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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:to="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xml:lang="en-US">Cash and Cash Equivalents, at Carrying Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xml:lang="en-US">Cash and cash equivalents</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xml:lang="en-US">Cash and cash equivalents (at cost $2,274,171,075 and $1,565,100,289, respectively) (Notes 2 and 5)</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FinancialInstrumentsOwnedAtFairValueAbstract" xlink:label="us-gaap_FinancialInstrumentsOwnedAtFairValueAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancialInstrumentsOwnedAtFairValueAbstract" xlink:to="us-gaap_FinancialInstrumentsOwnedAtFairValueAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FinancialInstrumentsOwnedAtFairValueAbstract_lbl" xml:lang="en-US">Financial Instruments, Owned, at Fair Value [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FinancialInstrumentsOwnedAtFairValueAbstract_lbl" xml:lang="en-US">Equity in trading accounts:</label>
    <loc xlink:type="locator" xlink:href="uso-20220331.xsd#uso_CashAndCashEquivalentsAtCarryingValueInEquityInTradingAccounts" xlink:label="uso_CashAndCashEquivalentsAtCarryingValueInEquityInTradingAccounts" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="uso_CashAndCashEquivalentsAtCarryingValueInEquityInTradingAccounts" xlink:to="uso_CashAndCashEquivalentsAtCarryingValueInEquityInTradingAccounts_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="uso_CashAndCashEquivalentsAtCarryingValueInEquityInTradingAccounts_lbl" xml:lang="en-US">Amount Relating to equity in trading accounts.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="uso_CashAndCashEquivalentsAtCarryingValueInEquityInTradingAccounts_lbl" xml:lang="en-US">Cash And Cash Equivalents At Carrying Value In Equity In Trading Accounts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="uso_CashAndCashEquivalentsAtCarryingValueInEquityInTradingAccounts_lbl" xml:lang="en-US">Cash and cash equivalents (at cost $884,643,984 and $699,318,107, respectively)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="uso_CashAndCashEquivalentsAtCarryingValueInEquityInTradingAccounts_lbl" xml:lang="en-US">Cash and cash equivalents</label>
    <loc xlink:type="locator" xlink:href="uso-20220331.xsd#uso_UnrealizedGainLossOnOpenCommodityFuturesContracts" xlink:label="uso_UnrealizedGainLossOnOpenCommodityFuturesContracts" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="uso_UnrealizedGainLossOnOpenCommodityFuturesContracts" xlink:to="uso_UnrealizedGainLossOnOpenCommodityFuturesContracts_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="uso_UnrealizedGainLossOnOpenCommodityFuturesContracts_lbl" xml:lang="en-US">Unrealized gain (loss) on open commodity futures contracts.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="uso_UnrealizedGainLossOnOpenCommodityFuturesContracts_lbl" xml:lang="en-US">Unrealized Gain Loss On Open Commodity Futures Contracts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="uso_UnrealizedGainLossOnOpenCommodityFuturesContracts_lbl" xml:lang="en-US">Fair Value/ Unrealized Gain (Loss) on Open Commodity Contracts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="uso_UnrealizedGainLossOnOpenCommodityFuturesContracts_lbl" xml:lang="en-US">Unrealized gain (loss) on open commodity futures contracts</label>
    <loc xlink:type="locator" xlink:href="uso-20220331.xsd#uso_UnrealizedGainLossOnOpenSwapContracts" xlink:label="uso_UnrealizedGainLossOnOpenSwapContracts" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="uso_UnrealizedGainLossOnOpenSwapContracts" xlink:to="uso_UnrealizedGainLossOnOpenSwapContracts_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="uso_UnrealizedGainLossOnOpenSwapContracts_lbl" xml:lang="en-US">This element represents for unrealized gain (loss) on open swap contracts .</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="uso_UnrealizedGainLossOnOpenSwapContracts_lbl" xml:lang="en-US">Unrealized Gain (Loss) On Open Swap Contracts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="uso_UnrealizedGainLossOnOpenSwapContracts_lbl" xml:lang="en-US">Unrealized gain (loss) on open swap contracts</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DividendsReceivable" xlink:label="us-gaap_DividendsReceivable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DividendsReceivable" xlink:to="us-gaap_DividendsReceivable_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DividendsReceivable_lbl" xml:lang="en-US">Dividends Receivable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DividendsReceivable_lbl" xml:lang="en-US">Dividends receivable</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InterestReceivable" xlink:label="us-gaap_InterestReceivable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestReceivable" xlink:to="us-gaap_InterestReceivable_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InterestReceivable_lbl" xml:lang="en-US">Interest Receivable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InterestReceivable_lbl" xml:lang="en-US">Interest receivable</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccruedFeesAndOtherRevenueReceivable" xlink:label="us-gaap_AccruedFeesAndOtherRevenueReceivable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccruedFeesAndOtherRevenueReceivable" xlink:to="us-gaap_AccruedFeesAndOtherRevenueReceivable_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccruedFeesAndOtherRevenueReceivable_lbl" xml:lang="en-US">Accrued Fees and Other Revenue Receivable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AccruedFeesAndOtherRevenueReceivable_lbl" xml:lang="en-US">Prepaid insurance*</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherReceivables" xlink:label="us-gaap_OtherReceivables" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherReceivables" xlink:to="us-gaap_OtherReceivables_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherReceivables_lbl" xml:lang="en-US">Other Receivables</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_OtherReceivables_lbl" xml:lang="en-US">ETF transaction fees receivable</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Assets" xlink:label="us-gaap_Assets" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Assets" xlink:to="us-gaap_Assets_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_Assets_lbl" xml:lang="en-US">Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_Assets_lbl" xml:lang="en-US">Total Assets</label>
    <loc xlink:type="locator" xlink:href="uso-20220331.xsd#uso_LiabilitiesAndPartnersCapitalAbstract" xlink:label="uso_LiabilitiesAndPartnersCapitalAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="uso_LiabilitiesAndPartnersCapitalAbstract" xlink:to="uso_LiabilitiesAndPartnersCapitalAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="uso_LiabilitiesAndPartnersCapitalAbstract_lbl" xml:lang="en-US">Liabilities And Partners Capital [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="uso_LiabilitiesAndPartnersCapitalAbstract_lbl" xml:lang="en-US">Liabilities And Partners Capital [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="uso_LiabilitiesAndPartnersCapitalAbstract_lbl" xml:lang="en-US">Liabilities and Partners' Capital</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DueToCorrespondentBrokers" xlink:label="us-gaap_DueToCorrespondentBrokers" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DueToCorrespondentBrokers" xlink:to="us-gaap_DueToCorrespondentBrokers_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DueToCorrespondentBrokers_lbl" xml:lang="en-US">Due to Correspondent Brokers</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DueToCorrespondentBrokers_lbl" xml:lang="en-US">Payable due to Broker</label>
    <loc xlink:type="locator" xlink:href="uso-20220331.xsd#uso_PayableForSharesRedeemed" xlink:label="uso_PayableForSharesRedeemed" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="uso_PayableForSharesRedeemed" xlink:to="uso_PayableForSharesRedeemed_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="uso_PayableForSharesRedeemed_lbl" xml:lang="en-US">The payment made for shares redeemed.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="uso_PayableForSharesRedeemed_lbl" xml:lang="en-US">Payable For Shares Redeemed</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="uso_PayableForSharesRedeemed_lbl" xml:lang="en-US">Payable for shares redeemed</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DueToOfficersOrStockholdersCurrentAndNoncurrent" xlink:label="us-gaap_DueToOfficersOrStockholdersCurrentAndNoncurrent" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DueToOfficersOrStockholdersCurrentAndNoncurrent" xlink:to="us-gaap_DueToOfficersOrStockholdersCurrentAndNoncurrent_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DueToOfficersOrStockholdersCurrentAndNoncurrent_lbl" xml:lang="en-US">Due to Officers or Stockholders</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DueToOfficersOrStockholdersCurrentAndNoncurrent_lbl" xml:lang="en-US">General Partner management fees payable (Note 3)</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccruedProfessionalFeesCurrentAndNoncurrent" xlink:label="us-gaap_AccruedProfessionalFeesCurrentAndNoncurrent" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccruedProfessionalFeesCurrentAndNoncurrent" xlink:to="us-gaap_AccruedProfessionalFeesCurrentAndNoncurrent_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccruedProfessionalFeesCurrentAndNoncurrent_lbl" xml:lang="en-US">Accrued Professional Fees</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AccruedProfessionalFeesCurrentAndNoncurrent_lbl" xml:lang="en-US">Professional fees payable</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommissionsPayableToBrokerDealersAndClearingOrganizations" xlink:label="us-gaap_CommissionsPayableToBrokerDealersAndClearingOrganizations" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommissionsPayableToBrokerDealersAndClearingOrganizations" xlink:to="us-gaap_CommissionsPayableToBrokerDealersAndClearingOrganizations_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommissionsPayableToBrokerDealersAndClearingOrganizations_lbl" xml:lang="en-US">Commissions Payable to Broker-Dealers and Clearing Organizations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_CommissionsPayableToBrokerDealersAndClearingOrganizations_lbl" xml:lang="en-US">Brokerage commissions payable</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ManagementFeePayable" xlink:label="us-gaap_ManagementFeePayable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ManagementFeePayable" xlink:to="us-gaap_ManagementFeePayable_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ManagementFeePayable_lbl" xml:lang="en-US">Management Fee Payable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ManagementFeePayable_lbl" xml:lang="en-US">Directors' fees payable*</label>
