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  <xsd:element name="UnrecordedUnconditionalObligationOutstandingFixedPriceSalesContractsVolume" id="ngl_UnrecordedUnconditionalObligationOutstandingFixedPriceSalesContractsVolume" type="num:volumeItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="UnrecordedUnconditionalObligationOutstandingFloatingPriceSalesContracts" id="ngl_UnrecordedUnconditionalObligationOutstandingFloatingPriceSalesContracts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="UnrecordedUnconditionalObligationOutstandingFloatingPriceSalesContractsVolume" id="ngl_UnrecordedUnconditionalObligationOutstandingFloatingPriceSalesContractsVolume" type="num:volumeItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="UnrecordedUnconditionalPurchaseObligationOutstandingFixedPricePurchaseContracts" id="ngl_UnrecordedUnconditionalPurchaseObligationOutstandingFixedPricePurchaseContracts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="UnrecordedUnconditionalPurchaseObligationOutstandingFixedPricePurchaseContractsVolume" id="ngl_UnrecordedUnconditionalPurchaseObligationOutstandingFixedPricePurchaseContractsVolume" type="num:volumeItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="UnrecordedUnconditionalPurchaseObligationOutstandingFloatingPricePurchaseContracts" id="ngl_UnrecordedUnconditionalPurchaseObligationOutstandingFloatingPricePurchaseContracts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="UnrecordedUnconditionalPurchaseObligationOutstandingFloatingPricePurchaseContractsVolume" id="ngl_UnrecordedUnconditionalPurchaseObligationOutstandingFloatingPricePurchaseContractsVolume" type="num:volumeItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="VariableRateDebtMember" id="ngl_VariableRateDebtMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="VestingOn1January2014Member" id="ngl_VestingOn1January2014Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="VestingOn1January2015Member" id="ngl_VestingOn1January2015Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="VestingOn1January2016Member" id="ngl_VestingOn1January2016Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="VestingOn1January2017Member" id="ngl_VestingOn1January2017Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="VestingOn1January2018Member" id="ngl_VestingOn1January2018Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="VestingOn1July2013Member" id="ngl_VestingOn1July2013Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="VestingOn1July2014Member" id="ngl_VestingOn1July2014Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="VestingOn1July2015Member" id="ngl_VestingOn1July2015Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="VestingOn1July2016Member" id="ngl_VestingOn1July2016Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="VestingOn1July2017Member" id="ngl_VestingOn1July2017Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="VestingOn1July2018Member" id="ngl_VestingOn1July2018Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="WaterSolutionsMember" id="ngl_WaterSolutionsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="WaterSolutionsRevenue" id="ngl_WaterSolutionsRevenue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="WaterTreatmentAndDisposalMember" id="ngl_WaterTreatmentAndDisposalMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="WholesaleSupplyAndMarketingMember" id="ngl_WholesaleSupplyAndMarketingMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="WorkingCapitalFacilityMember" id="ngl_WorkingCapitalFacilityMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="WaterTreatmentFacilitiesAndEquipmentMember" id="ngl_WaterTreatmentFacilitiesAndEquipmentMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="BuildingsAndLeaseholdImprovementsMember" id="ngl_BuildingsAndLeaseholdImprovementsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CrudeOilAndNaturalGasLiquidsMember" id="ngl_CrudeOilAndNaturalGasLiquidsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LiabilityByMajorClassDomain" id="ngl_LiabilityByMajorClassDomain" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="BusinessCombinationThresholdAmountOfAdjustedEBITDAOnAnnualizedBasisConsideredForPotentialIncreaseInPurchasePrice" id="ngl_BusinessCombinationThresholdAmountOfAdjustedEBITDAOnAnnualizedBasisConsideredForPotentialIncreaseInPurchasePrice" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="BusinessCombinationNumberOfTimesPotentialIncreaseInPurchasePrice" id="ngl_BusinessCombinationNumberOfTimesPotentialIncreaseInPurchasePrice" type="xbrli:integerItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="OtherWaterSolutionsBusinessMember" id="ngl_OtherWaterSolutionsBusinessMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OptionAgreementMember" id="ngl_OptionAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CrudeOilLogisticsBusinessMember" id="ngl_CrudeOilLogisticsBusinessMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ButaneFixedPriceMember" id="ngl_ButaneFixedPriceMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ProductExchangeLiabilitiesCurrent" id="ngl_ProductExchangeLiabilitiesCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTable" id="ngl_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="WaterFacilityDevelopmentAgreementMember" id="ngl_WaterFacilityDevelopmentAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="WaterFacilityOptionAgreementMember" id="ngl_WaterFacilityOptionAgreementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EntitiesAffiliatedWithManagementMember" id="ngl_EntitiesAffiliatedWithManagementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="BargesAndTowboatsMember" id="ngl_BargesAndTowboatsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EntityOwnedByEmployeeMember" id="ngl_EntityOwnedByEmployeeMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CrescentTerminalsLLCMember" id="ngl_CrescentTerminalsLLCMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="BusinessAcquisitionNumberOfCrudeOilBargesAcquired" id="ngl_BusinessAcquisitionNumberOfCrudeOilBargesAcquired" type="xbrli:integerItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="LossContingencyPaymentIntendedToBeWithheldByCustomer" id="ngl_LossContingencyPaymentIntendedToBeWithheldByCustomer" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfUnrecordedUnconditionalObligationAmortizationOfContractAssetsAndLiabilitiesIncludedInCostOfSalesTableTextBlock" id="ngl_ScheduleOfUnrecordedUnconditionalObligationAmortizationOfContractAssetsAndLiabilitiesIncludedInCostOfSalesTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndIssuedInPeriodValue" id="ngl_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedAndIssuedInPeriodValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="DebtInstrumentUnderwritingFees" id="ngl_DebtInstrumentUnderwritingFees" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="AccountsReceivableAndConcentrationOfCreditRiskPolicyTextBlock" id="ngl_AccountsReceivableAndConcentrationOfCreditRiskPolicyTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AccruedExpensesAndOtherPayablesMember" id="ngl_AccruedExpensesAndOtherPayablesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AcquisitionAndExpansionCapitalFacilityMember" id="ngl_AcquisitionAndExpansionCapitalFacilityMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AcquisitionFacilityMember" id="ngl_AcquisitionFacilityMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AdvancePaymentsReceivedFromCustomersPolicyTextBlock" id="ngl_AdvancePaymentsReceivedFromCustomersPolicyTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AfterThirdTargetDistributionLevelMember" id="ngl_AfterThirdTargetDistributionLevelMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AllocatedShareBasedCompensationExpenseAbstract" id="ngl_AllocatedShareBasedCompensationExpenseAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AllocatedShareBasedCompensationExpenseAccountedAsLiabilityAwards" id="ngl_AllocatedShareBasedCompensationExpenseAccountedAsLiabilityAwards" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="AllocatedShareBasedCompensationExpenseNextTwelveMonths" id="ngl_AllocatedShareBasedCompensationExpenseNextTwelveMonths" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="AllocatedShareBasedCompensationExpenseRemainderOfFiscalYear" id="ngl_AllocatedShareBasedCompensationExpenseRemainderOfFiscalYear" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="UnderwritingDiscountsAndCommissions" id="ngl_UnderwritingDiscountsAndCommissions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="AllocatedShareBasedCompensationExpenseTotal" id="ngl_AllocatedShareBasedCompensationExpenseTotal" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="AllocatedShareBasedCompensationExpenseYearFive" id="ngl_AllocatedShareBasedCompensationExpenseYearFive" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="AllocatedShareBasedCompensationExpenseYearFour" id="ngl_AllocatedShareBasedCompensationExpenseYearFour" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="AllocatedShareBasedCompensationExpenseYearThree" id="ngl_AllocatedShareBasedCompensationExpenseYearThree" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="AllocatedShareBasedCompensationExpenseYearTwo" id="ngl_AllocatedShareBasedCompensationExpenseYearTwo" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="BasisOfPresentationAbstract" id="ngl_BasisOfPresentationAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="BusinessAcquisitionNumberOfTowBoatsAcquired" id="ngl_BusinessAcquisitionNumberOfTowBoatsAcquired" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="BusinessAcquisitionCostOfAcquiredDeferredPaymentsOnPurchasePrice" id="ngl_BusinessAcquisitionCostOfAcquiredDeferredPaymentsOnPurchasePrice" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="BusinessAcquisitionCostOfAcquiredEntityPurchasePriceComponentsTableTextBlock" id="ngl_BusinessAcquisitionCostOfAcquiredEntityPurchasePriceComponentsTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="BusinessAcquisitionNumberOfAcquiredNaturalGasLiquidsTerminals" id="ngl_BusinessAcquisitionNumberOfAcquiredNaturalGasLiquidsTerminals" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="BusinessAcquisitionNumberOfCommonUnitsNotEligibleToReceiveDistributionsDeclared" id="ngl_BusinessAcquisitionNumberOfCommonUnitsNotEligibleToReceiveDistributionsDeclared" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="BusinessAcquisitionNumberOfCompaniesAssociatedWithAcquiree" id="ngl_BusinessAcquisitionNumberOfCompaniesAssociatedWithAcquiree" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="BusinessAcquisitionNumberOfLeasedRailCars" id="ngl_BusinessAcquisitionNumberOfLeasedRailCars" type="xbrli:integerItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="BusinessAcquisitionNumberOfOwnedOrLeasedCustomerServiceCenters" id="ngl_BusinessAcquisitionNumberOfOwnedOrLeasedCustomerServiceCenters" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="BusinessAcquisitionNumberOfOwnedRailCars" id="ngl_BusinessAcquisitionNumberOfOwnedRailCars" type="xbrli:integerItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesAccountsPayableAndAccruedLiabilities" id="ngl_BusinessAcquisitionPurchasePriceAllocationCurrentLiabilitiesAccountsPayableAndAccruedLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="BusinessAcquisitionPurchasePriceAllocationCustomerAdvancesAndDepositsCurrent" id="ngl_BusinessAcquisitionPurchasePriceAllocationCustomerAdvancesAndDepositsCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="BusinessAcquisitionPurchasePriceAllocationCustomerAdvancesCurrent" id="ngl_BusinessAcquisitionPurchasePriceAllocationCustomerAdvancesCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="BusinessAcquisitionPurchasePriceAllocationDerivativeAssetsCurrent" id="ngl_BusinessAcquisitionPurchasePriceAllocationDerivativeAssetsCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="BusinessAcquisitionPurchasePriceAllocationDerivativeLiabilitiesCurrent" id="ngl_BusinessAcquisitionPurchasePriceAllocationDerivativeLiabilitiesCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="BusinessAcquisitionPurchasePriceAllocationDueFromRelatedPartiesCurrent" id="ngl_BusinessAcquisitionPurchasePriceAllocationDueFromRelatedPartiesCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="BusinessAcquisitionPurchasePriceAllocationDueToRelatedPartiesCurrent" id="ngl_BusinessAcquisitionPurchasePriceAllocationDueToRelatedPartiesCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="BusinessAcquisitionPurchasePriceAllocationForwardContractsAssetsCurrent" id="ngl_BusinessAcquisitionPurchasePriceAllocationForwardContractsAssetsCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="BusinessAcquisitionPurchasePriceAllocationForwardContractsLiabilitiesCurrent" id="ngl_BusinessAcquisitionPurchasePriceAllocationForwardContractsLiabilitiesCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="BusinessAcquisitionPurchasePriceAllocationInvestmentInCapitalLease" id="ngl_BusinessAcquisitionPurchasePriceAllocationInvestmentInCapitalLease" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsTotalShareBasedLiabilitiesPaidAbstract" id="ngl_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsTotalShareBasedLiabilitiesPaidAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="BusinessAcquisitionSubsequentToInitialPublicOfferingAbstract" id="ngl_BusinessAcquisitionSubsequentToInitialPublicOfferingAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="BusinessAcquisitionVolumeOfAcquiredAboveGroundPropaneStorage" id="ngl_BusinessAcquisitionVolumeOfAcquiredAboveGroundPropaneStorage" type="num:volumeItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="BusinessAcquisitionVolumeOfAcquiredUndergroundLeasedStorage" id="ngl_BusinessAcquisitionVolumeOfAcquiredUndergroundLeasedStorage" type="num:volumeItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="ButaneForwardsMember" id="ngl_ButaneForwardsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ButaneCrossCommodityMember" id="ngl_ButaneCrossCommodityMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CrudeOilCrossCommodityMember" id="ngl_CrudeOilCrossCommodityMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CrudeOilFixedPriceMember" id="ngl_CrudeOilFixedPriceMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CrudeOilIndexMember" id="ngl_CrudeOilIndexMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PropaneFixedPriceMember" id="ngl_PropaneFixedPriceMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ContractBasedMember" id="ngl_ContractBasedMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CostOfGoodsAndServicesSoldMember" id="ngl_CostOfGoodsAndServicesSoldMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CostofSalesLiquids" id="ngl_CostofSalesLiquids" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="CreditRiskNumberOfRefinersToWhomSubstantialAmountOfCommodityIsSold" id="ngl_CreditRiskNumberOfRefinersToWhomSubstantialAmountOfCommodityIsSold" type="xbrli:integerItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="GainLossOnSaleOfNoncontrollingInterest" id="ngl_GainLossOnSaleOfNoncontrollingInterest" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="CrudeButaneSpreadsMember" id="ngl_CrudeButaneSpreadsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CrudeForwardsMember" id="ngl_CrudeForwardsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CrudeOilLogisticsMember" id="ngl_CrudeOilLogisticsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LargestCustomerMember" id="ngl_LargestCustomerMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CrudeOilLogisticsSegmentMember" id="ngl_CrudeOilLogisticsSegmentMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CrudeOilTanksAndRelatedEquipmentMember" id="ngl_CrudeOilTanksAndRelatedEquipmentMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CrudeSwapsMember" id="ngl_CrudeSwapsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DebtCovenantFailureToPayOrAccelerationOfOtherDebtOrJudgmentMinimum" id="ngl_DebtCovenantFailureToPayOrAccelerationOfOtherDebtOrJudgmentMinimum" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="DebtInstrumentCovenantInterestCoverageRatio" id="ngl_DebtInstrumentCovenantInterestCoverageRatio" type="xbrli:pureItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DebtInstrumentCovenantLeverageRatio" id="ngl_DebtInstrumentCovenantLeverageRatio" type="xbrli:pureItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DebtInstrumentCustomaryEventOfDefaultOwnershipPercentageRequiredForDeclaringNotesDueAndPayable" id="ngl_DebtInstrumentCustomaryEventOfDefaultOwnershipPercentageRequiredForDeclaringNotesDueAndPayable" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DebtInstrumentInterestCoverageRatio" id="ngl_DebtInstrumentInterestCoverageRatio" type="xbrli:pureItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DebtInstrumentLeverageRatio" id="ngl_DebtInstrumentLeverageRatio" type="xbrli:pureItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LiabilityByMajorClassAxis" id="ngl_LiabilityByMajorClassAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DebtInstrumentVariableRateBasis" id="ngl_DebtInstrumentVariableRateBasis" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DebtIssuanceCostsMember" id="ngl_DebtIssuanceCostsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DepreciationAndAmortizationMember" id="ngl_DepreciationAndAmortizationMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DepreciationAndAmortizationPolicyTextBlock" id="ngl_DepreciationAndAmortizationPolicyTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DerivativeCollateralObligationToReturnRightToReclaimCash" id="ngl_DerivativeCollateralObligationToReturnRightToReclaimCash" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="DisposalWellsAndRelatedEquipmentMember" id="ngl_DisposalWellsAndRelatedEquipmentMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DistillateMember" id="ngl_DistillateMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DistributionLimitedPartnerPercentageOfQuarterlyDistributionsEarnedAndPaidToDetermineTerminationOfSubordinationPeriod" id="ngl_DistributionLimitedPartnerPercentageOfQuarterlyDistributionsEarnedAndPaidToDetermineTerminationOfSubordinationPeriod" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DistributionMadeToMemberCashDistributionsPaid" id="ngl_DistributionMadeToMemberCashDistributionsPaid" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="DistributionsNumberOfQuartersToDetermineTerminationOfSubordinationPeriod" id="ngl_DistributionsNumberOfQuartersToDetermineTerminationOfSubordinationPeriod" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DocumentAndEntityInformationAbstract" id="ngl_DocumentAndEntityInformationAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EquipmentAndSoftwareMember" id="ngl_EquipmentAndSoftwareMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FinanceChargesIncome" id="ngl_FinanceChargesIncome" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="FirstTargetDistributionLevelMember" id="ngl_FirstTargetDistributionLevelMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="GeneralPartnersCapitalAccountCashDistributionAllocationPercentageLevelOne" id="ngl_GeneralPartnersCapitalAccountCashDistributionAllocationPercentageLevelOne" type="num:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="GeneralPartnersCapitalAccountCashDistributionAllocationPercentageLevelThree" id="ngl_GeneralPartnersCapitalAccountCashDistributionAllocationPercentageLevelThree" type="num:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="GeneralPartnersCapitalAccountCashDistributionAllocationPercentageLevelTwo" id="ngl_GeneralPartnersCapitalAccountCashDistributionAllocationPercentageLevelTwo" type="num:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="GoodwillAcquiredDuringPeriodIncludingPurchaseAccountingAdjustments" id="ngl_GoodwillAcquiredDuringPeriodIncludingPurchaseAccountingAdjustments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="HicksgasGiffordIncMember" id="ngl_HicksgasGiffordIncMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="HicksgasLLCAndGiffordMember" id="ngl_HicksgasLLCAndGiffordMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="HicksgasLLCMember" id="ngl_HicksgasLLCMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="HighSierraCrudeOilMarketingLLCMember" id="ngl_HighSierraCrudeOilMarketingLLCMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="HighSierraEnergyGPLLCMember" id="ngl_HighSierraEnergyGPLLCMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="HighSierraEnergyLPAndHighSierraEnergyGPLLCMember" id="ngl_HighSierraEnergyLPAndHighSierraEnergyGPLLCMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="HighSierraEnergyLPMember" id="ngl_HighSierraEnergyLPMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="HighSierraManagementMember" id="ngl_HighSierraManagementMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IEPPartiesMember" id="ngl_IEPPartiesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IncomeTaxesLineItems" id="ngl_IncomeTaxesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IncomeTaxesTable" id="ngl_IncomeTaxesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IncreaseDecreaseInProductExchangesNet" id="ngl_IncreaseDecreaseInProductExchangesNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="InterestExpenseIncreaseDecreaseDueToChangeInAverageInterestRate" id="ngl_InterestExpenseIncreaseDecreaseDueToChangeInAverageInterestRate" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="LeaseAndOtherAgreementsMember" id="ngl_LeaseAndOtherAgreementsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LimitedPartnersCapitalAccountCashDistributionAllocationPercentageToAllUnitholdersOnProRataBasisLevelThree" id="ngl_LimitedPartnersCapitalAccountCashDistributionAllocationPercentageToAllUnitholdersOnProRataBasisLevelThree" type="num:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LimitedPartnersCapitalAccountCashDistributionAllocationPercentageToHoldersOfCommonUnitsLevelOne" id="ngl_LimitedPartnersCapitalAccountCashDistributionAllocationPercentageToHoldersOfCommonUnitsLevelOne" type="num:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LimitedPartnersCapitalAccountCashDistributionAllocationPercentageToHoldersOfSubordinatedUnitsLevelTwo" id="ngl_LimitedPartnersCapitalAccountCashDistributionAllocationPercentageToHoldersOfSubordinatedUnitsLevelTwo" type="num:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LimitedPartnersCapitalAccountCommonUnitsMember" id="ngl_LimitedPartnersCapitalAccountCommonUnitsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OilfieldWaterLinesLPMember" id="ngl_OilfieldWaterLinesLPMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LimitedPartnersCapitalAccountSubordinatedUnitsMember" id="ngl_LimitedPartnersCapitalAccountSubordinatedUnitsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LimitedPartnershipSubordinatedUnitsConversionRatio" id="ngl_LimitedPartnershipSubordinatedUnitsConversionRatio" type="xbrli:pureItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LineOfCreditFacilityMaximumAmountOutstandingDuringSpecifiedPeriod" id="ngl_LineOfCreditFacilityMaximumAmountOutstandingDuringSpecifiedPeriod" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="LineOfCreditFacilityMaximumAmountOutstandingSpecifiedPeriod" id="ngl_LineOfCreditFacilityMaximumAmountOutstandingSpecifiedPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="BusinessCombinationContingentConsiderationArrangementsBasisForAmountPeriod" id="ngl_BusinessCombinationContingentConsiderationArrangementsBasisForAmountPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearSix" id="ngl_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearSix" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="LongTermDebtMaturitiesRepaymentsOfPrincipalInYearSix" id="ngl_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearSix" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="LongTermDebtWeightedAverageInterestRateChangeThatWouldResultInChangeOfAnnualInterestExpense" id="ngl_LongTermDebtWeightedAverageInterestRateChangeThatWouldResultInChangeOfAnnualInterestExpense" type="num:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LossContingencyAmountNotPaidByCustomerForDisputedTransportationRateSchedule" id="ngl_LossContingencyAmountNotPaidByCustomerForDisputedTransportationRateSchedule" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="LossContingencyAmountThatShouldHaveBeenCollectedFromCustomersAndRemittedToTaxingAuthority" id="ngl_LossContingencyAmountThatShouldHaveBeenCollectedFromCustomersAndRemittedToTaxingAuthority" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="LossOnEarlyExtinguishmentOfDebtMember" id="ngl_LossOnEarlyExtinguishmentOfDebtMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="MaterialAcquisitions2013And2014Member" id="