<?xml version='1.0' encoding='UTF-8'?>
<FilingSummary>
  <Version>3.3.1.900</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>123</ContextCount>
  <ElementCount>261</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>40</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>5</UnitCount>
  <MyReports>
    <Report instance="ptrc-20160131.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>00000001 - Document - Document and Entity Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://petroriveroil.com/role/DocumentAndEntityInformation</Role>
      <ShortName>Document and Entity Information</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="ptrc-20160131.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>00000002 - Statement - Consolidated Balance Sheets (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://petroriveroil.com/role/BalanceSheets</Role>
      <ShortName>Consolidated Balance Sheets (Unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="ptrc-20160131.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>00000003 - Statement - Consolidated Balance Sheets (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://petroriveroil.com/role/BalanceSheetsParenthetical</Role>
      <ShortName>Consolidated Balance Sheets (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="ptrc-20160131.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>00000004 - Statement - Consolidated Statements of Operations</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://petroriveroil.com/role/StatementsOfOperations</Role>
      <ShortName>Consolidated Statements of Operations</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="ptrc-20160131.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>00000005 - Statement - Consolidated Statements of Cash Flows (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://petroriveroil.com/role/StatementsOfCashFlows</Role>
      <ShortName>Consolidated Statements of Cash Flows (Unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="ptrc-20160131.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>00000006 - Disclosure - Organization</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://petroriveroil.com/role/Organization</Role>
      <ShortName>Organization</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="ptrc-20160131.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>00000007 - Disclosure - Basis of Preparation</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://petroriveroil.com/role/BasisOfPreparation</Role>
      <ShortName>Basis of Preparation</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="ptrc-20160131.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>00000008 - Disclosure - Significant Accounting Policies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://petroriveroil.com/role/SignificantAccountingPolicies</Role>
      <ShortName>Significant Accounting Policies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="ptrc-20160131.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>00000009 - Disclosure - Business Acquisitions</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://petroriveroil.com/role/BusinessAcquisitions</Role>
      <ShortName>Business Acquisitions</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="ptrc-20160131.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>00000010 - Disclosure - Accounts Receivable - Related Party</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://petroriveroil.com/role/AccountsReceivable-RelatedParty</Role>
      <ShortName>Accounts Receivable - Related Party</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="ptrc-20160131.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>00000011 - Disclosure - Notes Receivable - Related Party</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://petroriveroil.com/role/NotesReceivable-RelatedParty</Role>
      <ShortName>Notes Receivable - Related Party</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="ptrc-20160131.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>00000012 - Disclosure - Real Estate Held for Sale</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://petroriveroil.com/role/RealEstateHeldForSale</Role>
      <ShortName>Real Estate Held for Sale</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="ptrc-20160131.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>00000013 - Disclosure - Oil and Gas Assets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://petroriveroil.com/role/OilAndGasAssets</Role>
      <ShortName>Oil and Gas Assets</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="ptrc-20160131.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>00000014 - Disclosure - Intangible Assets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://petroriveroil.com/role/IntangibleAssets</Role>
      <ShortName>Intangible Assets</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="ptrc-20160131.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>00000015 - Disclosure - Asset Retirement Obligations</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://petroriveroil.com/role/AssetRetirementObligations</Role>
      <ShortName>Asset Retirement Obligations</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="ptrc-20160131.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>00000016 - Disclosure - Related Party Transactions</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://petroriveroil.com/role/RelatedPartyTransactions</Role>
      <ShortName>Related Party Transactions</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="ptrc-20160131.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>00000017 - Disclosure - Equity</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://petroriveroil.com/role/Equity</Role>
      <ShortName>Equity</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="ptrc-20160131.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>00000018 - Disclosure - Stock Options</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://petroriveroil.com/role/StockOptions</Role>
      <ShortName>Stock Options</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="ptrc-20160131.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>00000019 - Disclosure - Non-Controlling Interest</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://petroriveroil.com/role/Non-controllingInterest</Role>