    <loc xlink:type="locator" xlink:href="uso-20220331.xsd#uso_LicenseFeesPayableCurrentAndNoncurrent" xlink:label="uso_LicenseFeesPayableCurrentAndNoncurrent" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="uso_LicenseFeesPayableCurrentAndNoncurrent" xlink:to="uso_LicenseFeesPayableCurrentAndNoncurrent_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="uso_LicenseFeesPayableCurrentAndNoncurrent_lbl" xml:lang="en-US">License fees payable Current and Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="uso_LicenseFeesPayableCurrentAndNoncurrent_lbl" xml:lang="en-US">License Fees Payable Current And Noncurrent</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="uso_LicenseFeesPayableCurrentAndNoncurrent_lbl" xml:lang="en-US">License fees payable</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Liabilities" xlink:label="us-gaap_Liabilities" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Liabilities" xlink:to="us-gaap_Liabilities_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_Liabilities_lbl" xml:lang="en-US">Liabilities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_Liabilities_lbl" xml:lang="en-US">Total Liabilities</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommitmentsAndContingencies" xlink:label="us-gaap_CommitmentsAndContingencies" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommitmentsAndContingencies" xlink:to="us-gaap_CommitmentsAndContingencies_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommitmentsAndContingencies_lbl" xml:lang="en-US">Commitments and Contingencies</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_CommitmentsAndContingencies_lbl" xml:lang="en-US">Commitments and Contingencies (Notes 3, 4 &amp; 5)</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PartnersCapitalAbstract" xlink:label="us-gaap_PartnersCapitalAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PartnersCapitalAbstract" xlink:to="us-gaap_PartnersCapitalAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PartnersCapitalAbstract_lbl" xml:lang="en-US">Partners Capital [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PartnersCapitalAbstract_lbl" xml:lang="en-US">Partners' Capital</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GeneralPartnersCapitalAccount" xlink:label="us-gaap_GeneralPartnersCapitalAccount" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GeneralPartnersCapitalAccount" xlink:to="us-gaap_GeneralPartnersCapitalAccount_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GeneralPartnersCapitalAccount_lbl" xml:lang="en-US">General Partners Capital Account</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_GeneralPartnersCapitalAccount_lbl" xml:lang="en-US">General Partners</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LimitedPartnersCapitalAccount" xlink:label="us-gaap_LimitedPartnersCapitalAccount" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LimitedPartnersCapitalAccount" xlink:to="us-gaap_LimitedPartnersCapitalAccount_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LimitedPartnersCapitalAccount_lbl" xml:lang="en-US">Limited Partners Capital Account</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LimitedPartnersCapitalAccount_lbl" xml:lang="en-US">Limited Partners</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PartnersCapital" xlink:label="us-gaap_PartnersCapital" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PartnersCapital" xlink:to="us-gaap_PartnersCapital_lbl" />
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="uso_NymexWtiCrudeOilFuturesMay2022ContractsExpiringApril2022Member" xlink:to="uso_NymexWtiCrudeOilFuturesMay2022ContractsExpiringApril2022Member_lbl" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="uso_NymexWtiCrudeOilFuturesMay2022ContractsExpiringApril2022Member_lbl" xml:lang="en-US">NYMEX WTI Crude Oil Futures May 2022 contracts, expiring April 2022</label>
    <loc xlink:type="locator" xlink:href="uso-20220331.xsd#uso_NymexWtiCrudeOilFuturesJuly2022ContractsExpiringJune2022Member" xlink:label="uso_NymexWtiCrudeOilFuturesJuly2022ContractsExpiringJune2022Member" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="uso_NymexWtiCrudeOilFuturesJuly2022ContractsExpiringJune2022Member_lbl" xml:lang="en-US">Nymex WTI Crude Oil Futures July 2022 Contracts Expiring June2022 [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="uso_NymexWtiCrudeOilFuturesJuly2022ContractsExpiringJune2022Member_lbl" xml:lang="en-US">NYMEX WTI Crude Oil Futures July 2022 contracts, expiring June 2022</label>
    <loc xlink:type="locator" xlink:href="uso-20220331.xsd#uso_NymexWtiCrudeOilFuturesClAugust2022ContractsExpiringJuly2022Member" xlink:label="uso_NymexWtiCrudeOilFuturesClAugust2022ContractsExpiringJuly2022Member" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="uso_NymexWtiCrudeOilFuturesClAugust2022ContractsExpiringJuly2022Member_lbl" xml:lang="en-US">NYMEX WTI Crude Oil Futures CL August 2022 contracts, expiring July 2022</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="uso_NymexWtiCrudeOilFuturesClAugust2022ContractsExpiringJuly2022Member_lbl" xml:lang="en-US">NYMEX WTI Crude Oil Futures CL August 2022 contracts, expiring July 2022</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="uso_NymexWtiCrudeOilFuturesSeptember2022ContractsExpiringAugust2022Member_lbl" xml:lang="en-US">NYMEX WTI Crude Oil Futures September 2022 contracts, expiring August 2022</label>
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    <loc xlink:type="locator" xlink:href="uso-20220331.xsd#uso_GoldmanSachsFinancialSquareFundsGovernmentFundClassFsMember" xlink:label="uso_GoldmanSachsFinancialSquareFundsGovernmentFundClassFsMember" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="uso_GoldmanSachsFinancialSquareFundsGovernmentFundClassFsMember_lbl" xml:lang="en-US">Goldman Sachs Financial Square Funds Government Fund Class FS [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="uso_GoldmanSachsFinancialSquareFundsGovernmentFundClassFsMember_lbl" xml:lang="en-US">Goldman Sachs Financial Square Government Fund - Institutional Shares, 0.24%#</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="uso_MorganStanleyInstitutionalLiquidityFundGovernmentPortfolioMember" xlink:to="uso_MorganStanleyInstitutionalLiquidityFundGovernmentPortfolioMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="uso_MorganStanleyInstitutionalLiquidityFundGovernmentPortfolioMember_lbl" xml:lang="en-US">Morgan Stanley Institutional Liquidity Fund Government Portfolio [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="uso_MorganStanleyInstitutionalLiquidityFundGovernmentPortfolioMember_lbl" xml:lang="en-US">Morgan Stanley Institutional Liquidity Funds - Government Portfolio - Institutional Shares, 0.23%#</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="uso_RbcU.s.GovernmentMoneyMarketFundInstitutionalShareClass0.10Member" xlink:to="uso_RbcU.s.GovernmentMoneyMarketFundInstitutionalShareClass0.10Member_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="uso_RbcU.s.GovernmentMoneyMarketFundInstitutionalShareClass0.10Member_lbl" xml:lang="en-US">This member stands for RBC U.S. Government Money Market Fund - Institutional Share Class, 0.10%.</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InvestmentOwnedBalanceContracts_lbl" xml:lang="en-US">Investment Owned Balance Contracts</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentOwnedBalancePrincipalAmount" xlink:to="us-gaap_InvestmentOwnedBalancePrincipalAmount_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InvestmentOwnedBalancePrincipalAmount_lbl" xml:lang="en-US">Investment Owned Balance Principal Amount</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InvestmentOwnedBalancePrincipalAmount_lbl" xml:lang="en-US">Shares/Principal Amount</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InvestmentOwnedUnderlyingFaceAmountAtMarketValue" xlink:label="us-gaap_InvestmentOwnedUnderlyingFaceAmountAtMarketValue" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentOwnedUnderlyingFaceAmountAtMarketValue" xlink:to="us-gaap_InvestmentOwnedUnderlyingFaceAmountAtMarketValue_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InvestmentOwnedUnderlyingFaceAmountAtMarketValue_lbl" xml:lang="en-US">Investment Owned Underlying Face Amount At Market Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InvestmentOwnedUnderlyingFaceAmountAtMarketValue_lbl" xml:lang="en-US">Market Value</label>
    <loc xlink:type="locator" xlink:href="uso-20220331.xsd#uso_PercentageOfPartnersCapital" xlink:label="uso_PercentageOfPartnersCapital" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="uso_PercentageOfPartnersCapital" xlink:to="uso_PercentageOfPartnersCapital_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="uso_PercentageOfPartnersCapital_lbl" xml:lang="en-US">Percentage of Partners Capital</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="uso_PercentageOfPartnersCapital_lbl" xml:lang="en-US">Percentage Of Partners Capital</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="uso_PercentageOfPartnersCapital_lbl" xml:lang="en-US">% of Partners' Capital</label>
