionRmtCompanyMember" name="WilliamsProductionRmtCompanyMember" 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:element id="pdce_ZonesCompleted" name="ZonesCompleted" nillable="true" substitutionGroup="xbrli:item" type="xbrli:integerItemType" xbrli:periodType="duration" />
</xsd:schema>
</XBRL>