      <ShortName>Non-Controlling Interest</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="ptrc-20160131.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>00000020 - Disclosure - Segment Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://petroriveroil.com/role/SegmentInformation</Role>
      <ShortName>Segment Information</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="ptrc-20160131.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>00000021 - Disclosure - Contingency and Contractual Obligations</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://petroriveroil.com/role/ContingencyAndContractualObligations</Role>
      <ShortName>Contingency and Contractual Obligations</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="ptrc-20160131.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>00000022 - Disclosure - Subsequent Events</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://petroriveroil.com/role/SubsequentEvents</Role>
      <ShortName>Subsequent Events</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="ptrc-20160131.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>00000023 - Disclosure - Significant Accounting Policies (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://petroriveroil.com/role/SignificantAccountingPoliciesPolicies</Role>
      <ShortName>Significant Accounting Policies (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <ParentRole>http://petroriveroil.com/role/SignificantAccountingPolicies</ParentRole>
      <Position>23</Position>
    </Report>
    <Report instance="ptrc-20160131.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>00000024 - Disclosure - Significant Accounting Policies (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://petroriveroil.com/role/SignificantAccountingPoliciesTables</Role>
      <ShortName>Significant Accounting Policies (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://petroriveroil.com/role/SignificantAccountingPolicies</ParentRole>
      <Position>24</Position>
    </Report>
    <Report instance="ptrc-20160131.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>00000025 - Disclosure - Business Acquisition (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://petroriveroil.com/role/BusinessAcquisitionTables</Role>
      <ShortName>Business Acquisition (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://petroriveroil.com/role/BusinessAcquisitions</ParentRole>
      <Position>25</Position>
    </Report>
    <Report instance="ptrc-20160131.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>00000026 - Disclosure - Real Estate Held for Sale (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://petroriveroil.com/role/RealEstateHeldForSaleTables</Role>
      <ShortName>Real Estate Held for Sale (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://petroriveroil.com/role/RealEstateHeldForSale</ParentRole>
      <Position>26</Position>
    </Report>
    <Report instance="ptrc-20160131.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>00000027 - Disclosure - Oil and Gas Assets (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://petroriveroil.com/role/OilAndGasAssetsTables</Role>
      <ShortName>Oil and Gas Assets (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://petroriveroil.com/role/OilAndGasAssets</ParentRole>
      <Position>27</Position>
    </Report>
    <Report instance="ptrc-20160131.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>00000028 - Disclosure - Intangible Assets (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://petroriveroil.com/role/IntangibleAssetsTables</Role>
      <ShortName>Intangible Assets (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://petroriveroil.com/role/IntangibleAssets</ParentRole>
      <Position>28</Position>
    </Report>
    <Report instance="ptrc-20160131.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>00000029 - Disclosure - Asset Retirement Obligations (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://petroriveroil.com/role/AssetRetirementObligationsTables</Role>
      <ShortName>Asset Retirement Obligations (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://petroriveroil.com/role/AssetRetirementObligations</ParentRole>
      <Position>29</Position>
    </Report>
    <Report instance="ptrc-20160131.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>00000030 - Disclosure - Stock Options (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://petroriveroil.com/role/StockOptionsTables</Role>
      <ShortName>Stock Options (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://petroriveroil.com/role/StockOptions</ParentRole>
      <Position>30</Position>
    </Report>
    <Report instance="ptrc-20160131.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>00000031 - Disclosure - Non-Controlling Interest (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://petroriveroil.com/role/Non-controllingInterestTables</Role>
      <ShortName>Non-Controlling Interest (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://petroriveroil.com/role/Non-controllingInterest</ParentRole>
      <Position>31</Position>
    </Report>
    <Report instance="ptrc-20160131.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>00000032 - Disclosure - Segment Information (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://petroriveroil.com/role/SegmentInformationTables</Role>
      <ShortName>Segment Information (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://petroriveroil.com/role/SegmentInformation</ParentRole>
      <Position>32</Position>
    </Report>
    <Report instance="ptrc-20160131.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>00000033 - Disclosure - Organization (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://petroriveroil.com/role/OrganizationDetailsNarrative</Role>
      <ShortName>Organization (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://petroriveroil.com/role/Organization</ParentRole>
      <Position>33</Position>
    </Report>
    <Report instance="ptrc-20160131.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>00000034 - Disclosure - Basis of Preparation (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://petroriveroil.com/role/BasisOfPreparationDetailsNarrative</Role>
      <ShortName>Basis of Preparation (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://petroriveroil.com/role/BasisOfPreparation</ParentRole>
      <Position>34</Position>
    </Report>
    <Report instance="ptrc-20160131.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>00000035 - Disclosure - Significant Accounting Policies - Schedule of Common Stock Equivalents (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://petroriveroil.com/role/SignificantAccountingPolicies-ScheduleOfCommonStockEquivalentsDetails</Role>
      <ShortName>Significant Accounting Policies - Schedule of Common Stock Equivalents (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>35</Position>
    </Report>
    <Report instance="ptrc-20160131.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>00000036 - Disclosure - Significant Accounting Policies (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://petroriveroil.com/role/SignificantAccountingPoliciesDetailsNarrative</Role>
      <ShortName>Significant Accounting Policies (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://petroriveroil.com/role/SignificantAccountingPoliciesTables</ParentRole>
      <Position>36</Position>
    </Report>
    <Report instance="ptrc-20160131.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>00000037 - Disclosure - Business Acquisitions (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://petroriveroil.com/role/BusinessAcquisitionsDetails</Role>
      <ShortName>Business Acquisitions (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://petroriveroil.com/role/BusinessAcquisitionTables</ParentRole>
      <Position>37</Position>
    </Report>
    <Report instance="ptrc-20160131.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>00000038 - Disclosure - Business Acquisitions (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://petroriveroil.com/role/BusinessAcquisitionsDetailsNarrative</Role>
      <ShortName>Business Acquisitions (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://petroriveroil.com/role/BusinessAcquisitionTables</ParentRole>
      <Position>38</Position>
    </Report>
    <Report instance="ptrc-20160131.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>00000039 - Disclosure - Accounts Receivable - Related Party (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://petroriveroil.com/role/AccountsReceivable-RelatedPartyDetailsNarrative</Role>
      <ShortName>Accounts Receivable - Related Party (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://petroriveroil.com/role/AccountsReceivable-RelatedParty</ParentRole>
      <Position>39</Position>
    </Report>
    <Report instance="ptrc-20160131.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>00000040 - Disclosure - Notes Receivable - Related Party (Details Narrative)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://petroriveroil.com/role/NotesReceivable-RelatedPartyDetailsNarrative</Role>
      <ShortName>Notes Receivable - Related Party (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://petroriveroil.com/role/NotesReceivable-RelatedParty</ParentRole>
      <Position>40</Position>
    </Report>
    <Report instance="ptrc-20160131.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>00000041 - Disclosure - Real Estate Held for Sale - Real estate held for sale (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://petroriveroil.com/role/RealEstateHeldForSale-RealEstateHeldForSaleDetails</Role>
      <ShortName>Real Estate Held for Sale - Real estate held for sale (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>41</Position>
    </Report>
    <Report instance="ptrc-20160131.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>00000042 - Disclosure - Real Estate Held for Sale - Real estate held for sale (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://petroriveroil.com/role/RealEstateHeldForSale-RealEstateHeldForSaleDetailsNarrative</Role>
      <ShortName>Real Estate Held for Sale - Real estate held for sale (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>42</Position>
    </Report>
    <Report instance="ptrc-20160131.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>00000043 - Disclosure - Oil and Gas Assets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://petroriveroil.com/role/OilAndGasAssetsDetails</Role>
      <ShortName>Oil and Gas Assets (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://petroriveroil.com/role/OilAndGasAssetsTables</ParentRole>
      <Position>43</Position>
    </Report>
    <Report instance="ptrc-20160131.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>00000044 - Disclosure - Oil and Gas Assets (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://petroriveroil.com/role/OilAndGasAssetsDetailsNarrative</Role>
      <ShortName>Oil and Gas Assets (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://petroriveroil.com/role/OilAndGasAssetsTables</ParentRole>
      <Position>44</Position>
    </Report>
    <Report instance="ptrc-20160131.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>00000045 - Disclosure - Intangible Assets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://petroriveroil.com/role/IntangibleAssetsDetails</Role>
      <ShortName>Intangible Assets (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://petroriveroil.com/role/IntangibleAssetsTables</ParentRole>
      <Position>45</Position>
    </Report>
    <Report instance="ptrc-20160131.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>00000046 - Disclosure - Intangible Assets (Details 1)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://petroriveroil.com/role/IntangibleAssetsDetails1</Role>
      <ShortName>Intangible Assets (Details 1)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://petroriveroil.com/role/IntangibleAssetsTables</ParentRole>
      <Position>46</Position>
    </Report>
    <Report instance="ptrc-20160131.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>00000047 - Disclosure - Intangible Assets (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://petroriveroil.com/role/IntangibleAssetsDetailsNarrative</Role>
      <ShortName>Intangible Assets (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://petroriveroil.com/role/IntangibleAssetsTables</ParentRole>
      <Position>47</Position>
    </Report>