    <loc xlink:type="locator" xlink:href="uso-20220331.xsd#uso_PercentageOfFundPaysCounterparty" xlink:label="uso_PercentageOfFundPaysCounterparty" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="uso_PercentageOfFundPaysCounterparty" xlink:to="uso_PercentageOfFundPaysCounterparty_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="uso_PercentageOfFundPaysCounterparty_lbl" xml:lang="en-US">The percentage of fund pays counterparty.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="uso_PercentageOfFundPaysCounterparty_lbl" xml:lang="en-US">Percentage Of Fund Pays Counterparty</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="uso_PercentageOfFundPaysCounterparty_lbl" xml:lang="en-US">Percentage of Fund Pays Counterparty</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InvestmentOwnedAtCost" xlink:label="us-gaap_InvestmentOwnedAtCost" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InvestmentOwnedAtCost" xlink:to="us-gaap_InvestmentOwnedAtCost_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InvestmentOwnedAtCost_lbl" xml:lang="en-US">Investment Owned, at Cost</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_InvestmentOwnedAtCost_lbl" xml:lang="en-US">Notional amount of Open OTC Commodity Swap Contracts</label>
    <loc xlink:type="locator" xlink:href="uso-20220331.xsd#uso_FairValueOrOpenCommoditySwapContracts" xlink:label="uso_FairValueOrOpenCommoditySwapContracts" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="uso_FairValueOrOpenCommoditySwapContracts" xlink:to="uso_FairValueOrOpenCommoditySwapContracts_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="uso_FairValueOrOpenCommoditySwapContracts_lbl" xml:lang="en-US">Amount of Fair Value or Open Commodity Swap Contracts.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="uso_FairValueOrOpenCommoditySwapContracts_lbl" xml:lang="en-US">Fair Value or Open Commodity Swap Contracts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="uso_FairValueOrOpenCommoditySwapContracts_lbl" xml:lang="en-US">Fair Value/Open Commodity Swap Contracts</label>
    <loc xlink:type="locator" xlink:href="uso-20220331.xsd#uso_UnrealizedGainLossOnCommoditySwapContracts" xlink:label="uso_UnrealizedGainLossOnCommoditySwapContracts" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="uso_UnrealizedGainLossOnCommoditySwapContracts" xlink:to="uso_UnrealizedGainLossOnCommoditySwapContracts_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="uso_UnrealizedGainLossOnCommoditySwapContracts_lbl" xml:lang="en-US">Unrealized gain (loss) on commodity swap contracts.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="uso_UnrealizedGainLossOnCommoditySwapContracts_lbl" xml:lang="en-US">Unrealized Gain Loss On Commodity Swap Contracts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="uso_UnrealizedGainLossOnCommoditySwapContracts_lbl" xml:lang="en-US">Unrealized Gain (Loss) on Commodity Swap Contracts</label>
    <loc xlink:type="locator" xlink:href="uso-20220331.xsd#uso_Rbcu.s.governmentMoneyMarketFundInstitutionalShareClass0.03Member" xlink:label="uso_Rbcu.s.governmentMoneyMarketFundInstitutionalShareClass0.03Member" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="uso_Rbcu.s.governmentMoneyMarketFundInstitutionalShareClass0.03Member" xlink:to="uso_Rbcu.s.governmentMoneyMarketFundInstitutionalShareClass0.03Member_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="uso_Rbcu.s.governmentMoneyMarketFundInstitutionalShareClass0.03Member_lbl" xml:lang="en-US">This member stands for RBC U.S.Government Money Market Fund - Institutuional Share Class, 0.03%.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="uso_Rbcu.s.governmentMoneyMarketFundInstitutionalShareClass0.03Member_lbl" xml:lang="en-US">RBC U.S. Government Money Market Fund - Institutional Share Class, 0.03%</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:to="us-gaap_DebtInstrumentInterestRateStatedPercentage_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage_lbl" xml:lang="en-US">Debt Instrument Interest Rate Stated Percentage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_DebtInstrumentInterestRateStatedPercentage_lbl" xml:lang="en-US">Interest rate</label>
    <loc xlink:type="locator" xlink:href="uso-20220331.xsd#uso_InvestmentOwnedPeriodOfYieldOnFunds" xlink:label="uso_InvestmentOwnedPeriodOfYieldOnFunds" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="uso_InvestmentOwnedPeriodOfYieldOnFunds" xlink:to="uso_InvestmentOwnedPeriodOfYieldOnFunds_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="uso_InvestmentOwnedPeriodOfYieldOnFunds_lbl" xml:lang="en-US">Period of Yield on funds.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="uso_InvestmentOwnedPeriodOfYieldOnFunds_lbl" xml:lang="en-US">Investment Owned, Period of Yield On Funds</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="uso_InvestmentOwnedPeriodOfYieldOnFunds_lbl" xml:lang="en-US">Investment, Period of Yield</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SecurityOwnedAndPledgedAsCollateralFairValue" xlink:label="us-gaap_SecurityOwnedAndPledgedAsCollateralFairValue" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SecurityOwnedAndPledgedAsCollateralFairValue" xlink:to="us-gaap_SecurityOwnedAndPledgedAsCollateralFairValue_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SecurityOwnedAndPledgedAsCollateralFairValue_lbl" xml:lang="en-US">Security Owned and Pledged as Collateral, Fair Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SecurityOwnedAndPledgedAsCollateralFairValue_lbl" xml:lang="en-US">Collateral amount</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeStatementAbstract" xlink:label="us-gaap_IncomeStatementAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeStatementAbstract" xlink:to="us-gaap_IncomeStatementAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeStatementAbstract_lbl" xml:lang="en-US">Condensed Statements of Operations (Unaudited)</label>
    <loc xlink:type="locator" xlink:href="uso-20220331.xsd#uso_IncomeAbstract" xlink:label="uso_IncomeAbstract" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="uso_IncomeAbstract_lbl" xml:lang="en-US">Income [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="uso_IncomeAbstract_lbl" xml:lang="en-US">Income [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="uso_IncomeAbstract_lbl" xml:lang="en-US">Income</label>
    <loc xlink:type="locator" xlink:href="uso-20220331.xsd#uso_GainLossOnCommodityFuturesAbstract" xlink:label="uso_GainLossOnCommodityFuturesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="uso_GainLossOnCommodityFuturesAbstract" xlink:to="uso_GainLossOnCommodityFuturesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="uso_GainLossOnCommodityFuturesAbstract_lbl" xml:lang="en-US">Gain (Loss) On Commodity Futures [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="uso_GainLossOnCommodityFuturesAbstract_lbl" xml:lang="en-US">Gain Loss On Commodity Futures [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="uso_GainLossOnCommodityFuturesAbstract_lbl" xml:lang="en-US">Gain (loss) on trading of commodity futures contracts:</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GainLossOnSaleOfInvestments" xlink:to="us-gaap_GainLossOnSaleOfInvestments_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GainLossOnSaleOfInvestments_lbl" xml:lang="en-US">Gain Loss On Sale Of Investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_GainLossOnSaleOfInvestments_lbl" xml:lang="en-US">Realized gain (loss) on closed commodity futures contracts</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GainLossOnDerivativeInstrumentsNetPretax" xlink:label="us-gaap_GainLossOnDerivativeInstrumentsNetPretax" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GainLossOnDerivativeInstrumentsNetPretax_lbl" xml:lang="en-US">Gain (Loss) on Derivative Instruments, Net, Pretax</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_GainLossOnDerivativeInstrumentsNetPretax_lbl" xml:lang="en-US">Realized gain (loss) on swap contracts</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_UnrealizedGainLossOnInvestments" xlink:label="us-gaap_UnrealizedGainLossOnInvestments" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_UnrealizedGainLossOnInvestments_lbl" xml:lang="en-US">Unrealized Gain Loss On Investments</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_UnrealizedGainLossOnInvestments_lbl" xml:lang="en-US">Change in unrealized gain (loss) on open commodity futures contracts</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_UnrealizedGainLossOnDerivatives" xlink:label="us-gaap_UnrealizedGainLossOnDerivatives" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnrealizedGainLossOnDerivatives" xlink:to="us-gaap_UnrealizedGainLossOnDerivatives_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_UnrealizedGainLossOnDerivatives_lbl" xml:lang="en-US">Unrealized Gain (Loss) on Derivatives</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_UnrealizedGainLossOnDerivatives_lbl" xml:lang="en-US">Change in unrealized gain (loss) on open swap contracts</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_NoninterestExpenseDirectorsFees_lbl" xml:lang="en-US">Directors' fees and insurance</label>
    <loc xlink:type="locator" xlink:href="uso-20220331.xsd#uso_LicenseFeesAndOtherOfferingExpenses" xlink:label="uso_LicenseFeesAndOtherOfferingExpenses" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="uso_LicenseFeesAndOtherOfferingExpenses" xlink:to="uso_LicenseFeesAndOtherOfferingExpenses_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="uso_LicenseFeesAndOtherOfferingExpenses_lbl" xml:lang="en-US">It represent the value of license fees and other offering expenses.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="uso_LicenseFeesAndOtherOfferingExpenses_lbl" xml:lang="en-US">License Fees And Other Offering Expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="uso_LicenseFeesAndOtherOfferingExpenses_lbl" xml:lang="en-US">License fees</label>
