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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 UQLs/rf4Lfsm5qEGPHAHew==

<SEC-DOCUMENT>0001209191-10-054370.txt : 20101112
<SEC-HEADER>0001209191-10-054370.hdr.sgml : 20101111
<ACCEPTANCE-DATETIME>20101112061218
ACCESSION NUMBER:		0001209191-10-054370
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20101104
FILED AS OF DATE:		20101112
DATE AS OF CHANGE:		20101112

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			KEY ENERGY SERVICES INC
		CENTRAL INDEX KEY:			0000318996
		STANDARD INDUSTRIAL CLASSIFICATION:	DRILLING OIL & GAS WELLS [1381]
		IRS NUMBER:				042648081
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1301 MCKINNEY STREET
		STREET 2:		SUITE 1800
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77010
		BUSINESS PHONE:		713-651-4300

	MAIL ADDRESS:	
		STREET 1:		1301 MCKINNEY STREET
		STREET 2:		SUITE 1800
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77010

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	KEY ENERGY GROUP INC
		DATE OF NAME CHANGE:	19950217

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	NATIONAL ENVIRONMENTAL GROUP INC
		DATE OF NAME CHANGE:	19921228

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	YANKEE COMPANIES INC
		DATE OF NAME CHANGE:	19891012

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			OFS Holdings, LLC
		CENTRAL INDEX KEY:			0001502947
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-08038
		FILM NUMBER:		101182275

	BUSINESS ADDRESS:	
		STREET 1:		200 CLARENDON STREET, 55TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02117
		BUSINESS PHONE:		617-867-4698

	MAIL ADDRESS:	
		STREET 1:		200 CLARENDON STREET, 55TH FLOOR
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02117
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>c07765_4x0.xml
<DESCRIPTION>MAIN DOCUMENT DESCRIPTION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2010-11-04</periodOfReport>

    <issuer>
        <issuerCik>0000318996</issuerCik>
        <issuerName>KEY ENERGY SERVICES INC</issuerName>
        <issuerTradingSymbol>KEG</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001502947</rptOwnerCik>
            <rptOwnerName>OFS Holdings, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>200 CLARENDON STREET, 55TH FLOOR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BOSTON</rptOwnerCity>
            <rptOwnerState>MA</rptOwnerState>
            <rptOwnerZipCode>02117</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2010-11-04</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>11474785</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F2"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>11474785</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2010-11-04</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F3"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>104749</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F4"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>11370036</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2839825</value>
                    <footnoteId id="F5"/>
                    <footnoteId id="F6"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By OFS Energy Services, LLC</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">OFS Energy Services, LLC made a distribution of 12,967,408 shares of common stock of the issuer to its members pursuant to the First Amended and Restated Limited Liability Company Agreement of OFS Energy Services, LLC and to certain other persons pursuant to the OFS Energy Services, LLC Transaction Bonus Plan (the &quot;Distribution&quot;).  OFS Holdings, LLC received 11,474,785 shares in the Distribution.</footnote>
        <footnote id="F2">See Footnote (1).</footnote>
        <footnote id="F3">OFS Holdings, LLC transferred 104,749 of the shares received in the Distribution to certain former employees pursuant to the OFS Holdings, LLC Amended and Restated Participation Incentive Plan.</footnote>
        <footnote id="F4">See Footnote (3).</footnote>
        <footnote id="F5">As the controlling membership interest owner of OFS Energy Services, LLC, OFS Holdings, LLC may be deemed to be the indirect beneficial owner of shares of common stock of the issuer beneficially owned by OFS Energy Services, LLC.  Prior to the Distribution, OFS Energy Services, LLC beneficially owned 15,807,233 shares of common stock of the issuer.  Following the Distribution, OFS Energy Services, LLC beneficially owns 2,839,825 shares of common stock of the issuer.</footnote>
        <footnote id="F6">The reporting person disclaims beneficial ownership of all securities of the issuer except for shares of common stock of the issuer reported above as being directly owned by the reporting person and shares held by OFS Energy Services, LLC in which OFS Holdings, LLC has a pecuniary interest.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Daniel R. Revers, Chairman of OFS Holdings, LLC</signatureName>
        <signatureDate>2010-11-04</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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