    <Report instance="ptrc-20160131.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>00000048 - Disclosure - Asset Retirement Obligations (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://petroriveroil.com/role/AssetRetirementObligationsDetails</Role>
      <ShortName>Asset Retirement Obligations (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://petroriveroil.com/role/AssetRetirementObligationsTables</ParentRole>
      <Position>48</Position>
    </Report>
    <Report instance="ptrc-20160131.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>00000049 - Disclosure - Asset Retirement Obligations (Details 1)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://petroriveroil.com/role/AssetRetirementObligationsDetails1</Role>
      <ShortName>Asset Retirement Obligations (Details 1)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://petroriveroil.com/role/AssetRetirementObligationsTables</ParentRole>
      <Position>49</Position>
    </Report>
    <Report instance="ptrc-20160131.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>00000050 - Disclosure - Asset Retirement Obligations (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://petroriveroil.com/role/AssetRetirementObligationsDetailsNarrative</Role>
      <ShortName>Asset Retirement Obligations (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://petroriveroil.com/role/AssetRetirementObligationsTables</ParentRole>
      <Position>50</Position>
    </Report>
    <Report instance="ptrc-20160131.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>00000051 - Disclosure - Related Party Transactions (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://petroriveroil.com/role/RelatedPartyTransactionsDetailsNarrative</Role>
      <ShortName>Related Party Transactions (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://petroriveroil.com/role/RelatedPartyTransactions</ParentRole>
      <Position>51</Position>
    </Report>
    <Report instance="ptrc-20160131.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>00000052 - Disclosure - Equity (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://petroriveroil.com/role/EquityDetailsNarrative</Role>
      <ShortName>Equity (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://petroriveroil.com/role/Equity</ParentRole>
      <Position>52</Position>
    </Report>
    <Report instance="ptrc-20160131.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>00000053 - Disclosure - Stock Options (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://petroriveroil.com/role/StockOptionsDetails</Role>
      <ShortName>Stock Options (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://petroriveroil.com/role/StockOptionsTables</ParentRole>
      <Position>53</Position>
    </Report>
    <Report instance="ptrc-20160131.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>00000054 - Disclosure - Stock Options (Details 1)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://petroriveroil.com/role/StockOptionsDetails1</Role>
      <ShortName>Stock Options (Details 1)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://petroriveroil.com/role/StockOptionsTables</ParentRole>
      <Position>54</Position>
    </Report>
    <Report instance="ptrc-20160131.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>00000055 - Disclosure - Stock Options (Details 2)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://petroriveroil.com/role/StockOptionsDetails2</Role>
      <ShortName>Stock Options (Details 2)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://petroriveroil.com/role/StockOptionsTables</ParentRole>
      <Position>55</Position>
    </Report>
    <Report instance="ptrc-20160131.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>00000056 - Disclosure - Stock Options (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://petroriveroil.com/role/StockOptionsDetailsNarrative</Role>
      <ShortName>Stock Options (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://petroriveroil.com/role/StockOptionsTables</ParentRole>
      <Position>56</Position>
    </Report>
    <Report instance="ptrc-20160131.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>00000057 - Disclosure - Non-Controlling Interest (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://petroriveroil.com/role/Non-controllingInterestDetails</Role>
      <ShortName>Non-Controlling Interest (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://petroriveroil.com/role/Non-controllingInterestTables</ParentRole>
      <Position>57</Position>
    </Report>
    <Report instance="ptrc-20160131.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>00000058 - Disclosure - Segment Information - Schedule of Segment Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://petroriveroil.com/role/SegmentInformation-ScheduleOfSegmentInformationDetails</Role>
      <ShortName>Segment Information - Schedule of Segment Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>58</Position>
    </Report>
    <Report instance="ptrc-20160131.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>00000059 - Disclosure - Contingency and Contractual Obligations (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://petroriveroil.com/role/ContingencyAndContractualObligationsDetailsNarrative</Role>
      <ShortName>Contingency and Contractual Obligations (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://petroriveroil.com/role/ContingencyAndContractualObligations</ParentRole>
      <Position>59</Position>
    </Report>
    <Report instance="ptrc-20160131.xml">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>00000060 - Disclosure - Subsequent Events (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://petroriveroil.com/role/SubsequentEventsDetailsNarrative</Role>
      <ShortName>Subsequent Events (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://petroriveroil.com/role/SubsequentEvents</ParentRole>
      <Position>60</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File>ptrc-20160131.xml</File>
    <File>ptrc-20160131.xsd</File>
    <File>ptrc-20160131_cal.xml</File>
    <File>ptrc-20160131_def.xml</File>
    <File>ptrc-20160131_lab.xml</File>
    <File>ptrc-20160131_pre.xml</File>
  </InputFiles>
  <SupplementalFiles/>
  <BaseTaxonomies/>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
