<?xml version="1.0" encoding="US-ASCII"?>
<!-- DFIN New ActiveDisclosure (SM) XBRL Schema Document - http://www.dfinsolutions.com/ -->
<!-- Creation Date :2023-08-01T10:34:17.4015+00:00 -->
<!-- Copyright (c) 2023 Donnelly Financial Solutions, Inc. All Rights Reserved. -->
<xsd:schema targetNamespace="http://www.patenergy.com/20230630" attributeFormDefault="unqualified" elementFormDefault="qualified" xmlns:country="http://xbrl.sec.gov/country/2022" xmlns:dtr-types="http://www.xbrl.org/dtr/type/2020-01-21" xmlns:enum2="http://xbrl.org/2020/extensible-enumerations-2.0" xmlns:srt="http://fasb.org/srt/2022" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:us-gaap="http://fasb.org/us-gaap/2022" xmlns:dei="http://xbrl.sec.gov/dei/2022" xmlns:pten="http://www.patenergy.com/20230630" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xlink="http://www.w3.org/1999/xlink">
  <xsd:import schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" namespace="http://www.xbrl.org/2003/instance"/>
  <xsd:import schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" namespace="http://www.xbrl.org/2003/linkbase"/>
  <xsd:import schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd" namespace="http://xbrl.org/2005/xbrldt"/>
  <xsd:import schemaLocation="https://xbrl.sec.gov/dei/2022/dei-2022.xsd" namespace="http://xbrl.sec.gov/dei/2022"/>
  <xsd:import schemaLocation="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd" namespace="http://fasb.org/us-gaap/2022"/>
  <xsd:import schemaLocation="https://xbrl.sec.gov/country/2022/country-2022.xsd" namespace="http://xbrl.sec.gov/country/2022"/>
  <xsd:import schemaLocation="https://www.xbrl.org/dtr/type/2020-01-21/types.xsd" namespace="http://www.xbrl.org/dtr/type/2020-01-21"/>
  <xsd:import schemaLocation="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd" namespace="http://fasb.org/srt/2022"/>
  <xsd:annotation>
    <xsd:appinfo>
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="pten-20230630_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:title="Labels link" xlink:type="simple"/>
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="pten-20230630_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:title="Presentation link" xlink:type="simple"/>
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="pten-20230630_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:title="Definition link" xlink:type="simple"/>
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="pten-20230630_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:title="Calculation link" xlink:type="simple"/>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/Role_DocumentDocumentAndEntityInformation" id="Role_DocumentDocumentAndEntityInformation">
        <link:definition>100000 - Document - Document and Entity Information</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited" id="Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSUnaudited">
        <link:definition>100010 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/DisclosureOtherCurrentAssetsScheduleOfOtherCurrentAssetsDetails2" id="DisclosureOtherCurrentAssetsScheduleOfOtherCurrentAssetsDetails2">
        <link:definition>100020 - Disclosure - Other Current Assets - Schedule of Other Current Assets (Details) 2</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSParentheticalUnaudited" id="Role_StatementCONDENSEDCONSOLIDATEDBALANCESHEETSParentheticalUnaudited">
        <link:definition>100030 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (Unaudited)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited" id="Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFOPERATIONSUnaudited">
        <link:definition>100040 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfComprehensiveIncomeLossUnaudited" id="StatementCondensedConsolidatedStatementsOfComprehensiveIncomeLossUnaudited">
        <link:definition>100050 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Unaudited)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/StatementCondensedConsolidatedStatementsOfComprehensiveIncomeLossParentheticalUnaudited" id="StatementCondensedConsolidatedStatementsOfComprehensiveIncomeLossParentheticalUnaudited">
        <link:definition>100060 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Parenthetical) (Unaudited)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCHANGESINSTOCKHOLDERSEQUITYUnaudited" id="Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCHANGESINSTOCKHOLDERSEQUITYUnaudited">
        <link:definition>100070 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Unaudited)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCHANGESINSTOCKHOLDERSEQUITYUnauditedParenthetical" id="Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCHANGESINSTOCKHOLDERSEQUITYUnauditedParenthetical">
        <link:definition>100080 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Unaudited) (Parenthetical)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited" id="Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSUnaudited">