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    <loc xlink:type="locator" xlink:href="uso-20220331.xsd#uso_RegistrationFeesAndOtherOfferingExpenses" xlink:label="uso_RegistrationFeesAndOtherOfferingExpenses" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="uso_RegistrationFeesAndOtherOfferingExpenses" xlink:to="uso_RegistrationFeesAndOtherOfferingExpenses_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="uso_RegistrationFeesAndOtherOfferingExpenses_lbl" xml:lang="en-US">Registration Fees and Other Offering Expenses</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="uso_RegistrationFeesAndOtherOfferingExpenses_lbl" xml:lang="en-US">Registration Fees And Other Offering Expenses</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="uso_RegistrationFeesAndOtherOfferingExpenses_lbl" xml:lang="en-US">Registration fees</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingExpenses_lbl" xml:lang="en-US">Operating Expenses</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NetIncomeLoss_lbl" xml:lang="en-US">Net Income (Loss)</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_NetIncomeLoss_lbl" xml:lang="en-US">Net income (loss)</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_NetIncomeLossPerOutstandingLimitedPartnershipUnitBasicNetOfTax_lbl" xml:lang="en-US">Net Income (Loss) per limited partner share</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetIncomeLossNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted" xlink:label="us-gaap_NetIncomeLossNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_NetIncomeLossNetOfTaxPerOutstandingLimitedPartnershipUnitDiluted_lbl" xml:lang="en-US">Net Income (Loss) per weighted average limited partner share</label>
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    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PartnerCapitalComponentsAxis" xlink:label="us-gaap_PartnerCapitalComponentsAxis" />
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    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xml:lang="en-US">Net Cash Provided by (Used in) Operating Activities [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xml:lang="en-US">Cash Flows from Operating Activities:</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xml:lang="en-US">Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xml:lang="en-US">Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_UnrealizedGainLossOnDerivativesAndCommodityContracts" xlink:label="us-gaap_UnrealizedGainLossOnDerivativesAndCommodityContracts" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnrealizedGainLossOnDerivativesAndCommodityContracts" xlink:to="us-gaap_UnrealizedGainLossOnDerivativesAndCommodityContracts_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_UnrealizedGainLossOnDerivativesAndCommodityContracts_lbl" xml:lang="en-US">Unrealized Gain Loss On Derivatives And Commodity Contracts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_UnrealizedGainLossOnDerivativesAndCommodityContracts_lbl" xml:lang="en-US">Change in unrealized (gain) loss on open commodity futures contracts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_UnrealizedGainLossOnDerivativesAndCommodityContracts_lbl" xml:lang="en-US">Change in Unrealized Gain (Loss) on Derivatives Recognized in Income</label>
    <loc xlink:type="locator" xlink:href="uso-20220331.xsd#uso_ChangeInUnrealizedGainLossOnOpenSwapContracts" xlink:label="uso_ChangeInUnrealizedGainLossOnOpenSwapContracts" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="uso_ChangeInUnrealizedGainLossOnOpenSwapContracts" xlink:to="uso_ChangeInUnrealizedGainLossOnOpenSwapContracts_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="uso_ChangeInUnrealizedGainLossOnOpenSwapContracts_lbl" xml:lang="en-US">Amount of change in unrealized gain (loss) on open swap contracts.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="uso_ChangeInUnrealizedGainLossOnOpenSwapContracts_lbl" xml:lang="en-US">Change In Unrealized Gain (Loss) On Open Swap Contracts</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="uso_ChangeInUnrealizedGainLossOnOpenSwapContracts_lbl" xml:lang="en-US">Change in unrealized gain (loss) on open swap contracts</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncreaseDecreaseInDividendsReceivable" xlink:label="us-gaap_IncreaseDecreaseInDividendsReceivable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInDividendsReceivable" xlink:to="us-gaap_IncreaseDecreaseInDividendsReceivable_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInDividendsReceivable_lbl" xml:lang="en-US">Increase (Decrease) in Dividends Receivable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_IncreaseDecreaseInDividendsReceivable_lbl" xml:lang="en-US">(Increase) decrease in dividends receivable</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncreaseDecreaseInAccruedInterestReceivableNet" xlink:label="us-gaap_IncreaseDecreaseInAccruedInterestReceivableNet" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInAccruedInterestReceivableNet" xlink:to="us-gaap_IncreaseDecreaseInAccruedInterestReceivableNet_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInAccruedInterestReceivableNet_lbl" xml:lang="en-US">Increase (Decrease) in Accrued Interest Receivable, Net</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_IncreaseDecreaseInAccruedInterestReceivableNet_lbl" xml:lang="en-US">(Increase) decrease in interest receivable</label>
    <loc xlink:type="locator" xlink:href="uso-20220331.xsd#uso_IncreaseDecreaseInPrepaidInsurances" xlink:label="uso_IncreaseDecreaseInPrepaidInsurances" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="uso_IncreaseDecreaseInPrepaidInsurances" xlink:to="uso_IncreaseDecreaseInPrepaidInsurances_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="uso_IncreaseDecreaseInPrepaidInsurances_lbl" xml:lang="en-US">Increase decrease in prepaid insurance</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="uso_IncreaseDecreaseInPrepaidInsurances_lbl" xml:lang="en-US">Increase Decrease In Prepaid Insurances</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="uso_IncreaseDecreaseInPrepaidInsurances_lbl" xml:lang="en-US">(Increase) decrease in prepaid insurance*</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncreaseDecreaseInPrepaidExpense" xlink:label="us-gaap_IncreaseDecreaseInPrepaidExpense" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInPrepaidExpense" xlink:to="us-gaap_IncreaseDecreaseInPrepaidExpense_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInPrepaidExpense_lbl" xml:lang="en-US">Increase (Decrease) in Prepaid Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_IncreaseDecreaseInPrepaidExpense_lbl" xml:lang="en-US">(Increase) decrease in prepaid registration fees</label>
    <loc xlink:type="locator" xlink:href="uso-20220331.xsd#uso_IncreaseDecreaseInPayablesDueToCustomers" xlink:label="uso_IncreaseDecreaseInPayablesDueToCustomers" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="uso_IncreaseDecreaseInPayablesDueToCustomers" xlink:to="uso_IncreaseDecreaseInPayablesDueToCustomers_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="uso_IncreaseDecreaseInPayablesDueToCustomers_lbl" xml:lang="en-US">The change during the period, either increase or decrease, in amounts payable due to broker.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="uso_IncreaseDecreaseInPayablesDueToCustomers_lbl" xml:lang="en-US">Increase Decrease In Payables Due To Customers</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="uso_IncreaseDecreaseInPayablesDueToCustomers_lbl" xml:lang="en-US">Increase (decrease) in payable due to Broker</label>
    <loc xlink:type="locator" xlink:href="uso-20220331.xsd#uso_IncreaseDecreaseManagementFeesPayable" xlink:label="uso_IncreaseDecreaseManagementFeesPayable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="uso_IncreaseDecreaseManagementFeesPayable" xlink:to="uso_IncreaseDecreaseManagementFeesPayable_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="uso_IncreaseDecreaseManagementFeesPayable_lbl" xml:lang="en-US">Net change in management fee payable.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="uso_IncreaseDecreaseManagementFeesPayable_lbl" xml:lang="en-US">Increase Decrease Management Fees Payable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="uso_IncreaseDecreaseManagementFeesPayable_lbl" xml:lang="en-US">Increase (decrease) in General Partner management fees payable</label>
    <loc xlink:type="locator" xlink:href="uso-20220331.xsd#uso_IncreaseDecreaseInProfessionalFeesPayable" xlink:label="uso_IncreaseDecreaseInProfessionalFeesPayable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="uso_IncreaseDecreaseInProfessionalFeesPayable" xlink:to="uso_IncreaseDecreaseInProfessionalFeesPayable_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="uso_IncreaseDecreaseInProfessionalFeesPayable_lbl" xml:lang="en-US">Increase (Decrease) In Professional Fees Payable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="uso_IncreaseDecreaseInProfessionalFeesPayable_lbl" xml:lang="en-US">Increase Decrease In Professional Fees Payable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="uso_IncreaseDecreaseInProfessionalFeesPayable_lbl" xml:lang="en-US">Increase (decrease) in professional fees payable</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncreaseDecreaseInPayablesToBrokerDealers" xlink:label="us-gaap_IncreaseDecreaseInPayablesToBrokerDealers" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInPayablesToBrokerDealers" xlink:to="us-gaap_IncreaseDecreaseInPayablesToBrokerDealers_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInPayablesToBrokerDealers_lbl" xml:lang="en-US">Increase (Decrease) in Payables to Broker-Dealers and Clearing Organizations</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_IncreaseDecreaseInPayablesToBrokerDealers_lbl" xml:lang="en-US">Increase (decrease) in brokerage commissions payable</label>
