<SEC-DOCUMENT>0001209191-12-020539.txt : 20120330
<SEC-HEADER>0001209191-12-020539.hdr.sgml : 20120330
<ACCEPTANCE-DATETIME>20120330110049
ACCESSION NUMBER:		0001209191-12-020539
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20120328
FILED AS OF DATE:		20120330
DATE AS OF CHANGE:		20120330

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			CURTIS CHARLES G
		CENTRAL INDEX KEY:			0001196423

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-31398
		FILM NUMBER:		12726710

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NATURAL GAS SERVICES GROUP INC
		CENTRAL INDEX KEY:			0001084991
		STANDARD INDUSTRIAL CLASSIFICATION:	OIL, GAS FIELD SERVICES, NBC [1389]
		IRS NUMBER:				752811855
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		2911 SCR 1260
		CITY:			MIDLAND
		STATE:			TX
		ZIP:			79706
		BUSINESS PHONE:		9155633974

	MAIL ADDRESS:	
		STREET 1:		2911 SCR 1260
		CITY:			MIDLAND
		STATE:			TX
		ZIP:			79706
</SEC-HEADER>
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<TYPE>4
<SEQUENCE>1
<FILENAME>c28170_4x0.xml
<DESCRIPTION>MAIN DOCUMENT DESCRIPTION
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    <schemaVersion>X0305</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2012-03-28</periodOfReport>

    <issuer>
        <issuerCik>0001084991</issuerCik>
        <issuerName>NATURAL GAS SERVICES GROUP INC</issuerName>
        <issuerTradingSymbol>NGS</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001196423</rptOwnerCik>
            <rptOwnerName>CURTIS CHARLES G</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1 PENROSE LANE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>COLORADO SPRINGS</rptOwnerCity>
            <rptOwnerState>CO</rptOwnerState>
            <rptOwnerZipCode>80906</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
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    </reportingOwner>

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                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionAmounts>
                <transactionShares>
                    <value>2500</value>
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                <transactionPricePerShare>
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    <footnotes>
        <footnote id="F1">The acquisition of the 2,500 shares of common stock reflects an award of restricted stock on March 28, 2012, pursuant to the Company's 2009 Restricted Stock/Unit Plan. The award vests in installments of 625 shares beginning on March 31, 2013, with additional 625 share installments vesting on June 30, September 30 and December 31, 2013, although the award is also subject to accelerated vesting upon the death, disability or retirement of the recipient, or upon a change in control of the Company.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Charles G. Curtis</signatureName>
        <signatureDate>2012-03-30</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
