-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 EtfMbc26Fia3txQ3awmhsvtN2FDxcQsM9Hb1Ubh7MEi/sFjKThRIvsIMU2Cfbk4u
 h1weIxhEEDdcqDJKlCNaTw==

<SEC-DOCUMENT>0001209191-09-021342.txt : 20090413
<SEC-HEADER>0001209191-09-021342.hdr.sgml : 20090413
<ACCEPTANCE-DATETIME>20090413151204
ACCESSION NUMBER:		0001209191-09-021342
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20090319
FILED AS OF DATE:		20090413
DATE AS OF CHANGE:		20090413

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Tyner James E
		CENTRAL INDEX KEY:			0001346249

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32693
		FILM NUMBER:		09746515

	MAIL ADDRESS:	
		STREET 1:		P.O. BOX 10460
		CITY:			MIDLAND
		STATE:			TX
		ZIP:			79702

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BASIC ENERGY SERVICES INC
		CENTRAL INDEX KEY:			0001109189
		STANDARD INDUSTRIAL CLASSIFICATION:	OIL, GAS FIELD SERVICES, NBC [1389]
		IRS NUMBER:				542091194
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		400 W. ILLINOIS, SUITE 800
		CITY:			MIDLAND
		STATE:			TX
		ZIP:			79701
		BUSINESS PHONE:		4326205500

	MAIL ADDRESS:	
		STREET 1:		400 W. ILLINOIS, SUITE 800
		CITY:			MIDLAND
		STATE:			TX
		ZIP:			79701

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SIERRA WELL SERVICE INC
		DATE OF NAME CHANGE:	20000313
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>c83850_4x0.xml
<DESCRIPTION>MAIN DOCUMENT DESCRIPTION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2009-03-19</periodOfReport>

    <issuer>
        <issuerCik>0001109189</issuerCik>
        <issuerName>BASIC ENERGY SERVICES INC</issuerName>
        <issuerTradingSymbol>BAS</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001346249</rptOwnerCik>
            <rptOwnerName>Tyner James E</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>P.O. BOX 10460</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>MIDLAND</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>79702</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>VP - Human Resources</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common stock</value>
            </securityTitle>
            <transactionDate>
                <value>2009-03-19</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>330</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>7.57</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>23950</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">In connection with the vesting of shares of restricted stock on March 19, 2009, in accordance with the Third Amended and Restated Basic Energy Services, Inc. 2003 Incentive Plan, the issuer withheld vested shares and agreed to satisfy the executive's withholding tax obligations in lieu of cash. The number of vested shares withheld was based on the closing price per share on March 19, 2009. The withholding of vested shares pursuant to this award was approved by the Compensation Committee of the board of directors of the issuer, and effective March 19, 2009, the number of shares indicated in this Form 4 were acquired as treasury stock by the issuer.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ John Cody Bissett, Attorney-in-Fact</signatureName>
        <signatureDate>2009-04-13</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----