    <loc xlink:type="locator" xlink:href="uso-20220331.xsd#uso_IncreaseDecreaseInDirectorsFeesPayable" xlink:label="uso_IncreaseDecreaseInDirectorsFeesPayable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="uso_IncreaseDecreaseInDirectorsFeesPayable" xlink:to="uso_IncreaseDecreaseInDirectorsFeesPayable_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="uso_IncreaseDecreaseInDirectorsFeesPayable_lbl" xml:lang="en-US">The amount of information pertaining to increase (decrease) in directors fees payable of an entity during the period.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="uso_IncreaseDecreaseInDirectorsFeesPayable_lbl" xml:lang="en-US">Increase (Decrease) In Directors Fees Payable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="uso_IncreaseDecreaseInDirectorsFeesPayable_lbl" xml:lang="en-US">Increase (decrease) in directors' fees payable*</label>
    <loc xlink:type="locator" xlink:href="uso-20220331.xsd#uso_IncreaseDecreaseInLicenseFeesPayable" xlink:label="uso_IncreaseDecreaseInLicenseFeesPayable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="uso_IncreaseDecreaseInLicenseFeesPayable" xlink:to="uso_IncreaseDecreaseInLicenseFeesPayable_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="uso_IncreaseDecreaseInLicenseFeesPayable_lbl" xml:lang="en-US">Increase (Decrease) in License Fees Payable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="uso_IncreaseDecreaseInLicenseFeesPayable_lbl" xml:lang="en-US">Increase Decrease In License Fees Payable</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="uso_IncreaseDecreaseInLicenseFeesPayable_lbl" xml:lang="en-US">Increase (decrease) in license fees payable</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xml:lang="en-US">Net Cash Provided by (Used in) Operating Activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xml:lang="en-US">Net cash provided by (used in) operating activities</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xml:lang="en-US">Net Cash Provided by (Used in) Financing Activities [Abstract]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xml:lang="en-US">Cash Flows from Financing Activities:</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProceedsFromPartnershipContribution" xlink:label="us-gaap_ProceedsFromPartnershipContribution" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromPartnershipContribution" xlink:to="us-gaap_ProceedsFromPartnershipContribution_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromPartnershipContribution_lbl" xml:lang="en-US">Proceeds From Partnership Contribution</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_ProceedsFromPartnershipContribution_lbl" xml:lang="en-US">Addition of partnership shares</label>
    <loc xlink:type="locator" xlink:href="uso-20220331.xsd#uso_PaymentsToPartnershipRedemption" xlink:label="uso_PaymentsToPartnershipRedemption" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="uso_PaymentsToPartnershipRedemption" xlink:to="uso_PaymentsToPartnershipRedemption_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="uso_PaymentsToPartnershipRedemption_lbl" xml:lang="en-US">Payments To Partnership Redemption.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="uso_PaymentsToPartnershipRedemption_lbl" xml:lang="en-US">Payments To Partnership Redemption</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="uso_PaymentsToPartnershipRedemption_lbl" xml:lang="en-US">Redemption of partnership shares</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xml:lang="en-US">Net Cash Provided by (Used in) Financing Activities</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xml:lang="en-US">Net cash provided by (used in) financing activities</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect" xlink:to="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect_lbl" xml:lang="en-US">Cash And Cash Equivalents Period Increase Decrease</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect_lbl" xml:lang="en-US">Net Increase (Decrease) in Cash and Cash Equivalents</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:to="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl" xml:lang="en-US">Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl" xml:lang="en-US">Total Cash, Cash Equivalents and Equity in Trading Accounts, end of period</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl" xml:lang="en-US">Total Cash, Cash Equivalents and Equity in Trading Accounts, beginning of period</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValueAbstract" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValueAbstract" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_lbl" xml:lang="en-US">ORGANIZATION AND BUSINESS</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock_lbl" xml:lang="en-US">Significant Accounting Policies [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock_lbl" xml:lang="en-US">SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES</label>
    <loc xlink:type="locator" xlink:href="uso-20220331.xsd#uso_FeesPaidByFundAndRelatedPartyTransactionsAbstract" xlink:label="uso_FeesPaidByFundAndRelatedPartyTransactionsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="uso_FeesPaidByFundAndRelatedPartyTransactionsAbstract" xlink:to="uso_FeesPaidByFundAndRelatedPartyTransactionsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="uso_FeesPaidByFundAndRelatedPartyTransactionsAbstract_lbl" xml:lang="en-US">No definition available</label>
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    <loc xlink:type="locator" xlink:href="uso-20220331.xsd#uso_FeesPaidAndRelatedPartyTransactionsDisclosureTextBlock" xlink:label="uso_FeesPaidAndRelatedPartyTransactionsDisclosureTextBlock" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="uso_FeesPaidAndRelatedPartyTransactionsDisclosureTextBlock_lbl" xml:lang="en-US">Fees Paid and Related Party Transactions Disclosure</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="uso_FeesPaidAndRelatedPartyTransactionsDisclosureTextBlock_lbl" xml:lang="en-US">Fees Paid And Related Party Transactions Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="uso_FeesPaidAndRelatedPartyTransactionsDisclosureTextBlock_lbl" xml:lang="en-US">FEES PAID BY THE FUND AND RELATED PARTY TRANSACTIONS</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ContractorsAbstract" xlink:label="us-gaap_ContractorsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ContractorsAbstract" xlink:to="us-gaap_ContractorsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ContractorsAbstract_lbl" xml:lang="en-US">CONTRACTS AND AGREEMENTS</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermContractsOrProgramsDisclosureTextBlock" xlink:label="us-gaap_LongTermContractsOrProgramsDisclosureTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermContractsOrProgramsDisclosureTextBlock" xlink:to="us-gaap_LongTermContractsOrProgramsDisclosureTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongTermContractsOrProgramsDisclosureTextBlock_lbl" xml:lang="en-US">Long-term Contracts or Programs Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LongTermContractsOrProgramsDisclosureTextBlock_lbl" xml:lang="en-US">CONTRACTS AND AGREEMENTS</label>
    <loc xlink:type="locator" xlink:href="uso-20220331.xsd#uso_FinancialInstrumentsOffBalanceSheetRisksAndContingenciesAbstract" xlink:label="uso_FinancialInstrumentsOffBalanceSheetRisksAndContingenciesAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="uso_FinancialInstrumentsOffBalanceSheetRisksAndContingenciesAbstract" xlink:to="uso_FinancialInstrumentsOffBalanceSheetRisksAndContingenciesAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="uso_FinancialInstrumentsOffBalanceSheetRisksAndContingenciesAbstract_lbl" xml:lang="en-US">FINANCIAL INSTRUMENTS, OFF-BALANCE SHEET RISKS AND CONTINGENCIES</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FinancialInstrumentsDisclosureTextBlock" xlink:label="us-gaap_FinancialInstrumentsDisclosureTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancialInstrumentsDisclosureTextBlock" xlink:to="us-gaap_FinancialInstrumentsDisclosureTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FinancialInstrumentsDisclosureTextBlock_lbl" xml:lang="en-US">Financial Instruments Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_FinancialInstrumentsDisclosureTextBlock_lbl" xml:lang="en-US">FINANCIAL INSTRUMENTS, OFF-BALANCE SHEET RISKS AND CONTINGENCIES</label>
    <loc xlink:type="locator" xlink:href="uso-20220331.xsd#uso_FinancialHighlightsAbstract" xlink:label="uso_FinancialHighlightsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="uso_FinancialHighlightsAbstract" xlink:to="uso_FinancialHighlightsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="uso_FinancialHighlightsAbstract_lbl" xml:lang="en-US">FINANCIAL HIGHLIGHTS</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AdditionalFinancialInformationDisclosureTextBlock" xlink:label="us-gaap_AdditionalFinancialInformationDisclosureTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdditionalFinancialInformationDisclosureTextBlock" xlink:to="us-gaap_AdditionalFinancialInformationDisclosureTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AdditionalFinancialInformationDisclosureTextBlock_lbl" xml:lang="en-US">Additional Financial Information Disclosure [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_AdditionalFinancialInformationDisclosureTextBlock_lbl" xml:lang="en-US">FINANCIAL HIGHLIGHTS</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueDisclosuresAbstract" xlink:label="us-gaap_FairValueDisclosuresAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueDisclosuresAbstract" xlink:to="us-gaap_FairValueDisclosuresAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueDisclosuresAbstract_lbl" xml:lang="en-US">FAIR VALUE OF FINANCIAL INSTRUMENTS</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueDisclosuresTextBlock" xlink:label="us-gaap_FairValueDisclosuresTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueDisclosuresTextBlock" xlink:to="us-gaap_FairValueDisclosuresTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueDisclosuresTextBlock_lbl" xml:lang="en-US">Fair Value Disclosures [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_FairValueDisclosuresTextBlock_lbl" xml:lang="en-US">FAIR VALUE OF FINANCIAL