<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2006-07-03</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000101594</issuerCik>
        <issuerName>US ENERGY CORP</issuerName>
        <issuerTradingSymbol>USEG</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001065871</rptOwnerCik>
            <rptOwnerName>LARSEN JOHN L</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>877 NORTH 8TH WEST</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>RIVERTON</rptOwnerCity>
            <rptOwnerState>WY</rptOwnerState>
            <rptOwnerZipCode>82501</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>U.S. Energy Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2006-07-03</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>2500</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>658541</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                    <footnoteId id="F5"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>U.S. Energy Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>812915</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                    <footnoteId id="F6"/>
                    <footnoteId id="F7"/>
                    <footnoteId id="F8"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Corporation</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>U.S. Energy Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>151192</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                    <footnoteId id="F9"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Immediate Family</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
        <nonDerivativeHolding>
            <securityTitle>
                <value>U.S. Energy Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>155811</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                    <footnoteId id="F10"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Trust</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Employee Option 1 (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>2.875</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>1998-12-04</value>
            </exerciseDate>
            <expirationDate>
                <value>2008-09-05</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>U.S. Energy Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>34782</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>34782</value>
                    <footnoteId id="F11"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Employee Option 1a (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>2.000</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>1998-12-04</value>
            </exerciseDate>
            <expirationDate>
                <value>2008-09-25</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>U.S. Energy Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>77718</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>77718</value>
                    <footnoteId id="F11"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Employee Option 2 (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>2.400</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2001-01-10</value>
            </exerciseDate>
            <expirationDate>
                <value>2011-01-09</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>U.S. Energy Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>184400</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>184400</value>
                    <footnoteId id="F11"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Employee Option 3 (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>3.900</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2001-12-07</value>
            </exerciseDate>
            <expirationDate>
                <value>2011-12-06</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>U.S. Energy Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>100000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>100000</value>
                    <footnoteId id="F12"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Employee Option 4 (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>2.250</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2002-08-08</value>
            </exerciseDate>
            <expirationDate>
                <value>2011-12-07</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>U.S. Energy Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>97000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>97000</value>
                    <footnoteId id="F12"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Employee Option 5 (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>2.460</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2004-07-01</value>
            </exerciseDate>
            <expirationDate>
                <value>2014-06-30</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>U.S. Energy Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>125000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>125000</value>
                    <footnoteId id="F12"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeHolding>
        <derivativeHolding>
            <securityTitle>
                <value>Employee Option 6 (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>3.860</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2005-10-14</value>
            </exerciseDate>
            <expirationDate>
                <value>2015-10-13</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>U.S. Energy Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>100000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>100000</value>
                    <footnoteId id="F12"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Shares issued to the Reporting Person under the USEG 2001 Stock Compensation Plan.  The issuance of these shares is for the funding obligation under the plan for the third quarter of the calendar year ending December 31, 2006.  The Issuer has agreed under the terms of the Plan to pay all taxes due.  The Reporting Person has agreed not to sell these shares to the market or pledge them on obligations until after his (i) retirement; (ii) total disability or (iii) in the case of the death of the Reporting Person his estate may sell the shares of stock.</footnote>
        <footnote id="F2">Includes 445,923 shares contributed by the Reporting Person and the Reporting Person's Wife into a Family Limited Partnership.</footnote>
        <footnote id="F3">Includes 500 shares held in a street name account for the benefit of the Reporting Person.</footnote>
        <footnote id="F4">Includes 66,918 shares held in an Individual Retirement Account (IRA) for the benefit of the Reporting Person.</footnote>
        <footnote id="F5">Includes 25,200 shares issued under the  Restricted Stock Bonus Plan and 120,000 shares issued under the 1996 Stock Award program all of which are subject to forfeiture by the Reporting Person. Shares issued under the 1996 Stock Award program vest over a 5-year period at the rate of 20% per year, The forfeitable shares issued under both plans are deemed 'earned out' by the Reporting Person: (i) if he is continuously employed by USEG until he retires; (ii) if he becomes disabled; (iii) upon his death, or (iv) if the shares are claimed within three years following the occurrence of (i) (ii) (iii). The treasurer of USEG holds the shares in trust for the benefit of the Reporting Person, while non-employee directors of USEG exercise shared voting and dispositive rights over all forfeitable shares. The acquisitions of the shares by the Reporting Person from both the Bonus Plan and the Award Program are exempt under Rule 16b-3.</footnote>
