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  <xs:element id="nr_ProceedsFromDivestitureOfBusinessPreClosingTaxAssets" abstract="false" name="ProceedsFromDivestitureOfBusinessPreClosingTaxAssets" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="nr_DisposalGroupIncludingDiscontinuedOperationsLiabilitiesDueToPurchaser" abstract="false" name="DisposalGroupIncludingDiscontinuedOperationsLiabilitiesDueToPurchaser" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="nr_DisposalGroupIncludingDiscontinuedOperationsReceivableDueFromPurchaser" abstract="false" name="DisposalGroupIncludingDiscontinuedOperationsReceivableDueFromPurchaser" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="nr_DisposalGroupIncludingDiscontinuedOperationsPayables" abstract="false" name="DisposalGroupIncludingDiscontinuedOperationsPayables" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="nr_DisposalGroupIncludingDiscontinuedOperationsContractualIndemnifications" abstract="false" name="DisposalGroupIncludingDiscontinuedOperationsContractualIndemnifications" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="nr_DiscontinuedOperationGainLossOnResolutionOfContractualIndemnifications" abstract="false" name="DiscontinuedOperationGainLossOnResolutionOfContractualIndemnifications" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="nr_ShareRepurchaseProgramMember" abstract="true" name="ShareRepurchaseProgramMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nr_The2015PlanMember" abstract="true" name="The2015PlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nr_The2014DirectorPlanMember" abstract="true" name="The2014DirectorPlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nr_A2026AwardsMember" abstract="true" name="A2026AwardsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nr_A2027AwardsMember" abstract="true" name="A2027AwardsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nr_A2028AwardsMember" abstract="true" name="A2028AwardsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nr_PerformanceBasedRestrictedStockUnitsMember" abstract="true" name="PerformanceBasedRestrictedStockUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nr_PerformanceBasedRestrictedStockUnitsTSRPortionMember" abstract="true" name="PerformanceBasedRestrictedStockUnitsTSRPortionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nr_PerformanceBasedRestrictedStockUnitsRONCEPortionMember" abstract="true" name="PerformanceBasedRestrictedStockUnitsRONCEPortionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nr_ExecutiveOfficerAndKeyEmployeesMember" abstract="true" name="ExecutiveOfficerAndKeyEmployeesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nr_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfOutstandingStockMinimum" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentageOfOutstandingStockMinimum" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="nr_ShareBasedPaymentArrangementSettlementBasedOnTotalShareholderReturnPercentage" abstract="false" name="ShareBasedPaymentArrangementSettlementBasedOnTotalShareholderReturnPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="nr_ShareBasedPaymentArrangementReturnOnNetCapitalEmployedPercentage" abstract="false" name="ShareBasedPaymentArrangementReturnOnNetCapitalEmployedPercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="nr_DisposalGroupIncludingDiscontinuedOperationOtherReceivables" abstract="false" name="DisposalGroupIncludingDiscontinuedOperationOtherReceivables" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="nr_AccountsReceivableCreditLossExpenseReversalContinuingOperations" abstract="false" name="AccountsReceivableCreditLossExpenseReversalContinuingOperations" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="nr_AllowanceForDoubtfulAccountsReceivableWriteOffsNetOfRecoveriesAndOther" abstract="false" name="AllowanceForDoubtfulAccountsReceivableWriteOffsNetOfRecoveriesAndOther" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="nr_FinanceLeasesMember" abstract="true" name="FinanceLeasesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nr_LongtermDebtCurrentMaturitiesGross" abstract="false" name="LongtermDebtCurrentMaturitiesGross" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="nr_DebtInstrumentUnamortizedDiscountPremiumandDebtIssuanceCostsNetCurrent" abstract="false" name="DebtInstrumentUnamortizedDiscountPremiumandDebtIssuanceCostsNetCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="nr_LongtermDebtExcludingCurrentMaturitiesGross" abstract="false" name="LongtermDebtExcludingCurrentMaturitiesGross" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="nr_DebtInstrumentUnamortizedDiscountPremiumandDebtIssuanceCostsNetNoncurrent" abstract="false" name="DebtInstrumentUnamortizedDiscountPremiumandDebtIssuanceCostsNetNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="nr_LineOfCreditFacilityAccordionFeatureIncreaseLimit" abstract="false" name="LineOfCreditFacilityAccordionFeatureIncreaseLimit" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="nr_InterestPaidReceivedExcludingCapitalizedInterestOperatingActivity" abstract="false" name="InterestPaidReceivedExcludingCapitalizedInterestOperatingActivity" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="nr_MatRentalServicesMember" abstract="true" name="MatRentalServicesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nr_IndustrialSolutionMember" abstract="true" name="IndustrialSolutionMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nr_RentalRevenueMember" abstract="true" name="RentalRevenueMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="nr_RoseRobesonMember" abstract="true" name="RoseRobesonMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
</xs:schema>