        <link:definition>100090 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSParentheticalUnaudited" id="Role_StatementCONDENSEDCONSOLIDATEDSTATEMENTSOFCASHFLOWSParentheticalUnaudited">
        <link:definition>100100 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) (Unaudited)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/Role_DisclosureBasisOfPresentation" id="Role_DisclosureBasisOfPresentation">
        <link:definition>100110 - Disclosure - Basis of Presentation</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/DisclosureAcquisition1" id="DisclosureAcquisition1">
        <link:definition>100120 - Disclosure - Acquisition</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/DisclosureBusinessCombination" id="DisclosureBusinessCombination">
        <link:definition>100130 - Disclosure - Business Combination</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/Role_DisclosureRevenues" id="Role_DisclosureRevenues">
        <link:definition>100140 - Disclosure - Revenues</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/Role_DisclosureInventory" id="Role_DisclosureInventory">
        <link:definition>100150 - Disclosure - Inventory</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/DisclosureOtherCurrentAssets" id="DisclosureOtherCurrentAssets">
        <link:definition>100160 - Disclosure - Other Current Assets</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/Role_DisclosurePropertyAndEquipment" id="Role_DisclosurePropertyAndEquipment">
        <link:definition>100170 - Disclosure - Property and Equipment</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/DisclosureIntangibleAssets" id="DisclosureIntangibleAssets">
        <link:definition>100180 - Disclosure - Intangible Assets</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/Role_DisclosureAccruedLiabilities" id="Role_DisclosureAccruedLiabilities">
        <link:definition>100190 - Disclosure - Accrued Liabilities</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/Role_DisclosureLongTermDebt" id="Role_DisclosureLongTermDebt">
        <link:definition>100200 - Disclosure - Long-Term Debt</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/Role_DisclosureCommitmentsAndContingencies" id="Role_DisclosureCommitmentsAndContingencies">
        <link:definition>100210 - Disclosure - Commitments and Contingencies</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/Role_DisclosureStockholdersEquity" id="Role_DisclosureStockholdersEquity">
        <link:definition>100220 - Disclosure - Stockholders' Equity</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/Role_DisclosureStockBasedCompensation" id="Role_DisclosureStockBasedCompensation">
        <link:definition>100230 - Disclosure - Stock-based Compensation</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/Role_DisclosureIncomeTaxes" id="Role_DisclosureIncomeTaxes">
        <link:definition>100240 - Disclosure - Income Taxes</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/Role_DisclosureEarningsPerShare" id="Role_DisclosureEarningsPerShare">
        <link:definition>100250 - Disclosure - Earnings Per Share</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/Role_DisclosureBusinessSegments" id="Role_DisclosureBusinessSegments">
        <link:definition>100260 - Disclosure - Business Segments</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/Role_DisclosureFairValuesOfFinancialInstruments" id="Role_DisclosureFairValuesOfFinancialInstruments">
        <link:definition>100270 - Disclosure - Fair Values of Financial Instruments</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/Role_DisclosureRestructuringExpenses" id="Role_DisclosureRestructuringExpenses">
        <link:definition>100280 - Disclosure - Restructuring Expenses</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/Role_DisclosureSubsequentEvent" id="Role_DisclosureSubsequentEvent">
        <link:definition>100290 - Disclosure - Subsequent Event</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/Role_DisclosureBasisOfPresentationPolicies" id="Role_DisclosureBasisOfPresentationPolicies">
        <link:definition>100300 - Disclosure - Basis of Presentation (Policies)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/DisclosureAcquisitionAndDiscontinuedOperationsTables" id="DisclosureAcquisitionAndDiscontinuedOperationsTables">
        <link:definition>100310 - Disclosure - Acquisition and Discontinued Operations (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/Role_DisclosureInventoryTables" id="Role_DisclosureInventoryTables">
        <link:definition>100320 - Disclosure - Inventory (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/DisclosureOtherCurrentAssetsTables" id="DisclosureOtherCurrentAssetsTables">
        <link:definition>100330 - Disclosure - Other Current Assets (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/Role_DisclosurePropertyAndEquipmentTables" id="Role_DisclosurePropertyAndEquipmentTables">
        <link:definition>100340 - Disclosure - Property and Equipment (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/DisclosureIntangibleAssetsTables" id="DisclosureIntangibleAssetsTables">