        <footnote id="F6">Includes 512,359 shares held by Crested Corp. (Crested), a majority-owned subsidiary of USEG. The Reporting Person is an Officer and/or Director of both USEG and Crested and is not a controlling shareholder and does not have or share investment controll over these shares, and therefore does not have a pecuniary interest in the USEG shares held by Crested, under rule 16a-1(a)(2)(iii).</footnote>
        <footnote id="F7">Includes 175,000 shares held by Sutter Gold Mining Company (SGMC), a subsidiary of USEG. The Reporting Person is an Officer and/or Director of both USEG and SGMC and is not a controlling shareholder and does not have or share investment controll over these shares, and therefore does not have a pecuniary interest in the USEG shares held by SGMC, under rule 16a-1(a)(2)(iii).</footnote>
        <footnote id="F8">Includes 125,556 shares held by Plateau Resources Limited (Plateau), a wholly owned subsidiary of USEG. The Reporting Person is an Officer and/or Director of both USEG and Plateau and is not a controlling shareholder and does not have or share investment controll over these shares, and therefore does not have a pecuniary interest in the USEG shares held by Plateau, under rule 16a-1(a)(2)(iii).</footnote>
        <footnote id="F9">Includes a balance of shares held in ESOP accounts established to benefit members of the Reporting Persons 'Immediate Family', as that term is defined in Rule 16a-1(e), in accordance with Rule 16a-8(b)(2).</footnote>
        <footnote id="F10">Includes  shares held in the ESOP which are not allocated to accounts established for the benefit of specific plan participants. The Reporting Person, as an ESOP Trustee, exercises the voting powers with respect to such unallocated shares.</footnote>
        <footnote id="F11">Includes stock options granted under the Issuer's 1998 Incentive Stock Option Plan and exempt under Rule 16b-3.</footnote>
        <footnote id="F12">Includes stock options granted under the Issuer's 2001 Incentive Stock Option Plan and exempt under Rule 16b-3.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>By: Robert Scott Lorimer Attorney in Fact</signatureName>
        <signatureDate>2006-07-05</signatureDate>
    </ownerSignature>
</ownershipDocument>
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X0202
4
2006-07-03
0
0000101594
US ENERGY CORP
USEG
0001065871
LARSEN JOHN L
877 NORTH 8TH WEST
RIVERTON
WY
82501
1
0
0
0
U.S. Energy Common Stock
2006-07-03
4
J
0
2500
0
A
658541
D
U.S. Energy Common Stock
812915
I
By Corporation
U.S. Energy Common Stock
151192
I
By Immediate Family
U.S. Energy Common Stock
155811
I
By Trust
Employee Option 1 (Right to Buy)
2.875
1998-12-04
2008-09-05
U.S. Energy Common Stock
34782
34782
D
Employee Option 1a (Right to Buy)
2.000
1998-12-04
2008-09-25
U.S. Energy Common Stock
77718
77718
D
Employee Option 2 (Right to Buy)
2.400
2001-01-10
2011-01-09
U.S. Energy Common Stock
184400
184400
D
Employee Option 3 (Right to Buy)
3.900
2001-12-07
2011-12-06
U.S. Energy Common Stock
100000
100000
D
Employee Option 4 (Right to Buy)
2.250
2002-08-08
2011-12-07
U.S. Energy Common Stock
97000
97000
D
Employee Option 5 (Right to Buy)
2.460
2004-07-01
2014-06-30
U.S. Energy Common Stock
125000
125000
D
Employee Option 6 (Right to Buy)
3.860
2005-10-14
2015-10-13
U.S. Energy Common Stock
100000
100000
D
Shares issued to the Reporting Person under the USEG 2001 Stock Compensation Plan.  The issuance of these shares is for the funding obligation under the plan for the third quarter of the calendar year ending December 31, 2006.  The Issuer has agreed under the terms of the Plan to pay all taxes due.  The Reporting Person has agreed not to sell these shares to the market or pledge them on obligations until after his (i) retirement; (ii) total disability or (iii) in the case of the death of the Reporting Person his estate may sell the shares of stock.
Includes 445,923 shares contributed by the Reporting Person and the Reporting Person's Wife into a Family Limited Partnership.
Includes 500 shares held in a street name account for the benefit of the Reporting Person.
Includes 66,918 shares held in an Individual Retirement Account (IRA) for the benefit of the Reporting Person.
Includes 25,200 shares issued under the  Restricted Stock Bonus Plan and 120,000 shares issued under the 1996 Stock Award program all of which are subject to forfeiture by the Reporting Person. Shares issued under the 1996 Stock Award program vest over a 5-year period at the rate of 20% per year, The forfeitable shares issued under both plans are deemed 'earned out' by the Reporting Person: (i) if he is continuously employed by USEG until he retires; (ii) if he becomes disabled; (iii) upon his death, or (iv) if the shares are claimed within three years following the occurrence of (i) (ii) (iii). The treasurer of USEG holds the shares in trust for the benefit of the Reporting Person, while non-employee directors of USEG exercise shared voting and dispositive rights over all forfeitable shares. The acquisitions of the shares by the Reporting Person from both the Bonus Plan and the Award Program are exempt under Rule 16b-3.
Includes 512,359 shares held by Crested Corp. (Crested), a majority-owned subsidiary of USEG. The Reporting Person is an Officer and/or Director of both USEG and Crested and is not a controlling shareholder and does not have or share investment controll over these shares, and therefore does not have a pecuniary interest in the USEG shares held by Crested, under rule 16a-1(a)(2)(iii).
Includes 175,000 shares held by Sutter Gold Mining Company (SGMC), a subsidiary of USEG. The Reporting Person is an Officer and/or Director of both USEG and SGMC and is not a controlling shareholder and does not have or share investment controll over these shares, and therefore does not have a pecuniary interest in the USEG shares held by SGMC, under rule 16a-1(a)(2)(iii).
Includes 125,556 shares held by Plateau Resources Limited (Plateau), a wholly owned subsidiary of USEG. The Reporting Person is an Officer and/or Director of both USEG and Plateau and is not a controlling shareholder and does not have or share investment controll over these shares, and therefore does not have a pecuniary interest in the USEG shares held by Plateau, under rule 16a-1(a)(2)(iii).
Includes a balance of shares held in ESOP accounts established to benefit members of the Reporting Persons 'Immediate Family', as that term is defined in Rule 16a-1(e), in accordance with Rule 16a-8(b)(2).
Includes  shares held in the ESOP which are not allocated to accounts established for the benefit of specific plan participants. The Reporting Person, as an ESOP Trustee, exercises the voting powers with respect to such unallocated shares.
Includes stock options granted under the Issuer's 1998 Incentive Stock Option Plan and exempt under Rule 16b-3.
Includes stock options granted under the Issuer's 2001 Incentive Stock Option Plan and exempt under Rule 16b-3.
By: Robert Scott Lorimer Attorney in Fact
2006-07-05