ngl_MaterialAcquisitions2013And2014Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="MidstreamMember" id="ngl_MidstreamMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="MinimumPercentageOfQualifyingIncomeOfNonTaxableSubsidiaries" id="ngl_MinimumPercentageOfQualifyingIncomeOfNonTaxableSubsidiaries" type="num:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NGLEnergyHoldingsMember" id="ngl_NGLEnergyHoldingsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NaturalGasLiquidsLogisticsMember" id="ngl_NaturalGasLiquidsLogisticsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LiquidsRevenue" id="ngl_LiquidsRevenue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="NaturalGasLiquidsTerminalAssetsMember" id="ngl_NaturalGasLiquidsTerminalAssetsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NonqualifyingIncomeAsPercentageOfGrossIncomeMaximum" id="ngl_NonqualifyingIncomeAsPercentageOfGrossIncomeMaximum" type="num:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NorthAmericanPropaneIncMember" id="ngl_NorthAmericanPropaneIncMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfAccounts" id="ngl_NumberOfAccounts" type="xbrli:integerItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfCanadianSubsidiaries" id="ngl_NumberOfCanadianSubsidiaries" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="NumberOfConsecutiveNonOverlappingFourQuarterPeriodsForDistributionOnGeneralPartnerInterestToDetermineTerminationOfSubordinationPeriod" id="ngl_NumberOfConsecutiveNonOverlappingFourQuarterPeriodsForDistributionOnGeneralPartnerInterestToDetermineTerminationOfSubordinationPeriod" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfConsolidatedSubsidiaries" id="ngl_NumberOfConsolidatedSubsidiaries" type="xbrli:integerItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfMissingRequiredPermits" id="ngl_NumberOfMissingRequiredPermits" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfNonOverlappingQuartersForDistributionOnGeneralPartnerInterest" id="ngl_NumberOfNonOverlappingQuartersForDistributionOnGeneralPartnerInterest" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfOwnedTerminals" id="ngl_NumberOfOwnedTerminals" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="NumberOfTaxableCorporateSubsidiaries" id="ngl_NumberOfTaxableCorporateSubsidiaries" type="xbrli:integerItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="OilAndGasProducersMember" id="ngl_OilAndGasProducersMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OstermanMember" id="ngl_OstermanMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OtherNaturalGasLiquidsMember" id="ngl_OtherNaturalGasLiquidsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OtherProductsAndServicesMember" id="ngl_OtherProductsAndServicesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OtherProductsOrServicesMember" id="ngl_OtherProductsOrServicesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OtherRelatedPartyMember" id="ngl_OtherRelatedPartyMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OwnershipInterestInGeneralPartner" id="ngl_OwnershipInterestInGeneralPartner" type="num:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PacerPropaneMember" id="ngl_PacerPropaneMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PartnersCapitalAccountAcquisitionsNetOfIssuanceCosts" id="ngl_PartnersCapitalAccountAcquisitionsNetOfIssuanceCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="PartnersCapitalAccountDistributionsExcludingIncentiveDistributions" id="ngl_PartnersCapitalAccountDistributionsExcludingIncentiveDistributions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="PartnersCapitalAccountDistributionsPostInitialPublicOffering" id="ngl_PartnersCapitalAccountDistributionsPostInitialPublicOffering" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="PartnersCapitalAccountDistributionsPreInitialPublicOffering" id="ngl_PartnersCapitalAccountDistributionsPreInitialPublicOffering" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="PartnersCapitalAccountMarginalPercentageInterestInDistributions" id="ngl_PartnersCapitalAccountMarginalPercentageInterestInDistributions" type="num:percentItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PartnersCapitalAccountsLineItems" id="ngl_PartnersCapitalAccountsLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PartnersCapitalAccountsTable" id="ngl_PartnersCapitalAccountsTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PaymentsForRepurchaseOfCommonLimitedPartnersUnits" id="ngl_PaymentsForRepurchaseOfCommonLimitedPartnersUnits" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="PaymentsOfFeeRelatedToAmendmentOfAgreement" id="ngl_PaymentsOfFeeRelatedToAmendmentOfAgreement" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="PecosMember" id="ngl_PecosMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PemexExploracionYProduccionMember" id="ngl_PemexExploracionYProduccionMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PercentageOfMembershipInterestContributedAsCapital" id="ngl_PercentageOfMembershipInterestContributedAsCapital" type="num:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PercentageOfMembershipInterestInEntitiesContributedToSubsidiary" id="ngl_PercentageOfMembershipInterestInEntitiesContributedToSubsidiary" type="num:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PreferredStockRedemptionPeriodOfNotice" id="ngl_PreferredStockRedemptionPeriodOfNotice" type="xbrli:durationItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PreviousRevolvingCreditFacilityMember" id="ngl_PreviousRevolvingCreditFacilityMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PriceRiskDerivativesAtFairValueNetAfterMarginDeposits" id="ngl_PriceRiskDerivativesAtFairValueNetAfterMarginDeposits" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="ProductExchangePolicyTextBlock" id="ngl_ProductExchangePolicyTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="GavilonLLCMember" id="ngl_GavilonLLCMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PeriodWithinWhichPartnersCapitalAccountUnitsMustBeRegisteredOnStockExchangeForSale" id="ngl_PeriodWithinWhichPartnersCapitalAccountUnitsMustBeRegisteredOnStockExchangeForSale" type="xbrli:durationItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="WaterDisposalFacilityMember" id="ngl_WaterDisposalFacilityMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="BusinessAcquisitionNumberOfCrudeOilTerminalsAcquired" id="ngl_BusinessAcquisitionNumberOfCrudeOilTerminalsAcquired" type="xbrli:integerItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="BusinessAcquisitionNumberOfWaterDisposalFacilitiesAcquired" id="ngl_BusinessAcquisitionNumberOfWaterDisposalFacilitiesAcquired" type="xbrli:integerItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="DebtInstrumentInitialPurchaseDiscount" id="ngl_DebtInstrumentInitialPurchaseDiscount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="HighRollerWellsBigLakeSWDNo1LtdMember" id="ngl_HighRollerWellsBigLakeSWDNo1LtdMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccruedLiabilities" id="ngl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccruedLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="EnergyRelatedInventoryNaturalGasLiquidsAbstract" id="ngl_EnergyRelatedInventoryNaturalGasLiquidsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EnergyRelatedInventoryNaturalGas" id="ngl_EnergyRelatedInventoryNaturalGas" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="AccruedExpensesAndOtherPayablesPolicyTextBlock" id="ngl_AccruedExpensesAndOtherPayablesPolicyTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="WaterFacilityDevelopmentAgreementPolicyTextBlock" id="ngl_WaterFacilityDevelopmentAgreementPolicyTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="GlassMountainPipelineLLCMember" id="ngl_GlassMountainPipelineLLCMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FuelsMarketingMember" id="ngl_FuelsMarketingMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NaturalGasMarketingMember" id="ngl_NaturalGasMarketingMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfAdditionsToPropertyPlantAndEquipmentForEachSegmentTableTextBlock" id="ngl_ScheduleOfAdditionsToPropertyPlantAndEquipmentForEachSegmentTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfLongLivedAssetsAndTotalAssetsBySegmentTableTextBlock" id="ngl_ScheduleOfLongLivedAssetsAndTotalAssetsBySegmentTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="MaximumPeriodForWhichOptionAvailableToOperateFacility" id="ngl_MaximumPeriodForWhichOptionAvailableToOperateFacility" type="xbrli:durationItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfOptionsSpecifiedInAgreementForCalculationOfPurchasePrice" id="ngl_NumberOfOptionsSpecifiedInAgreementForCalculationOfPurchasePrice" type="xbrli:integerItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FuelsMarketingRevenue" id="ngl_FuelsMarketingRevenue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="NaturalGasMarketingRevenue" id="ngl_NaturalGasMarketingRevenue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="CostOfSalesFuelsMarketing" id="ngl_CostOfSalesFuelsMarketing" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="CostOfSalesNaturalGasMarketing" id="ngl_CostOfSalesNaturalGasMarketing" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInvestmentsInUnconsolidatedEntities" id="ngl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInvestmentsInUnconsolidatedEntities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccruedExpensesAndOtherPayables" id="ngl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccruedExpensesAndOtherPayables" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesStorageAndTransportationContracts" id="ngl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesStorageAndTransportationContracts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="RetailPropaneBusinessAndNaturalGasLiquidsTerminalsMember" id="ngl_RetailPropaneBusinessAndNaturalGasLiquidsTerminalsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NaturalGasLiquidsTerminalsMember" id="ngl_NaturalGasLiquidsTerminalsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfUnrecordedUnconditionalObligationAmortizationOfContractAssetsAndLiabilitiesExpectedToBeIncludedInCostOfSalesTableTextBlock" id="ngl_ScheduleOfUnrecordedUnconditionalObligationAmortizationOfContractAssetsAndLiabilitiesExpectedToBeIncludedInCostOfSalesTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfExpectedTransactionCompletionBonusesAndGuaranteedMinimumIncentiveCompensationBonusesTableTextBlock" id="ngl_ScheduleOfExpectedTransactionCompletionBonusesAndGuaranteedMinimumIncentiveCompensationBonusesTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfAmortizationOfNaturalGasStorageAndTransportationContractsLiabilitiesExpectedToBeIncludedInCostOfSalesTableTextBlock" id="ngl_ScheduleOfAmortizationOfNaturalGasStorageAndTransportationContractsLiabilitiesExpectedToBeIncludedInCostOfSalesTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="UnamortizedBalancesIncludedInNoncurrentLiabilities" id="ngl_UnamortizedBalancesIncludedInNoncurrentLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="UnrecordedUnconditionalObligationAmortizationOfContractAssetsAndLiabilitiesExpectedToBeIncludedInCostOfSalesAbstract" id="ngl_UnrecordedUnconditionalObligationAmortizationOfContractAssetsAndLiabilitiesExpectedToBeIncludedInCostOfSalesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="UnrecordedUnconditionalObligationAmortizationOfContractAssetsAndLiabilitiesExpectedToBeIncludedInCostOfSalesInNextRollingTwelveMonths" id="ngl_UnrecordedUnconditionalObligationAmortizationOfContractAssetsAndLiabilitiesExpectedToBeIncludedInCostOfSalesInNextRollingTwelveMonths" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="UnrecordedUnconditionalObligationAmortizationOfContractAssetsAndLiabilitiesExpectedToBeIncludedInCostOfSalesInRollingYearTwo" id="ngl_UnrecordedUnconditionalObligationAmortizationOfContractAssetsAndLiabilitiesExpectedToBeIncludedInCostOfSalesInRollingYearTwo" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="UnrecordedUnconditionalObligationAmortizationOfContractAssetsAndLiabilitiesExpectedToBeIncludedInCostOfSalesInRollingYearThree" id="ngl_UnrecordedUnconditionalObligationAmortizationOfContractAssetsAndLiabilitiesExpectedToBeIncludedInCostOfSalesInRollingYearThree" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="UnrecordedUnconditionalObligationAmortizationOfContractAssetsAndLiabilitiesExpectedToBeIncludedInCostOfSalesInRollingYearFour" id="ngl_UnrecordedUnconditionalObligationAmortizationOfContractAssetsAndLiabilitiesExpectedToBeIncludedInCostOfSalesInRollingYearFour" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="UnrecordedUnconditionalObligationAmortizationOfContractAssetsAndLiabilitiesExpectedToBeIncludedInCostOfSalesInRollingYearFive" id="ngl_UnrecordedUnconditionalObligationAmortizationOfContractAssetsAndLiabilitiesExpectedToBeIncludedInCostOfSalesInRollingYearFive" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="UnrecordedUnconditionalObligationAmortizationOfContractAssetsAndLiabilitiesExpectedToBeIncludedInCostOfSalesInRollingAfterYearFive" id="ngl_UnrecordedUnconditionalObligationAmortizationOfContractAssetsAndLiabilitiesExpectedToBeIncludedInCostOfSalesInRollingAfterYearFive" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="ScheduleOfCommitmentsTable" id="ngl_ScheduleOfCommitmentsTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SellersOfGavilonLLCMember" id="ngl_SellersOfGavilonLLCMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EmployeeCompensationArrangementsMember" id="ngl_EmployeeCompensationArrangementsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NaturalGasStorageAndTransportationContractsMember" id="ngl_NaturalGasStorageAndTransportationContractsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CommitmentsLineItems" id="ngl_CommitmentsLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ExpectedTransactionCompletionBonusesAndGuaranteedMinimumIncentiveCompensationBonusesAbstract" id="ngl_ExpectedTransactionCompletionBonusesAndGuaranteedMinimumIncentiveCompensationBonusesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ExpectedTransactionCompletionBonusesAndGuaranteedMinimumIncentiveCompensationBonusesYearTwo" id="ngl_ExpectedTransactionCompletionBonusesAndGuaranteedMinimumIncentiveCompensationBonusesYearTwo" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="ExpectedTransactionCompletionBonusesAndGuaranteedMinimumIncentiveCompensationBonusesYearThree" id="ngl_ExpectedTransactionCompletionBonusesAndGuaranteedMinimumIncentiveCompensationBonusesYearThree" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="ExpectedTransactionCompletionBonusesAndGuaranteedMinimumIncentiveCompensationBonusesYearFour" id="ngl_ExpectedTransactionCompletionBonusesAndGuaranteedMinimumIncentiveCompensationBonusesYearFour" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="ExpectedTransactionCompletionBonusesAndGuaranteedMinimumIncentiveCompensationBonusesYearFive" id="ngl_ExpectedTransactionCompletionBonusesAndGuaranteedMinimumIncentiveCompensationBonusesYearFive" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="AmortizationOfContractLiabilitiesExpectedToBeIncludedInCostOfSalesRemainderOfFiscalYear" id="ngl_AmortizationOfContractLiabilitiesExpectedToBeIncludedInCostOfSalesRemainderOfFiscalYear" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="AmortizationOfContractLiabilitiesExpectedToBeIncludedInCostOfSalesInYearTwo" id="ngl_AmortizationOfContractLiabilitiesExpectedToBeIncludedInCostOfSalesInYearTwo" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="AmortizationOfContractLiabilitiesExpectedToBeIncludedInCostOfSalesInYearThree" id="ngl_AmortizationOfContractLiabilitiesExpectedToBeIncludedInCostOfSalesInYearThree" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="AmortizationOfContractLiabilitiesExpectedToBeIncludedInCostOfSalesInYearFour" id="ngl_AmortizationOfContractLiabilitiesExpectedToBeIncludedInCostOfSalesInYearFour" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="AmortizationOfContractLiabilitiesExpectedToBeIncludedInCostOfSalesInYearFive" id="ngl_AmortizationOfContractLiabilitiesExpectedToBeIncludedInCostOfSalesInYearFive" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="AmortizationOfContractLiabilitiesExpectedToBeIncludedInCostOfSalesInYearSix" id="ngl_AmortizationOfContractLiabilitiesExpectedToBeIncludedInCostOfSalesInYearSix" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="AmortizationOfContractLiabilitiesExpectedToBeIncludedInCostOfSalesAbstract" id="ngl_AmortizationOfContractLiabilitiesExpectedToBeIncludedInCostOfSalesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="IncomeLossFromEquityAndCostMethodInvestments" id="ngl_IncomeLossFromEquityAndCostMethodInvestments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassLineItems" id="ngl_FiniteLivedAndIndefiniteLivedIntangibleAssetsByMajorClassLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PeriodAfterWhichTransactionBonusesWillBePayable" id="ngl_PeriodAfterWhichTransactionBonusesWillBePayable" type="xbrli:durationItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NaturalGasLiquidsMember" id="ngl_NaturalGasLiquidsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="UnrecordedUnconditionalObligationAmortizationOfContractAssetsAndLiabilitiesExpectedToBeIncludedInCostOfSalesInRemainderOfFiscalYear" id="ngl_UnrecordedUnconditionalObligationAmortizationOfContractAssetsAndLiabilitiesExpectedToBeIncludedInCostOfSalesInRemainderOfFiscalYear" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="UnrecordedUnconditionalObligationAmortizationOfContractAssetsAndLiabilitiesExpectedToBeIncludedInCostOfSalesInYearTwo" id="ngl_UnrecordedUnconditionalObligationAmortizationOfContractAssetsAndLiabilitiesExpectedToBeIncludedInCostOfSalesInYearTwo" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="UnrecordedUnconditionalObligationAmortizationOfContractAssetsAndLiabilitiesExpectedToBeIncludedInCostOfSalesInYearThree" id="ngl_UnrecordedUnconditionalObligationAmortizationOfContractAssetsAndLiabilitiesExpectedToBeIncludedInCostOfSalesInYearThree" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="UnrecordedUnconditionalObligationAmortizationOfContractAssetsAndLiabilitiesExpectedToBeIncludedInCostOfSalesInYearFour" id="ngl_UnrecordedUnconditionalObligationAmortizationOfContractAssetsAndLiabilitiesExpectedToBeIncludedInCostOfSalesInYearFour" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="UnrecordedUnconditionalObligationAmortizationOfContractAssetsAndLiabilitiesExpectedToBeIncludedInCostOfSalesInYearFive" id="ngl_UnrecordedUnconditionalObligationAmortizationOfContractAssetsAndLiabilitiesExpectedToBeIncludedInCostOfSalesInYearFive" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="UnrecordedUnconditionalObligationAmortizationOfContractAssetsAndLiabilitiesExpectedToBeIncludedInCostOfSalesAfterYearFive" id="ngl_UnrecordedUnconditionalObligationAmortizationOfContractAssetsAndLiabilitiesExpectedToBeIncludedInCostOfSalesAfterYearFive" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="UnrecordedUnconditionalObligationAmortizationOfContractAssetsAndLiabilitiesExpectedToBeIncludedInCostOfSales" id="ngl_UnrecordedUnconditionalObligationAmortizationOfContractAssetsAndLiabilitiesExpectedToBeIncludedInCostOfSales" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="UnrecordedUnconditionalPurchaseObligationOutstandingFixedPricePurchaseContractsOfVolume1" id="ngl_UnrecordedUnconditionalPurchaseObligationOutstandingFixedPricePurchaseContractsOfVolume1" type="num:volumeItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="UnrecordedUnconditionalObligationOutstandingFixedPriceSalesContractsVolume1" id="ngl_UnrecordedUnconditionalObligationOutstandingFixedPriceSalesContractsVolume1" type="num:volumeItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="CrossCommodityMember" id="ngl_CrossCommodityMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RefinedProductsFixedPriceMember" id="ngl_RefinedProductsFixedPriceMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NaturalGasFixedPriceMember" id="ngl_NaturalGasFixedPriceMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LongLivedAssetsHeldForUseAbstract" id="ngl_LongLivedAssetsHeldForUseAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PaymentsForAssignmentOfContracts" id="ngl_PaymentsForAssignmentOfContracts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="AmortizationOfContractLiabilitiesThroughCostOfSales" id="ngl_AmortizationOfContractLiabilitiesThroughCostOfSales" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="FinancingTypeAxis" id="ngl_FinancingTypeAxis" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FinancingTypeDomain" id="ngl_FinancingTypeDomain" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RepaymentOfDebtsMember" id="ngl_RepaymentOfDebtsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RedemptionOfEquityMember" id="ngl_RedemptionOfEquityMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="WaterTreatmentFacilitiesMember" id="ngl_WaterTreatmentFacilitiesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CondensedConsolidatingFinancialInformationDisclosureAbstract" id="ngl_CondensedConsolidatingFinancialInformationDisclosureAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OwnershipPercentageInSubsidiaries" id="ngl_OwnershipPercentageInSubsidiaries" type="num:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsHeldForSale" id="ngl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsHeldForSale" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="RefinedProductsRevenue" id="ngl_RefinedProductsRevenue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="RenewablesRevenue" id="ngl_RenewablesRevenue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="CostOfSalesRefinedProducts" id="ngl_CostOfSalesRefinedProducts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="CostOfSalesRenewables" id="ngl_CostOfSalesRenewables" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="NetInvestmentsInAndAdvancesToFromAffiliatesSubsidiariesAssociatesAndJointVentures" id="ngl_NetInvestmentsInAndAdvancesToFromAffiliatesSubsidiariesAssociatesAndJointVentures" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="LiquidsSegmentMember" id="ngl_LiquidsSegmentMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CrudeOilTransportationAndOtherMember" id="ngl_CrudeOilTransportationAndOtherMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RefinedProductsSegmentMember" id="ngl_RefinedProductsSegmentMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RenewablesSegmentMember" id="ngl_RenewablesSegmentMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CoastalPlainsDisposal1LLCMember" id="ngl_CoastalPlainsDisposal1LLCMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EnergyRelatedInventoryButaneAndOther" id="ngl_EnergyRelatedInventoryButaneAndOther" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="EnergyRelatedInventoryRefinedProductsAbstract" id="ngl_EnergyRelatedInventoryRefinedProductsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EnergyRelatedInventoryGasoline" id="ngl_EnergyRelatedInventoryGasoline" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="EnergyRelatedInventoryDiesel" id="ngl_EnergyRelatedInventoryDiesel" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="EnergyRelatedInventoryRenewablesAbstract" id="ngl_EnergyRelatedInventoryRenewablesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EnergyRelatedInventoryEthanol" id="ngl_EnergyRelatedInventoryEthanol" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="EnergyRelatedInventoryBiodiesel" id="ngl_EnergyRelatedInventoryBiodiesel" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="EnergyRelatedInventoryRenewableIdentificationCredits" id="ngl_EnergyRelatedInventoryRenewableIdentificationCredits" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="IncreaseDecreaseToCostOfSales" id="ngl_IncreaseDecreaseToCostOfSales" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="LinefillAndTankBottomsMember" id="ngl_LinefillAndTankBottomsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DisposalsAndImpairmentsDisclosureTextBlock" id="ngl_DisposalsAndImpairmentsDisclosureTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfWaterSolutionsFacilitiesWhichExperiencedDamageToPropertyPlantAndEquipment" id="ngl_NumberOfWaterSolutionsFacilitiesWhichExperiencedDamageToPropertyPlantAndEquipment" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="HighSierraSERTCOLLCMember" id="ngl_HighSierraSERTCOLLCMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DisposalsAndImpairmentsAbstract" id="ngl_DisposalsAndImpairmentsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfNaturalGasLiquidsTerminals" id="ngl_NumberOfNaturalGasLiquidsTerminals" type="xbrli:integerItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfIntangibleAssetsExcludingGoodwillImpaired" id="ngl_NumberOfIntangibleAssetsExcludingGoodwillImpaired" type="xbrli:integerItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CrudeOilStorageLeaseCommitmentsMember" id="ngl_CrudeOilStorageLeaseCommitmentsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EmployeeBonusCommitmentsMember" id="ngl_EmployeeBonusCommitmentsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfFutureAmortizationOfContractualLiabilityTableTextBlock" id="ngl_ScheduleOfFutureAmortizationOfContractualLiabilityTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FutureAmortizationOfContractualLiabilityAbstract" id="ngl_FutureAmortizationOfContractualLiabilityAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FutureAmortizationOfContractualLiabilityYearOne" id="ngl_FutureAmortizationOfContractualLiabilityYearOne" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="FutureAmortizationOfContractualLiabilityYearTwo" id="ngl_FutureAmortizationOfContractualLiabilityYearTwo" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="FutureAmortizationOfContractualLiabilityYearThree" id="ngl_FutureAmortizationOfContractualLiabilityYearThree" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="WaterSolutionsSegmentMember" id="ngl_WaterSolutionsSegmentMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RetailPropaneSegmentMember" id="ngl_RetailPropaneSegmentMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NaturalGasLiquidsLogisticsSegmentMember" id="ngl_NaturalGasLiquidsLogisticsSegmentMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ExcessOfEstimatedFairValueOfInvestmentsInUnconsolidatedEntities" id="ngl_ExcessOfEstimatedFairValueOfInvestmentsInUnconsolidatedEntities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedEmployeeCompensationArrangementsVestingPeriod" id="ngl_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedEmployeeCompensationArrangementsVestingPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RenewableProductsMember" id="ngl_RenewableProductsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="BusinessCombinationConsiderationTransferredNonCompeteAgreement" id="ngl_BusinessCombinationConsiderationTransferredNonCompeteAgreement" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="EnergyRelatedInventoryRefinedProducts" id="ngl_EnergyRelatedInventoryRefinedProducts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="EnergyRelatedInventoryRenewables" id="ngl_EnergyRelatedInventoryRenewables" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="BusinessCombinationRecognizedEmployeeCompensationArrangementsExpense" id="ngl_BusinessCombinationRecognizedEmployeeCompensationArrangementsExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="BusinessCombinationRecognizedEmployeeCompensationArrangementsAdditionalExpenseExpected" id="ngl_BusinessCombinationRecognizedEmployeeCompensationArrangementsAdditionalExpenseExpected" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="SeniorUnsecuredNotesDue2019Member" id="ngl_SeniorUnsecuredNotesDue2019Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SeniorUnsecuredNotesDue2021Member" id="ngl_SeniorUnsecuredNotesDue2021Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SeniorNoteDue2022Member" id="ngl_SeniorNoteDue2022Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="GeneralPartnersCapitalAccountNotionalUnitsMember" id="ngl_GeneralPartnersCapitalAccountNotionalUnitsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SeniorNotes6.875PercentDue2021Member" id="ngl_SeniorNotes6.875PercentDue2021Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="TransMontaignePartnersLPMember" id="ngl_TransMontaignePartnersLPMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="OwnershipInterestInEthanolProcessingPlant" id="ngl_OwnershipInterestInEthanolProcessingPlant" type="num:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SeniorNotes5.125PercentDue2021Member" id="ngl_SeniorNotes5.125PercentDue2021Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FutureAmortizationOfContractualLiabilityRemainderOfFiscalYear" id="ngl_FutureAmortizationOfContractualLiabilityRemainderOfFiscalYear" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="LinefillMember" id="ngl_LinefillMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="TankBottomsMember" id="ngl_TankBottomsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PropertyPlantAndEquipmentStorageCapacity" id="ngl_PropertyPlantAndEquipmentStorageCapacity" type="num:volumeItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="BusinessCombinationNumberForWhichAcquisitionAccountingIsCompleted" id="ngl_BusinessCombinationNumberForWhichAcquisitionAccountingIsCompleted" type="xbrli:integerItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="CondensedStatementOfIncomeCaptionsLineItems" id="ngl_CondensedStatementOfIncomeCaptionsLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NetChangeInAdvancesWithConsolidatedEntities" id="ngl_NetChangeInAdvancesWithConsolidatedEntities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="CondensedStatementOfComprehensiveIncomeTableTextBlock" id="ngl_CondensedStatementOfComprehensiveIncomeTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SeniorUnsecuredNotes5.125PercentDue2021Member" id="ngl_SeniorUnsecuredNotes5.125PercentDue2021Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SeniorUnsecuredNotes6.875PercentDue2021Member" id="ngl_SeniorUnsecuredNotes6.875PercentDue2021Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="UnrecordedUnconditionalPurchaseObligationOutstandingIndexPricePurchaseContractsVolume" id="ngl_UnrecordedUnconditionalPurchaseObligationOutstandingIndexPricePurchaseContractsVolume" type="num:volumeItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="UnrecordedUnconditionalObligationOutstandingIndexPriceSalesContractsVolume" id="ngl_UnrecordedUnconditionalObligationOutstandingIndexPriceSalesContractsVolume" type="num:volumeItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="UnrecordedUnconditionalPurchaseObligationOutstandingIndexPricePurchaseContractsOfVolume1" id="ngl_UnrecordedUnconditionalPurchaseObligationOutstandingIndexPricePurchaseContractsOfVolume1" type="num:volumeItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="UnrecordedUnconditionalPurchaseObligationOutstandingIndexPricePurchaseContracts" id="ngl_UnrecordedUnconditionalPurchaseObligationOutstandingIndexPricePurchaseContracts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="UnrecordedUnconditionalObligationOutstandingIndexPriceSalesContracts" id="ngl_UnrecordedUnconditionalObligationOutstandingIndexPriceSalesContracts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="TransMontaigneIncMember" id="ngl_TransMontaigneIncMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="WaterSolutionsFacilitiesMember" id="ngl_WaterSolutionsFacilitiesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="BusinessAcquisitionNumberOfCombinedWaterDisposalFacilitiesAcquired" id="ngl_BusinessAcquisitionNumberOfCombinedWaterDisposalFacilitiesAcquired" type="xbrli:integerItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="BusinessAcquisitionNumberOfAdditionalWaterDisposalFacilitiesAcquired" id="ngl_BusinessAcquisitionNumberOfAdditionalWaterDisposalFacilitiesAcquired" type="xbrli:integerItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PreviousOwnerOfTransMontaigneIncMember" id="ngl_PreviousOwnerOfTransMontaigneIncMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="BusinessCombinationProposedExchangeOfEquityUnitsOfAcquirerForAUnitOfAcquiree" id="ngl_BusinessCombinationProposedExchangeOfEquityUnitsOfAcquirerForAUnitOfAcquiree" type="xbrli:integerItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="ExecutoryContractsAndOtherAgreementsMember" id="ngl_ExecutoryContractsAndOtherAgreementsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="GainLossOnDispositionOrImpairmentOfAssets" id="ngl_GainLossOnDispositionOrImpairmentOfAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="ContractualObligationTable" id="ngl_ContractualObligationTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PipelineCapacityAgreementsMember" id="ngl_PipelineCapacityAgreementsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