INSTRUMENTS</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventsAbstract" xlink:label="us-gaap_SubsequentEventsAbstract" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsequentEventsAbstract" xlink:to="us-gaap_SubsequentEventsAbstract_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SubsequentEventsAbstract_lbl" xml:lang="en-US">SUBSEQUENT EVENTS</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventsTextBlock" xlink:label="us-gaap_SubsequentEventsTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsequentEventsTextBlock" xlink:to="us-gaap_SubsequentEventsTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SubsequentEventsTextBlock_lbl" xml:lang="en-US">Subsequent Events [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SubsequentEventsTextBlock_lbl" xml:lang="en-US">SUBSEQUENT EVENTS</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock" xlink:label="us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock" xlink:to="us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock_lbl" xml:lang="en-US">Basis of Presentation and Significant Accounting Policies [Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock_lbl" xml:lang="en-US">Basis of Presentation</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueRecognitionPolicyTextBlock" xlink:label="us-gaap_RevenueRecognitionPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RevenueRecognitionPolicyTextBlock" xlink:to="us-gaap_RevenueRecognitionPolicyTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RevenueRecognitionPolicyTextBlock_lbl" xml:lang="en-US">Revenue Recognition, Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_RevenueRecognitionPolicyTextBlock_lbl" xml:lang="en-US">Revenue Recognition</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommissionsPolicy" xlink:label="us-gaap_CommissionsPolicy" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommissionsPolicy" xlink:to="us-gaap_CommissionsPolicy_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommissionsPolicy_lbl" xml:lang="en-US">Commissions, Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_CommissionsPolicy_lbl" xml:lang="en-US">Brokerage Commissions</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxPolicyTextBlock" xlink:label="us-gaap_IncomeTaxPolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxPolicyTextBlock" xlink:to="us-gaap_IncomeTaxPolicyTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxPolicyTextBlock_lbl" xml:lang="en-US">Income Tax, Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_IncomeTaxPolicyTextBlock_lbl" xml:lang="en-US">Income Taxes</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SharesSubjectToMandatoryRedemptionChangesInRedemptionValuePolicyTextBlock" xlink:label="us-gaap_SharesSubjectToMandatoryRedemptionChangesInRedemptionValuePolicyTextBlock" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharesSubjectToMandatoryRedemptionChangesInRedemptionValuePolicyTextBlock" xlink:to="us-gaap_SharesSubjectToMandatoryRedemptionChangesInRedemptionValuePolicyTextBlock_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SharesSubjectToMandatoryRedemptionChangesInRedemptionValuePolicyTextBlock_lbl" xml:lang="en-US">Shares Subject to Mandatory Redemption, Changes in Redemption Value, Policy [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_SharesSubjectToMandatoryRedemptionChangesInRedemptionValuePolicyTextBlock_lbl" xml:lang="en-US">Creations and Redemptions</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncentiveDistributionPolicyManagingMemberOrGeneralPartnerDescription" xlink:label="us-gaap_IncentiveDistributionPolicyManagingMemberOrGeneralPartnerDescription" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncentiveDistributionPolicyManagingMemberOrGeneralPartnerDescription_lbl" xml:lang="en-US">Incentive Distribution Policy, Managing Member or General Partner, Description [Policy Text Block]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_IncentiveDistributionPolicyManagingMemberOrGeneralPartnerDescription_lbl" xml:lang="en-US">Partnership Capital and Allocation of Partnership Income and Losses</label>
    <loc xlink:type="locator" xlink:href="uso-20220331.xsd#uso_NetAssetValuePolicyTextBlock" xlink:label="uso_NetAssetValuePolicyTextBlock" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="uso_NetAssetValuePolicyTextBlock_lbl" xml:lang="en-US">Net Asset Value</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="uso_NetAssetValuePolicyTextBlock_lbl" xml:lang="en-US">Net Asset Value Policy [Text Block]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="uso_UnitsIssuedDuringPeriodValueNewIssues_lbl" xml:lang="en-US">Units Issued During Period, Value, New Issues</label>
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    <loc xlink:type="locator" xlink:href="uso-20220331.xsd#uso_FuturesOilContractsHeldForLightAndSweetCrudeOilTraded" xlink:label="uso_FuturesOilContractsHeldForLightAndSweetCrudeOilTraded" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="uso_FuturesOilContractsHeldForLightAndSweetCrudeOilTraded_lbl" xml:lang="en-US">It represents no of Futures Oil Contracts oil light sweet crude oil.</label>
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    <loc xlink:type="locator" xlink:href="uso-20220331.xsd#uso_SignificantAccountingPoliciesTable" xlink:label="uso_SignificantAccountingPoliciesTable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="uso_SignificantAccountingPoliciesTable" xlink:to="uso_SignificantAccountingPoliciesTable_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="uso_SignificantAccountingPoliciesTable_lbl" xml:lang="en-US">Significant Accounting Policies [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="uso_SignificantAccountingPoliciesTable_lbl" xml:lang="en-US">Significant Accounting Policies [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="uso_SignificantAccountingPoliciesTable_lbl" xml:lang="en-US">Significant Accounting Policies [Table]</label>
    <loc xlink:type="locator" xlink:href="uso-20220331.xsd#uso_UscfMember" xlink:label="uso_UscfMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="uso_UscfMember" xlink:to="uso_UscfMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="uso_UscfMember_lbl" xml:lang="en-US">No definition</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="uso_UscfMember_lbl" xml:lang="en-US">USCF</label>
    <loc xlink:type="locator" xlink:href="uso-20220331.xsd#uso_SignificantAccountingPoliciesLineItems" xlink:label="uso_SignificantAccountingPoliciesLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="uso_SignificantAccountingPoliciesLineItems" xlink:to="uso_SignificantAccountingPoliciesLineItems_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="uso_SignificantAccountingPoliciesLineItems_lbl" xml:lang="en-US">Significant Accounting Policies [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="uso_SignificantAccountingPoliciesLineItems_lbl" xml:lang="en-US">Significant Accounting Policies [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="uso_SignificantAccountingPoliciesLineItems_lbl" xml:lang="en-US">Significant Accounting Policies</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxExaminationPenaltiesAndInterestExpense" xlink:label="us-gaap_IncomeTaxExaminationPenaltiesAndInterestExpense" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxExaminationPenaltiesAndInterestExpense" xlink:to="us-gaap_IncomeTaxExaminationPenaltiesAndInterestExpense_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxExaminationPenaltiesAndInterestExpense_lbl" xml:lang="en-US">Income Tax Examination, Penalties and Interest Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_IncomeTaxExaminationPenaltiesAndInterestExpense_lbl" xml:lang="en-US">Interest expense or penalties</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:to="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xml:lang="en-US">Weighted Average Number of Shares Outstanding, Diluted</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xml:lang="en-US">Weighted Average Number of Shares Outstanding</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:label="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:to="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_lbl" xml:lang="en-US">Schedule of Related Party Transactions, by Related Party [Table]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TypeOfArrangementAxis" xlink:label="us-gaap_TypeOfArrangementAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TypeOfArrangementAxis" xlink:to="us-gaap_TypeOfArrangementAxis_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_TypeOfArrangementAxis_lbl" xml:lang="en-US">Type Of Arrangement [Axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:label="us-gaap_ArrangementsAndNonarrangementTransactionsMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ArrangementsAndNonarrangementTransactionsMember" xlink:to="us-gaap_ArrangementsAndNonarrangementTransactionsMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ArrangementsAndNonarrangementTransactionsMember_lbl" xml:lang="en-US">Arrangements and Non-arrangement Transactions [Domain]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LicensingAgreementsMember" xlink:label="us-gaap_LicensingAgreementsMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LicensingAgreementsMember" xlink:to="us-gaap_LicensingAgreementsMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LicensingAgreementsMember_lbl" xml:lang="en-US">Licensing Agreements</label>