        <link:definition>100350 - Disclosure - Intangible Assets (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/Role_DisclosureAccruedLiabilitiesTables" id="Role_DisclosureAccruedLiabilitiesTables">
        <link:definition>100360 - Disclosure - Accrued Liabilities (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/Role_DisclosureLongTermDebtTables" id="Role_DisclosureLongTermDebtTables">
        <link:definition>100370 - Disclosure - Long-Term Debt (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/Role_DisclosureStockholdersEquityTables" id="Role_DisclosureStockholdersEquityTables">
        <link:definition>100380 - Disclosure - Stockholders' Equity (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/Role_DisclosureStockBasedCompensationTables" id="Role_DisclosureStockBasedCompensationTables">
        <link:definition>100390 - Disclosure - Stock-based Compensation (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/Role_DisclosureEarningsPerShareTables" id="Role_DisclosureEarningsPerShareTables">
        <link:definition>100400 - Disclosure - Earnings Per Share (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/Role_DisclosureBusinessSegmentsTables" id="Role_DisclosureBusinessSegmentsTables">
        <link:definition>100410 - Disclosure - Business Segments (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/Role_DisclosureFairValuesOfFinancialInstrumentsTables" id="Role_DisclosureFairValuesOfFinancialInstrumentsTables">
        <link:definition>100420 - Disclosure - Fair Values of Financial Instruments (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/Role_DisclosureRestructuringExpensesTables" id="Role_DisclosureRestructuringExpensesTables">
        <link:definition>100430 - Disclosure - Restructuring Expenses (Tables)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/DisclosureBasisOfPresentationAdditionalInformationDetail" id="DisclosureBasisOfPresentationAdditionalInformationDetail">
        <link:definition>100440 - Disclosure - Basis of Presentation - Additional Information (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/DisclosureAcquisitionAdditionalInformationDetails" id="DisclosureAcquisitionAdditionalInformationDetails">
        <link:definition>100450 - Disclosure - Acquisition - Additional Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/DisclosureBusinessCombinationAdditionalInformationDetails" id="DisclosureBusinessCombinationAdditionalInformationDetails">
        <link:definition>100460 - Disclosure - Business Combination (Additional Information) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/DisclosureAcquisitionAndDiscontinuedOperationsScheduleOfFairValueOfConsiderationTransferredDetails" id="DisclosureAcquisitionAndDiscontinuedOperationsScheduleOfFairValueOfConsiderationTransferredDetails">
        <link:definition>100470 - Disclosure - Acquisition and Discontinued Operations - Schedule of Fair Value of Consideration Transferred (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/DisclosureAcquisitionAndDiscontinuedOperationsScheduleOfTotalPurchasePriceOfAssetsAcquiredAndLiabilitiesAssumedBasedOnFairValueDetails" id="DisclosureAcquisitionAndDiscontinuedOperationsScheduleOfTotalPurchasePriceOfAssetsAcquiredAndLiabilitiesAssumedBasedOnFairValueDetails">
        <link:definition>100480 - Disclosure - Acquisition and Discontinued Operations - Schedule of Total Purchase Price of Assets Acquired and Liabilities Assumed Based on Fair Value (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/DisclosureAcquisitionAndDiscontinuedOperationsSummaryOfFairValueConsiderationTransferredHasBeenProvisionallyAssignedToIdentifiableIntangible" id="DisclosureAcquisitionAndDiscontinuedOperationsSummaryOfFairValueConsiderationTransferredHasBeenProvisionallyAssignedToIdentifiableIntangible">
        <link:definition>100490 - Disclosure - Acquisition and Discontinued Operations - Summary of Fair Value Consideration Transferred Has Been Provisionally Assigned to Identifiable Intangible Assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/DisclosureAcquisitionAndDiscontinuedOperationsScheduleOfProFormaInformationDetails" id="DisclosureAcquisitionAndDiscontinuedOperationsScheduleOfProFormaInformationDetails">
        <link:definition>100500 - Disclosure - Acquisition and Discontinued Operations - Schedule of Pro Forma Information (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/DisclosureAcquisitionAndDiscontinuedOperationsScheduleOfOperatingResultsFromDiscontinuedOperationsDetails" id="DisclosureAcquisitionAndDiscontinuedOperationsScheduleOfOperatingResultsFromDiscontinuedOperationsDetails">
        <link:definition>100510 - Disclosure - Acquisition and Discontinued Operations - Schedule of Operating Results from Discontinued Operations (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/Role_DisclosureRevenuesAdditionalInformationDetail" id="Role_DisclosureRevenuesAdditionalInformationDetail">
        <link:definition>100520 - Disclosure - Revenues - Additional Information (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/Role_DisclosureInventoryDetail" id="Role_DisclosureInventoryDetail">
        <link:definition>100530 - Disclosure - Inventory (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/DisclosureOtherCurrentAssetsScheduleOfOtherCurrentAssetsDetails" id="DisclosureOtherCurrentAssetsScheduleOfOtherCurrentAssetsDetails">
        <link:definition>100540 - Disclosure - Other Current Assets - Schedule of Other Current Assets (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/Role_DisclosurePropertyAndEquipmentDetail" id="Role_DisclosurePropertyAndEquipmentDetail">
        <link:definition>100550 - Disclosure - Property and Equipment (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/Role_DisclosurePropertyAndEquipmentAdditionalInformationDetail" id="Role_DisclosurePropertyAndEquipmentAdditionalInformationDetail">
        <link:definition>100560 - Disclosure - Property and Equipment - Additional Information (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/DisclosureIntangibleAssetsAdditionalInformationDetail" id="DisclosureIntangibleAssetsAdditionalInformationDetail">
        <link:definition>100570 - Disclosure - Intangible Assets - Additional Information (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/Role_DisclosureGrossCarryingAmountAndAccumulatedAmortizationOfIntangibleAssetsDetail" id="Role_DisclosureGrossCarryingAmountAndAccumulatedAmortizationOfIntangibleAssetsDetail">
        <link:definition>100580 - Disclosure - Gross Carrying Amount and Accumulated Amortization of Intangible Assets (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/Role_DisclosureSummaryOfAccruedLiabilitiesDetail" id="Role_DisclosureSummaryOfAccruedLiabilitiesDetail">
        <link:definition>100590 - Disclosure - Summary of Accrued Liabilities (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/Role_DisclosureSummaryOfLongTermDebtDetail" id="Role_DisclosureSummaryOfLongTermDebtDetail">
        <link:definition>100600 - Disclosure - Summary of Long Term Debt (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/Role_DisclosureSummaryOfLongTermDebtParentheticalDetail" id="Role_DisclosureSummaryOfLongTermDebtParentheticalDetail">
        <link:definition>100610 - Disclosure - Summary of Long Term Debt (Parenthetical ) (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/Role_DisclosureLongTermDebtCreditFacilitiesAdditionalInformationDetail" id="Role_DisclosureLongTermDebtCreditFacilitiesAdditionalInformationDetail">
        <link:definition>100620 - Disclosure - Long-Term Debt - Credit Facilities - Additional Information (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/Role_DisclosureLongTermDebtSeniorNotesAdditionalInformationDetail" id="Role_DisclosureLongTermDebtSeniorNotesAdditionalInformationDetail">
        <link:definition>100630 - Disclosure - Long-Term Debt - Senior Notes - Additional Information (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/Role_DisclosureScheduleOfPrincipalRepaymentRequirementsOfLongTermDebtDetail" id="Role_DisclosureScheduleOfPrincipalRepaymentRequirementsOfLongTermDebtDetail">
        <link:definition>100640 - Disclosure - Schedule of Principal Repayment Requirements of Long-Term Debt (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail" id="Role_DisclosureCommitmentsAndContingenciesAdditionalInformationDetail">
        <link:definition>100650 - Disclosure - Commitments and Contingencies - Additional Information (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/Role_DisclosureStockholdersEquityAdditionalInformationDetail" id="Role_DisclosureStockholdersEquityAdditionalInformationDetail">
        <link:definition>100660 - Disclosure - Stockholders' Equity - Additional Information (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/DisclosureStockholdersEquityTreasuryStockAcquisitionDetail" id="DisclosureStockholdersEquityTreasuryStockAcquisitionDetail">
        <link:definition>100670 - Disclosure - Stockholders' Equity - Treasury Stock Acquisition (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/Role_DisclosureStockBasedCompensationAdditionalInformationDetail" id="Role_DisclosureStockBasedCompensationAdditionalInformationDetail">
        <link:definition>100680 - Disclosure - Stock-based Compensation - Additional Information (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/DisclosureStockbasedCompensationStockOptionActivityDetail" id="DisclosureStockbasedCompensationStockOptionActivityDetail">
        <link:definition>100690 - Disclosure - Stock-based Compensation - Stock Option Activity (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/DisclosureStockbasedCompensationRestrictedStockUnitActivityDetail" id="DisclosureStockbasedCompensationRestrictedStockUnitActivityDetail">
        <link:definition>100700 - Disclosure - Stock-based Compensation - Restricted Stock Unit Activity (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/DisclosureStockbasedCompensationPerformanceUnitsDetail" id="DisclosureStockbasedCompensationPerformanceUnitsDetail">
        <link:definition>100710 - Disclosure - Stock-based Compensation - Performance Units (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/DisclosureStockbasedCompensationFairValueOfPerformanceUnitsDetail" id="DisclosureStockbasedCompensationFairValueOfPerformanceUnitsDetail">