ContractualObligationLineItems" id="ngl_ContractualObligationLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DisposalFacilitiesAcquiredUnderOptionAndDevelopmentAgreementsMember" id="ngl_DisposalFacilitiesAcquiredUnderOptionAndDevelopmentAgreementsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="NumberOfTerminalsAcquired" id="ngl_NumberOfTerminalsAcquired" type="xbrli:integerItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="ScheduleOfFairValueOfDebtTableTextBlock" id="ngl_ScheduleOfFairValueOfDebtTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RefinedProductsAndRenewablesSegmentMember" id="ngl_RefinedProductsAndRenewablesSegmentMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RefinedProductsMember" id="ngl_RefinedProductsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RenewablesMember" id="ngl_RenewablesMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="LimitedPartnersCapitalAccountCashDistributionAllocationPercentageToAllUnitholdersOnProRataBasisLevelTwo" id="ngl_LimitedPartnersCapitalAccountCashDistributionAllocationPercentageToAllUnitholdersOnProRataBasisLevelTwo" type="num:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RefinedProductsAndRenewablesTerminalAssetsAndEquipmentMember" id="ngl_RefinedProductsAndRenewablesTerminalAssetsAndEquipmentMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="PipelineCapacityRightsMember" id="ngl_PipelineCapacityRightsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="BostcoMember" id="ngl_BostcoMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="FronteraBrownsvilleLLCMember" id="ngl_FronteraBrownsvilleLLCMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="TerminalFacilityStorageCapacity" id="ngl_TerminalFacilityStorageCapacity" type="num:volumeItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="EquityMethodInvestmentSummarizedFinancialInformationFinancialPositionAbstract" id="ngl_EquityMethodInvestmentSummarizedFinancialInformationFinancialPositionAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLossAllocatedToLimitedPartners" id="ngl_EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLossAllocatedToLimitedPartners" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="PeriodAfterEndOfEachQuarterWithinWhichDistributionIsRequiredToBeMade" id="ngl_PeriodAfterEndOfEachQuarterWithinWhichDistributionIsRequiredToBeMade" type="xbrli:durationItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EnergyRelatedInventoryDistillates" id="ngl_EnergyRelatedInventoryDistillates" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="DebtInstrumentCovenantConsolidatedEBITDA" id="ngl_DebtInstrumentCovenantConsolidatedEBITDA" type="xbrli:pureItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DebtInstrumentCovenantsAcquisitionsAndInvestmentsThatCanBeMadeAsPercentageOfConsolidatedNetTangibleAssetsAndPermittedJointVentureInvestments" id="ngl_DebtInstrumentCovenantsAcquisitionsAndInvestmentsThatCanBeMadeAsPercentageOfConsolidatedNetTangibleAssetsAndPermittedJointVentureInvestments" type="num:percentItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="DebtInstrumentCovenantPermittedJointVentureInvestments" id="ngl_DebtInstrumentCovenantPermittedJointVentureInvestments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="DebtInstrumentCovenantAdditionalPermittedJointVentureInvestments" id="ngl_DebtInstrumentCovenantAdditionalPermittedJointVentureInvestments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="DebtInstrumentCovenantLeverageRatioInEventOfDebtIssuance" id="ngl_DebtInstrumentCovenantLeverageRatioInEventOfDebtIssuance" type="xbrli:pureItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SummaryOfAssetsAndLiabilitiesTableTextBlock" id="ngl_SummaryOfAssetsAndLiabilitiesTableTextBlock" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="AssetsAndLiabilitiesAbstract" id="ngl_AssetsAndLiabilitiesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RefinedProductsTerminalsMember" id="ngl_RefinedProductsTerminalsMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="GrasslAndWaterSolutionsLLCMember" id="ngl_GrasslAndWaterSolutionsLLCMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="RefinedProductsAndRenewablesRevenue" id="ngl_RefinedProductsAndRenewablesRevenue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="CostOfSalesRefinedProductsAndRenewables" id="ngl_CostOfSalesRefinedProductsAndRenewables" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="EnergyRelatedInventoryRenewablesOther" id="ngl_EnergyRelatedInventoryRenewablesOther" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="EquityMethodInvestmentFairValueInExcessOfHistoricalNetBookValue" id="ngl_EquityMethodInvestmentFairValueInExcessOfHistoricalNetBookValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="LiquidatedDamagesAmount" id="ngl_LiquidatedDamagesAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="ProceedsFromDistributionsOfCapitalOfEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital" id="ngl_ProceedsFromDistributionsOfCapitalOfEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="PartnersCapitalAccountDistributionsToNoncontrollingInterestPartners" id="ngl_PartnersCapitalAccountDistributionsToNoncontrollingInterestPartners" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="PartnersCapitalAccountDistributionsToOwners" id="ngl_PartnersCapitalAccountDistributionsToOwners" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element name="BusinessCombinationAccrualRelatedToCrudeOilContracts" id="ngl_BusinessCombinationAccrualRelatedToCrudeOilContracts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="WaterSupplyBusinessMember" id="ngl_WaterSupplyBusinessMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="BusinessAcquisitionPaymentForInventoryPurchased" id="ngl_BusinessAcquisitionPaymentForInventoryPurchased" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="BusinessAcquisitionWorkingCapitalSettlementPayment" id="ngl_BusinessAcquisitionWorkingCapitalSettlementPayment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element name="LineOfCreditFacilityMaximumBorrowingCapacityAsMultiplierOfEBITDA" id="ngl_LineOfCreditFacilityMaximumBorrowingCapacityAsMultiplierOfEBITDA" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="SaleOfNaturalGasLiquidsTerminalMember" id="ngl_SaleOfNaturalGasLiquidsTerminalMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="SignificantAcquisitionsAndDisposalsGainLossOnSaleOrDisposalAllocatedToPropertyPlantAndEquipment" id="ngl_SignificantAcquisitionsAndDisposalsGainLossOnSaleOrDisposalAllocatedToPropertyPlantAndEquipment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="SignificantAcquisitionsAndDisposalsGainLossOnSaleOrDisposalAllocatedToGoodwill" id="ngl_SignificantAcquisitionsAndDisposalsGainLossOnSaleOrDisposalAllocatedToGoodwill" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="EnergyRelatedInventoryOther" id="ngl_EnergyRelatedInventoryOther" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="BusinessAcquisitionAdditionalAmountToBePaid" id="ngl_BusinessAcquisitionAdditionalAmountToBePaid" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="credit" xbrli:periodType="instant" />
  <xsd:element name="OtherLongTermDebtMember" id="ngl_OtherLongTermDebtMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EnergyRelatedInventoryOtherNaturalGasLiquids" id="ngl_EnergyRelatedInventoryOtherNaturalGasLiquids" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" abstract="false" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="EnergyRelatedInventoryButane" id="ngl_EnergyRelatedInventoryButane" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:periodType="instant" />
  <xsd:element name="EthanolProductionFacilityMember" id="ngl_EthanolProductionFacilityMember" type="nonnum:domainItemType" substitutionGroup="xbrli:item" abstract="true" nillable="true" xbrli:periodType="duration" />
  <xsd:element name="EnergyRelatedInventoryOtherRefinedProducts" id="ngl_EnergyRelatedInventoryOtherRefinedProducts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element name="BusinessCombinationTerminationBenefits" id="ngl_BusinessCombinationTerminationBenefits" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" nillable="true" xbrli:balance="debit" xbrli:periodType="duration" />
</xsd:schema>