    <loc xlink:type="locator" xlink:href="uso-20220331.xsd#uso_UsoAndRelatedPublicFundsMember" xlink:label="uso_UsoAndRelatedPublicFundsMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="uso_UsoAndRelatedPublicFundsMember" xlink:to="uso_UsoAndRelatedPublicFundsMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="uso_UsoAndRelatedPublicFundsMember_lbl" xml:lang="en-US">USO And Related Public Funds</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_StatementScenarioAxis" xlink:label="srt_StatementScenarioAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_StatementScenarioAxis" xlink:to="srt_StatementScenarioAxis_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_StatementScenarioAxis_lbl" xml:lang="en-US">Scenario [Axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ScenarioUnspecifiedDomain" xlink:label="srt_ScenarioUnspecifiedDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_ScenarioUnspecifiedDomain" xlink:to="srt_ScenarioUnspecifiedDomain_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_ScenarioUnspecifiedDomain_lbl" xml:lang="en-US">Scenario, Unspecified [Domain]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ScenarioForecastMember" xlink:label="srt_ScenarioForecastMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_ScenarioForecastMember" xlink:to="srt_ScenarioForecastMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_ScenarioForecastMember_lbl" xml:lang="en-US">Forecast</label>
    <loc xlink:type="locator" xlink:href="uso-20220331.xsd#uso_FeesPaidAndRelatedPartyTransactionsLineItems" xlink:label="uso_FeesPaidAndRelatedPartyTransactionsLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="uso_FeesPaidAndRelatedPartyTransactionsLineItems" xlink:to="uso_FeesPaidAndRelatedPartyTransactionsLineItems_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="uso_FeesPaidAndRelatedPartyTransactionsLineItems_lbl" xml:lang="en-US">Fees Paid and Related Party Transactions [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="uso_FeesPaidAndRelatedPartyTransactionsLineItems_lbl" xml:lang="en-US">Fees Paid And Related Party Transactions [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="uso_FeesPaidAndRelatedPartyTransactionsLineItems_lbl" xml:lang="en-US">Fees Paid And Related Party Transactions</label>
    <loc xlink:type="locator" xlink:href="uso-20220331.xsd#uso_PercentageOfContractualObligationToPayFee" xlink:label="uso_PercentageOfContractualObligationToPayFee" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="uso_PercentageOfContractualObligationToPayFee" xlink:to="uso_PercentageOfContractualObligationToPayFee_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="uso_PercentageOfContractualObligationToPayFee_lbl" xml:lang="en-US">The percentage of Contractual Obligation to Pay Fee.</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="uso_PercentageOfContractualObligationToPayFee_lbl" xml:lang="en-US">Percentage of Contractual Obligation to Pay Fee</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="uso_PercentageOfContractualObligationToPayFee_lbl" xml:lang="en-US">USCF Management Fee</label>
    <loc xlink:type="locator" xlink:href="uso-20220331.xsd#uso_BaseFeePercentage" xlink:label="uso_BaseFeePercentage" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="uso_BaseFeePercentage" xlink:to="uso_BaseFeePercentage_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="uso_BaseFeePercentage_lbl" xml:lang="en-US">Base Fee Percentage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="uso_BaseFeePercentage_lbl" xml:lang="en-US">Base Fee Percentage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="uso_BaseFeePercentage_lbl" xml:lang="en-US">Fee percentage</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherGeneralExpense" xlink:label="us-gaap_OtherGeneralExpense" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherGeneralExpense" xlink:to="us-gaap_OtherGeneralExpense_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherGeneralExpense_lbl" xml:lang="en-US">Other General Expense</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_OtherGeneralExpense_lbl" xml:lang="en-US">Investor tax reporting cost</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongDurationContractsAssumptionsByProductAndGuaranteeTable" xlink:label="us-gaap_LongDurationContractsAssumptionsByProductAndGuaranteeTable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongDurationContractsAssumptionsByProductAndGuaranteeTable" xlink:to="us-gaap_LongDurationContractsAssumptionsByProductAndGuaranteeTable_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongDurationContractsAssumptionsByProductAndGuaranteeTable_lbl" xml:lang="en-US">Long Duration Contracts Assumptions By Product And Guarantee [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LongDurationContractsAssumptionsByProductAndGuaranteeTable_lbl" xml:lang="en-US">Long-Duration Contracts, Assumptions, by Product and Guarantee [Table]</label>
    <loc xlink:type="locator" xlink:href="uso-20220331.xsd#uso_MarketingAgreementMember" xlink:label="uso_MarketingAgreementMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="uso_MarketingAgreementMember" xlink:to="uso_MarketingAgreementMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="uso_MarketingAgreementMember_lbl" xml:lang="en-US">Marketing Agreement [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="uso_MarketingAgreementMember_lbl" xml:lang="en-US">Marketing Agreement</label>
    <loc xlink:type="locator" xlink:href="uso-20220331.xsd#uso_BrokerageAndFuturesCommissionMerchantAgreementsMember" xlink:label="uso_BrokerageAndFuturesCommissionMerchantAgreementsMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="uso_BrokerageAndFuturesCommissionMerchantAgreementsMember" xlink:to="uso_BrokerageAndFuturesCommissionMerchantAgreementsMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="uso_BrokerageAndFuturesCommissionMerchantAgreementsMember_lbl" xml:lang="en-US">Brokerage and Futures Commission Merchant Agreements</label>
    <loc xlink:type="locator" xlink:href="uso-20220331.xsd#uso_GroupThreeMember" xlink:label="uso_GroupThreeMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="uso_GroupThreeMember" xlink:to="uso_GroupThreeMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="uso_GroupThreeMember_lbl" xml:lang="en-US">Group Three [Member]</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="uso_GroupFourMember" xlink:to="uso_GroupFourMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="uso_GroupFourMember_lbl" xml:lang="en-US">Group Four [Member]</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="uso_GroupFiveMember" xlink:to="uso_GroupFiveMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="uso_GroupFiveMember_lbl" xml:lang="en-US">Group Five [Member]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_RangeAxis_lbl" xml:lang="en-US">Range [Axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeMember" xlink:label="srt_RangeMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_RangeMember" xlink:to="srt_RangeMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_RangeMember_lbl" xml:lang="en-US">Range [Domain]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MinimumMember" xlink:label="srt_MinimumMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_MinimumMember" xlink:to="srt_MinimumMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_MinimumMember_lbl" xml:lang="en-US">Minimum</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MaximumMember" xlink:label="srt_MaximumMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_MaximumMember" xlink:to="srt_MaximumMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_MaximumMember_lbl" xml:lang="en-US">Maximum</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongDurationContractsAssumptionsByProductAndGuaranteeLineItems_lbl" xml:lang="en-US">Long Duration Contracts Assumptions By Product And Guarantee [Line Items]</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MarketingExpense_lbl" xml:lang="en-US">Marketing Expense</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="uso_BasisAmountForFeePercentage" xlink:to="uso_BasisAmountForFeePercentage_lbl" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="uso_BasisAmountForFeePercentage_lbl" xml:lang="en-US">Basis Amount For Fee Percentage</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="uso_BasisAmountForFeePercentage_lbl" xml:lang="en-US">Base amount for determining fee percentage</label>
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="uso_RatioOfExpensesToAverageNetAssets_lbl" xml:lang="en-US">Ratio Of Expenses To Average Net Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="uso_RatioOfExpensesToAverageNetAssets_lbl" xml:lang="en-US">Ratio Of Expenses To Average Net Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="uso_RatioOfExpensesToAverageNetAssets_lbl" xml:lang="en-US">Ratio of expense to Average Net Assets</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="uso_CommissionsPaid" xlink:to="uso_CommissionsPaid_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="uso_CommissionsPaid_lbl" xml:lang="en-US">Commissions Paid</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="uso_CommissionsPaid_lbl" xml:lang="en-US">Commissions Paid</label>
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    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterimPeriodCostsNotAllocableDomain" xlink:to="us-gaap_InterimPeriodCostsNotAllocableDomain_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InterimPeriodCostsNotAllocableDomain_lbl" xml:lang="en-US">Interim Period, Costs Not Allocable [Domain]</label>
    <loc xlink:type="locator" xlink:href="uso-20220331.xsd#uso_CommissionMember" xlink:label="uso_CommissionMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="uso_CommissionMember" xlink:to="uso_CommissionMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="uso_CommissionMember_lbl" xml:lang="en-US">Commission</label>
    <loc xlink:type="locator" xlink:href="uso-20220331.xsd#uso_RebalancingInvestmentsTransactionMember" xlink:label="uso_RebalancingInvestmentsTransactionMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="uso_RebalancingInvestmentsTransactionMember" xlink:to="uso_RebalancingInvestmentsTransactionMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="uso_RebalancingInvestmentsTransactionMember_lbl" xml:lang="en-US">Rebalancing Investments Transaction [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="uso_RebalancingInvestmentsTransactionMember_lbl" xml:lang="en-US">Rebalancing Investments Transaction</label>