        <link:definition>100720 - Disclosure - Stock-based Compensation - Fair Value of Performance Units (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/DisclosureStockbasedCompensationCompensationExpenseAssociatedWithPerformanceUnitsDetail" id="DisclosureStockbasedCompensationCompensationExpenseAssociatedWithPerformanceUnitsDetail">
        <link:definition>100730 - Disclosure - Stock-based Compensation - Compensation Expense Associated with Performance Units (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetail" id="Role_DisclosureIncomeTaxesAdditionalInformationDetail">
        <link:definition>100740 - Disclosure - Income Taxes - Additional Information (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/Role_DisclosureEarningsPerShareCalculationOfBasicAndDilutedNetLossPerShareDetail" id="Role_DisclosureEarningsPerShareCalculationOfBasicAndDilutedNetLossPerShareDetail">
        <link:definition>100750 - Disclosure - Earnings Per Share - Calculation of Basic and Diluted Net Loss per Share (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/Role_DisclosureBusinessSegmentsAdditionalInformationDetail" id="Role_DisclosureBusinessSegmentsAdditionalInformationDetail">
        <link:definition>100760 - Disclosure - Business Segments - Additional Information (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/Role_DisclosureBusinessSegmentsRevenuesDetail" id="Role_DisclosureBusinessSegmentsRevenuesDetail">
        <link:definition>100770 - Disclosure - Business Segments - Revenues (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/Role_DisclosureBusinessSegmentsIncomeLossBeforeIncomeTaxesDetail" id="Role_DisclosureBusinessSegmentsIncomeLossBeforeIncomeTaxesDetail">
        <link:definition>100780 - Disclosure - Business Segments - Income (Loss) Before Income Taxes (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/Role_DisclosureBusinessSegmentsDepreciationDepletionAmortizationAndImpairmentDetail" id="Role_DisclosureBusinessSegmentsDepreciationDepletionAmortizationAndImpairmentDetail">
        <link:definition>100790 - Disclosure - Business Segments - Depreciation, Depletion, Amortization and Impairment (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/Role_DisclosureBusinessSegmentsCapitalExpendituresDetail" id="Role_DisclosureBusinessSegmentsCapitalExpendituresDetail">
        <link:definition>100800 - Disclosure - Business Segments - Capital Expenditures (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/Role_DisclosureBusinessSegmentsIdentifiableAssetsDetail" id="Role_DisclosureBusinessSegmentsIdentifiableAssetsDetail">
        <link:definition>100810 - Disclosure - Business Segments - Identifiable Assets (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/Role_DisclosureEstimatedFairValueOfOutstandingDebtBalancesDetail" id="Role_DisclosureEstimatedFairValueOfOutstandingDebtBalancesDetail">
        <link:definition>100820 - Disclosure - Estimated Fair Value of Outstanding Debt Balances (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/Role_DisclosureFairValuesOfFinancialInstrumentsAdditionalInformationDetail" id="Role_DisclosureFairValuesOfFinancialInstrumentsAdditionalInformationDetail">
        <link:definition>100830 - Disclosure - Fair Values of Financial Instruments - Additional Information (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/Role_DisclosureRestructuringExpensesAdditionalInformationDetail" id="Role_DisclosureRestructuringExpensesAdditionalInformationDetail">
        <link:definition>100840 - Disclosure - Restructuring Expenses - Additional Information (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/Role_DisclosureRestructuringExpensesRestructuringExpensesByReportableSegmentDetail" id="Role_DisclosureRestructuringExpensesRestructuringExpensesByReportableSegmentDetail">
        <link:definition>100850 - Disclosure - Restructuring Expenses - Restructuring Expenses by Reportable Segment (Detail)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:roleType roleURI="http://www.patenergy.com/20230630/taxonomy/role/DisclosureSubsequentEventAdditionalInformationDetails" id="DisclosureSubsequentEventAdditionalInformationDetails">
        <link:definition>100860 - Disclosure - Subsequent Event (Additional Information) (Details)</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
    </xsd:appinfo>
  </xsd:annotation>
