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  <xsd:element id="hal_TreasuryStockValueAcquiredCostMethodFromInception" name="TreasuryStockValueAcquiredCostMethodFromInception" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="hal_UnitedKingdomPensionPlanMember" name="UnitedKingdomPensionPlanMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element id="hal_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccruedDecreasesResultingFromSettlementsWithTaxingAuthorities" name="UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccruedDecreasesResultingFromSettlementsWithTaxingAuthorities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="hal_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccruedIncreaseDecreaseResultingFromCurrentPeriodTaxPositions" name="UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccruedIncreaseDecreaseResultingFromCurrentPeriodTaxPositions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="hal_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccruedIncreaseDecreaseResultingFromPriorPeriodTaxPositions" name="UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccruedIncreaseDecreaseResultingFromPriorPeriodTaxPositions" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="credit" xbrli:periodType="duration" />
  <xsd:element id="hal_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccruedReductionsResultingFromLapseOfApplicableStatuteOfLimitations" name="UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccruedReductionsResultingFromLapseOfApplicableStatuteOfLimitations" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="hal_VenezuelaNetInvestment" name="VenezuelaNetInvestment" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element id="hal_Venezuelaaggregatecharges" name="Venezuelaaggregatecharges" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="duration" />
  <xsd:element id="hal_Venezuelatradereceivablesexchangedforpromissorynote" name="Venezuelatradereceivablesexchangedforpromissorynote" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" xbrli:balance="debit" xbrli:periodType="instant" />
  <xsd:element abstract="true" id="hal_WeightedaveragesharesoutstandingandantidilutivesharesLineItems" name="WeightedaveragesharesoutstandingandantidilutivesharesLineItems" nillable="true" substitutionGroup="xbrli:item" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="hal_WeightedaveragesharesoutstandingandantidilutivesharesTable" name="WeightedaveragesharesoutstandingandantidilutivesharesTable" nillable="true" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType" xbrli:periodType="duration" />
  <xsd:element id="hal_WeightedaveragesharesoutstandingandantidilutivesharesTableTextBlock" name="WeightedaveragesharesoutstandingandantidilutivesharesTableTextBlock" nillable="true" substitutionGroup="xbrli:item" type="nonnum:textBlockItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="hal_Years20182022Domain" name="Years20182022Domain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="hal_Years20232027Domain" name="Years20232027Domain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="hal_Years20282037Domain" name="Years20282037Domain" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="hal_YearsDepreciated11Through20YearsMember" name="YearsDepreciated11Through20YearsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="hal_YearsDepreciated1Through10YearsMember" name="YearsDepreciated1Through10YearsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="hal_YearsDepreciated1Through5YearsMember" name="YearsDepreciated1Through5YearsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="hal_YearsDepreciated21Through30YearsMember" name="YearsDepreciated21Through30YearsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="hal_YearsDepreciated31Through40YearsMember" name="YearsDepreciated31Through40YearsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
  <xsd:element abstract="true" id="hal_YearsDepreciated6Through10YearsMember" name="YearsDepreciated6Through10YearsMember" nillable="true" substitutionGroup="xbrli:item" type="nonnum:domainItemType" xbrli:periodType="duration" />
</xsd:schema>