    <loc xlink:type="locator" xlink:href="uso-20220331.xsd#uso_TradesNecessitatedByCreationAndRedemptionActivityMember" xlink:label="uso_TradesNecessitatedByCreationAndRedemptionActivityMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="uso_TradesNecessitatedByCreationAndRedemptionActivityMember" xlink:to="uso_TradesNecessitatedByCreationAndRedemptionActivityMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="uso_TradesNecessitatedByCreationAndRedemptionActivityMember_lbl" xml:lang="en-US">Trades Necessitated By Creation And Redemption Activity [Member]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="uso_TradesNecessitatedByCreationAndRedemptionActivityMember_lbl" xml:lang="en-US">Creation And Redemption Activity</label>
    <loc xlink:type="locator" xlink:href="uso-20220331.xsd#uso_PercentageOfAverageDailyNetAssets" xlink:label="uso_PercentageOfAverageDailyNetAssets" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="uso_PercentageOfAverageDailyNetAssets" xlink:to="uso_PercentageOfAverageDailyNetAssets_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="uso_PercentageOfAverageDailyNetAssets_lbl" xml:lang="en-US">Percentage of Average Daily Net Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="uso_PercentageOfAverageDailyNetAssets_lbl" xml:lang="en-US">Percentage Of Average Daily Net Assets</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="uso_PercentageOfAverageDailyNetAssets_lbl" xml:lang="en-US">Percentage of average daily net assets</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LossContingenciesTable" xlink:label="us-gaap_LossContingenciesTable" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LossContingenciesTable" xlink:to="us-gaap_LossContingenciesTable_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LossContingenciesTable_lbl" xml:lang="en-US">Loss Contingencies [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LossContingenciesTable_lbl" xml:lang="en-US">Loss Contingencies [Table]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_LitigationCaseAxis" xlink:label="srt_LitigationCaseAxis" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_LitigationCaseAxis" xlink:to="srt_LitigationCaseAxis_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_LitigationCaseAxis_lbl" xml:lang="en-US">Litigation Case [Axis]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_LitigationCaseTypeDomain" xlink:label="srt_LitigationCaseTypeDomain" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_LitigationCaseTypeDomain" xlink:to="srt_LitigationCaseTypeDomain_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_LitigationCaseTypeDomain_lbl" xml:lang="en-US">Litigation Case [Domain]</label>
    <loc xlink:type="locator" xlink:href="uso-20220331.xsd#uso_SECInvestigationMember" xlink:label="uso_SECInvestigationMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="uso_SECInvestigationMember" xlink:to="uso_SECInvestigationMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="uso_SECInvestigationMember_lbl" xml:lang="en-US">SEC investigation member</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="uso_SECInvestigationMember_lbl" xml:lang="en-US">SEC</label>
    <loc xlink:type="locator" xlink:href="uso-20220331.xsd#uso_CftcInvestigationMember" xlink:label="uso_CftcInvestigationMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="uso_CftcInvestigationMember" xlink:to="uso_CftcInvestigationMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="uso_CftcInvestigationMember_lbl" xml:lang="en-US">CFTC investigation member</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="uso_CftcInvestigationMember_lbl" xml:lang="en-US">CFTC</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_USTreasurySecuritiesMember" xlink:label="us-gaap_USTreasurySecuritiesMember" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_USTreasurySecuritiesMember" xlink:to="us-gaap_USTreasurySecuritiesMember_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_USTreasurySecuritiesMember_lbl" xml:lang="en-US">US Treasury Securities</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LossContingenciesLineItems" xlink:label="us-gaap_LossContingenciesLineItems" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LossContingenciesLineItems" xlink:to="us-gaap_LossContingenciesLineItems_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LossContingenciesLineItems_lbl" xml:lang="en-US">Loss Contingencies [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LossContingenciesLineItems_lbl" xml:lang="en-US">Loss Contingencies</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Deposits" xlink:label="us-gaap_Deposits" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Deposits" xlink:to="us-gaap_Deposits_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_Deposits_lbl" xml:lang="en-US">Deposits</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_Deposits_lbl" xml:lang="en-US">Deposits in domestic and foreign financial institutions, including cash investments in money market funds</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PaymentsForLegalSettlements" xlink:label="us-gaap_PaymentsForLegalSettlements" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsForLegalSettlements" xlink:to="us-gaap_PaymentsForLegalSettlements_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsForLegalSettlements_lbl" xml:lang="en-US">Payments for Legal Settlements</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_PaymentsForLegalSettlements_lbl" xml:lang="en-US">Penalty paid</label>
    <loc xlink:type="locator" xlink:href="uso-20220331.xsd#uso_AggregateCivilPenaltyToBePaid" xlink:label="uso_AggregateCivilPenaltyToBePaid" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="uso_AggregateCivilPenaltyToBePaid" xlink:to="uso_AggregateCivilPenaltyToBePaid_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="uso_AggregateCivilPenaltyToBePaid_lbl" xml:lang="en-US">Represents the amount of civil penalty paid</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="uso_AggregateCivilPenaltyToBePaid_lbl" xml:lang="en-US">Aggregate Civil Penalty To Be Paid</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="uso_AggregateCivilPenaltyToBePaid_lbl" xml:lang="en-US">Aggregate penalty to be paid</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_AverageSalesPriceAndProductionCostsPerUnitOfProductionTable" xlink:label="srt_AverageSalesPriceAndProductionCostsPerUnitOfProductionTable" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_AverageSalesPriceAndProductionCostsPerUnitOfProductionTable_lbl" xml:lang="en-US">Average Sales Price And Production Costs Per Unit Of Production [Table]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="srt_AverageSalesPriceAndProductionCostsPerUnitOfProductionTable_lbl" xml:lang="en-US">Average Sales Price and Production Costs Per Unit of Production [Table]</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ConsolidatedOilAndGasProductionAbstract" xlink:label="srt_ConsolidatedOilAndGasProductionAbstract" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_ConsolidatedOilAndGasProductionAbstract_lbl" xml:lang="en-US">Average Sales Price And Production Costs Per Unit Of Production [Line Items]</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="srt_ConsolidatedOilAndGasProductionAbstract_lbl" xml:lang="en-US">Average Sales Price and Production Costs Per Unit of Production</label>
    <loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncreaseDecreaseInPartnersCapitalRollForward" xlink:label="us-gaap_IncreaseDecreaseInPartnersCapitalRollForward" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_IncreaseDecreaseInPartnersCapitalRollForward_lbl" xml:lang="en-US">Per Share Operating Performance:</label>
    <loc xlink:type="locator" xlink:href="uso-20220331.xsd#uso_TotalIncomeLossPerUnit" xlink:label="uso_TotalIncomeLossPerUnit" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="uso_TotalIncomeLossPerUnit" xlink:to="uso_TotalIncomeLossPerUnit_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="uso_TotalIncomeLossPerUnit_lbl" xml:lang="en-US">Total Income (Loss), Per Unit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="uso_TotalIncomeLossPerUnit_lbl" xml:lang="en-US">Total Income Loss Per Unit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="uso_TotalIncomeLossPerUnit_lbl" xml:lang="en-US">Total income (loss)</label>
    <loc xlink:type="locator" xlink:href="uso-20220331.xsd#uso_TotalExpensesPerUnit" xlink:label="uso_TotalExpensesPerUnit" />
    <labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="uso_TotalExpensesPerUnit" xlink:to="uso_TotalExpensesPerUnit_lbl" />
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="uso_TotalExpensesPerUnit_lbl" xml:lang="en-US">Total Expenses, Per Unit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="uso_TotalExpensesPerUnit_lbl" xml:lang="en-US">Total Expenses Per Unit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="uso_TotalExpensesPerUnit_lbl" xml:lang="en-US">Total expenses</label>
    <loc xlink:type="locator" xlink:href="uso-20220331.xsd#uso_IncreaseDecreaseInNetAssetValuePerUnit" xlink:label="uso_IncreaseDecreaseInNetAssetValuePerUnit" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="uso_IncreaseDecreaseInNetAssetValuePerUnit_lbl" xml:lang="en-US">Increase (Decrease) In Net Asset Value Per Unit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="uso_IncreaseDecreaseInNetAssetValuePerUnit_lbl" xml:lang="en-US">Increase Decrease In Net Asset Value Per Unit</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="uso_IncreaseDecreaseInNetAssetValuePerUnit_lbl" xml:lang="en-US">Net increase (decrease) in net asset value</label>
    <loc xlink:type="locator" xlink:href="uso-20220331.xsd#uso_RateOfReturnOnAverageAsset" xlink:label="uso_RateOfReturnOnAverageAsset" />
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    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="uso_RateOfReturnOnAverageAsset_lbl" xml:lang="en-US">Rate Of Return On Average Asset</label>
    <label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="uso_RateOfReturnOnAverageAsset_lbl" xml:lang="en-US">Rate Of Return On Average Asset</label>
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