  <xsd:element id="pten_DirectionalDrillingMember" name="DirectionalDrillingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pten_LineOfCreditFacilityAdditionalBorrowingCapacity" name="LineOfCreditFacilityAdditionalBorrowingCapacity" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pten_ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformancePeriod" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformancePeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pten_TimeBasedRestrictedStockUnitsMember" name="TimeBasedRestrictedStockUnitsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pten_SubjectToCustomaryConditionsMember" name="SubjectToCustomaryConditionsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pten_ContractDrillingMember" name="ContractDrillingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pten_ReimbursementAgreementMember" name="ReimbursementAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pten_YearTwentyTwentyOneMember" name="YearTwentyTwentyOneMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pten_DebtServiceCoverageRatio" name="DebtServiceCoverageRatio" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pten_WirelineMember" name="WirelineMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pten_FairValueConsiderationTransferredHasBeenProvisionallyAssignedToIdentifiableIntangibleAssets" name="FairValueConsiderationTransferredHasBeenProvisionallyAssignedToIdentifiableIntangibleAssets" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pten_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredIncomeTaxes" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredIncomeTaxes" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pten_TwoThousandTwentyOneLongTermIncentivePlanMember" name="TwoThousandTwentyOneLongTermIncentivePlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pten_OtherMember" name="OtherMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pten_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfaction" name="RevenueRemainingPerformanceObligationExpectedTimingOfSatisfaction" type="xbrli:dateItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="pten_NextierOilfieldSolutionsIncMember" name="NextierOilfieldSolutionsIncMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pten_StockRepurchasePlanMember" name="StockRepurchasePlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pten_YearTwoThousandTwentyThreeMember" name="YearTwoThousandTwentyThreeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pten_AccruedRestructuringExpenseCurrent" name="AccruedRestructuringExpenseCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pten_DebtInstrumentMaturity" name="DebtInstrumentMaturity" type="xbrli:gYearMonthItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pten_CashPaidForAcquisition" name="CashPaidForAcquisition" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pten_NextierCommonStockMember" name="NextierCommonStockMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pten_AccruedMergerAndIntegrationExpenses" name="AccruedMergerAndIntegrationExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pten_NextierMergerAgreementMember" name="NextierMergerAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pten_ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformanceCompletionYear" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardPerformanceCompletionYear" type="xbrli:gYearItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pten_NetDecreaseIncreaseInDepositsOnEquipmentPurchases" name="NetDecreaseIncreaseInDepositsOnEquipmentPurchases" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pten_UlterraMergerAgreementMember" name="UlterraMergerAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pten_StockIssuedDuringPeriodSharesIssuedForSettlement" name="StockIssuedDuringPeriodSharesIssuedForSettlement" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pten_YearTwentyTwentyMember" name="YearTwentyTwentyMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pten_HeldForSaleAsset" name="HeldForSaleAsset" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pten_PattersonUtiCommonStockMember" name="PattersonUtiCommonStockMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pten_YearTwentyNineteenMember" name="YearTwentyNineteenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pten_GoodwillAndIntangibleAssetsDisclosureTable" name="GoodwillAndIntangibleAssetsDisclosureTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pten_RevolvingCreditFacilityOneMember" name="RevolvingCreditFacilityOneMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pten_IncreaseDecreaseInPayablesRelatedToPurchasesOfPropertyAndEquipment" name="IncreaseDecreaseInPayablesRelatedToPurchasesOfPropertyAndEquipment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pten_StockIssuedOrVestedDuringPeriodValueStockAwards" name="StockIssuedOrVestedDuringPeriodValueStockAwards" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pten_OtherOperationMember" name="OtherOperationMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pten_CashlessExerciseOfStockOptions" name="CashlessExerciseOfStockOptions" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pten_DebtInstrumentNumberOfOptionalExtensionsToInitialMaturityDate" name="DebtInstrumentNumberOfOptionalExtensionsToInitialMaturityDate" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="pten_WorkersCompensationReceivable" name="WorkersCompensationReceivable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pten_AccountsReceivablePaymentTerms" name="AccountsReceivablePaymentTerms" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pten_BusinessCombinationNumberOfServicesAssetsUnitsAcquired" name="BusinessCombinationNumberOfServicesAssetsUnitsAcquired" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pten_ReleaseOfCumulativeTranslationAdjustment