<SEC-DOCUMENT>0001127602-11-019976.txt : 20110628
<SEC-HEADER>0001127602-11-019976.hdr.sgml : 20110628
<ACCEPTANCE-DATETIME>20110628180851
ACCESSION NUMBER:		0001127602-11-019976
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20110624
FILED AS OF DATE:		20110628
DATE AS OF CHANGE:		20110628

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			HEATH LEO A
		CENTRAL INDEX KEY:			0001524359

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-06814
		FILM NUMBER:		11936809

	MAIL ADDRESS:	
		STREET 1:		13 REDWOOD DR.
		CITY:			BUTTE
		STATE:			MT
		ZIP:			59701

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			US ENERGY CORP
		CENTRAL INDEX KEY:			0000101594
		STANDARD INDUSTRIAL CLASSIFICATION:	CRUDE PETROLEUM & NATURAL GAS [1311]
		IRS NUMBER:				830205516
		STATE OF INCORPORATION:			WY
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		877 NORTH 8TH WEST
		STREET 2:		GLEN L LARSEN BLDG
		CITY:			RIVERTON
		STATE:			WY
		ZIP:			82501
		BUSINESS PHONE:		3078569271

	MAIL ADDRESS:	
		STREET 1:		877 NORTH 8TH WEST
		CITY:			RIVERTON
		STATE:			WY
		ZIP:			82501

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	WESTERN STATES MINING INC
		DATE OF NAME CHANGE:	19851229
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2011-06-24</periodOfReport>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001524359</rptOwnerCik>
            <rptOwnerName>HEATH LEO A</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>877 N. 8TH ST. W.</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>RIVERTON</rptOwnerCity>
            <rptOwnerState>WY</rptOwnerState>
            <rptOwnerZipCode>82501</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Director/ Option(rtb)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>4.19</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2011-06-24</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>10000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>4.19</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2012-06-24</value>
            </exerciseDate>
            <expirationDate>
                <value>2021-06-24</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>U.S. Energy Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>10000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>10000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F1"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Stock options granted under the Issuer's 2008 SOP for the Independent Directors and Advisory Board Members granted on June 24, 2011 which vest in three (3) equal annual installments beginning June 24, 2012.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Mark J. Larsen, attorney-in-fact</signatureName>
        <signatureDate>2011-06-28</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