" name="ReleaseOfCumulativeTranslationAdjustment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pten_TaxImpactChangesInDeferredTaxLiabilities" name="TaxImpactChangesInDeferredTaxLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pten_LongTermIncentivePlanMember" name="LongTermIncentivePlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pten_GoodwillAndIntangibleAssetsDisclosureLineItems" name="GoodwillAndIntangibleAssetsDisclosureLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pten_CreditAgreementMember" name="CreditAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pten_AcquisitionsAndDiscontinuedOperationsAbstract" name="AcquisitionsAndDiscontinuedOperationsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pten_SharesAvailableForIssuance" name="SharesAvailableForIssuance" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="pten_FivePointOneFivePercentSeniorNotesMember" name="FivePointOneFivePercentSeniorNotesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pten_ContractTerminationCosts" name="ContractTerminationCosts" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pten_DebtInstrumentRedemptionPricePercentageOnChangeOfControl" name="DebtInstrumentRedemptionPricePercentageOnChangeOfControl" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pten_AcquisitionsAndDiscontinuedOperationsTextBlock" name="AcquisitionsAndDiscontinuedOperationsTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pten_DebtInstrumentRedemptionPricePercentageOnChangeOfControlDescription" name="DebtInstrumentRedemptionPricePercentageOnChangeOfControlDescription" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pten_DeployedCapacity" name="DeployedCapacity" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pten_BusinessAcquisitionProportionOfCommonStockSharesReceived" name="BusinessAcquisitionProportionOfCommonStockSharesReceived" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pten_TwoThousandTwentyEightNotesMember" name="TwoThousandTwentyEightNotesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pten_DebtInstrumentInitialMaturityDateOptionalExtensionPeriod" name="DebtInstrumentInitialMaturityDateOptionalExtensionPeriod" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pten_FederalAndStateIncomeTaxesPayable" name="FederalAndStateIncomeTaxesPayable" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pten_AccruedSalariesWagesPayrollTaxesAndBenefitsCurrent" name="AccruedSalariesWagesPayrollTaxesAndBenefitsCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pten_PioneerEnergyServicesCorpMember" name="PioneerEnergyServicesCorpMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pten_ConsolidatedDebtAsPercentageOfCapitalization" name="ConsolidatedDebtAsPercentageOfCapitalization" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pten_PressurePumpingMember" name="PressurePumpingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pten_TwoThousandTwentyNineNotesMember" name="TwoThousandTwentyNineNotesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pten_ChiefExecutiveOfficerAndPresidentMember" name="ChiefExecutiveOfficerAndPresidentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pten_WellServicingMember" name="WellServicingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pten_AmendedAndRestatedCreditAgreementMember" name="AmendedAndRestatedCreditAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pten_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageRemainingVestingTerm" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageRemainingVestingTerm" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pten_PerformanceBasedRestrictedStockUnitsMember" name="PerformanceBasedRestrictedStockUnitsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pten_ThreePointNineFivePercentSeniorNotesMember" name="ThreePointNineFivePercentSeniorNotesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pten_RightOfUseAssetAbandonments" name="RightOfUseAssetAbandonments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pten_ShareBasedCompensationArrangementByShareBasedPaymentAwardGrantDateFairValueOfAwards" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardGrantDateFairValueOfAwards" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pten_AmountOutstandingForDebtInstrument" name="AmountOutstandingForDebtInstrument" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pten_DepreciationDepletionAmortizationAndImpairment" name="DepreciationDepletionAmortizationAndImpairment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pten_ThreePointNineFivePercentSeniorNotesDueJanuaryTwoThousandTwentyEightMember" name="ThreePointNineFivePercentSeniorNotesDueJanuaryTwoThousandTwentyEightMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pten_DividendEquivalents" name="DividendEquivalents" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pten_TreasuryStockOther" name="TreasuryStockOther" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pten_WirelineServiceUnitMember" name="WirelineServiceUnitMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pten_ThreePointEightSevenPercentSeniorNotesDueJanuaryTwoThousandTwentyEightMember" name="ThreePointEightSevenPercentSeniorNotesDueJanuaryTwoThousandTwentyEightMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pten_ScrRigsMember" name="ScrRigsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pten_ReleaseOfCumulativeTranslationAdjustmentNetIncomeLoss" name="ReleaseOfCumulativeTranslationAdjustmentNetIncomeLoss" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pten_AcquisitionsAndDiscontinuedOperationsLineItems" name="AcquisitionsAndDiscontinuedOperationsLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pten_PercentageOfShareholders" name="PercentageOfShareholders" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="pten_DepreciationAmortizationAndImpairment" name="DepreciationAmortizationAndImpairment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pten_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayableAndAccruedLiabilities" name="BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayableAndAccruedLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pten_CashPaidRefundedDuringPeriodForAbstract" name="CashPaidRefundedDuringPeriodForAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pten_AmendmentAndRestatementOfTwentyFourteenPlanMember" name="AmendmentAndRestatementOfTwentyFourteenPlanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pten_TreasuryStockShareOther" name="TreasuryStockShareOther" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pten_DeferredMobilizationPaymentsMember" name="DeferredMobilizationPaymentsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pten_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueTableTextBlock" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pten_RevolvingCreditFacilityTwoMember" name="RevolvingCreditFacilityTwoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pten_BusinessCombinationNumberOfUnitsAcquired" name="BusinessCombinationNumberOfUnitsAcquired" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pten_FivePointOneFivePercentSeniorNotesDueNovemberTwoThousandTwentyNineMember" name="FivePointOneFivePercentSeniorNotesDueNovemberTwoThousandTwentyNineMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pten_PreferredStockExercisePricePerRight" name="PreferredStockExercisePricePerRight" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="pten_AmountOfSharesRepurchase" name="AmountOfSharesRepurchase" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="pten_SwingLineFacilityMember" name="SwingLineFacilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pten_ConditionOneMember" name="ConditionOneMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pten_ExpirePeriodOfRightAgreement" name="ExpirePeriodOfRightAgreement" type="xbrli:dateItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pten_YearTwentySeventeenMember" name="YearTwentySeventeenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pten_AccruedCustomerPrepaymentCurrent" name="AccruedCustomerPrepaymentCurrent" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pten_RigsAndSpareRigComponentsThatWouldNoLongerBeMarketedMember" name="RigsAndSpareRigComponentsThatWouldNoLongerBeMarketedMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pten_PerformanceAwardTargetNumberOfShares" name="PerformanceAwardTargetNumberOfShares" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pten_OtherOperationsMember" name="OtherOperationsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pten_ProportionOfSharesReceived" name="ProportionOfSharesReceived" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="pten_TermLoanAgreementMember" name="TermLoanAgreementMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pten_NumberOfRigs" name="NumberOfRigs" type="xbrli:integerItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="pten_StockRepurchaseProgramIncreaseDecreaseInAuthorizedAmount" name="StockRepurchaseProgramIncreaseDecreaseInAuthorizedAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pten_AmortizedRevenueFromContractWithCustomerExcludingAssessedTax" name="AmortizedRevenueFromContractWithCustomerExcludingAssessedTax" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pten_YearTwentyEighteenMember" name="YearTwentyEighteenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pten_YearTwentyTwentyTwoMember" name="YearTwentyTwentyTwoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pten_MinimumPercentageOfFairValueTransactionsCorroboratedUsingObservableMarketInputsRequiredForLevelTwo" name="MinimumPercentageOfFairValueTransactionsCorroboratedUsingObservableMarketInputsRequiredForLevelTwo" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="pten_ReleaseOfCumulativeTranslationAdjustmentPreTaxGain" name="ReleaseOfCumulativeTranslationAdjustmentPreTaxGain" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="pten_AcRigsMember" name="AcRigsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="pten_BusinesscombinationrecognizedidentifiableassetsacquiredandliabilitiesassumedheldForSaleLiabilities" name="BusinesscombinationrecognizedidentifiableassetsacquiredandliabilitiesassumedheldForSaleLiabilities" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
</xsd:schema>
