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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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<SEC-DOCUMENT>0001349436-08-000080.txt : 20080527
<SEC-HEADER>0001349436-08-000080.hdr.sgml : 20080526
<ACCEPTANCE-DATETIME>20080527170210
ACCESSION NUMBER:		0001349436-08-000080
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20080522
FILED AS OF DATE:		20080527
DATE AS OF CHANGE:		20080527

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SANDRIDGE ENERGY INC
		CENTRAL INDEX KEY:			0001349436
		STANDARD INDUSTRIAL CLASSIFICATION:	CRUDE PETROLEUM & NATURAL GAS [1311]
		IRS NUMBER:				208084793
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1601 NW EXPRESSWAY
		STREET 2:		SUITE 1600
		CITY:			OKLAHOMA CITY
		STATE:			OK
		ZIP:			73118
		BUSINESS PHONE:		405-753-5500

	MAIL ADDRESS:	
		STREET 1:		1601 NW EXPRESSWAY
		STREET 2:		SUITE 1600
		CITY:			OKLAHOMA CITY
		STATE:			OK
		ZIP:			73118

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	RIATA ENERGY INC
		DATE OF NAME CHANGE:	20060111

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Ward Tom L.
		CENTRAL INDEX KEY:			0001038276

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33784
		FILM NUMBER:		08861339

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		405-753-5601

	MAIL ADDRESS:	
		STREET 1:		1601 N.W. EXPRESSWAY
		STREET 2:		SUITE 1600
		CITY:			OKLAHOMA CITY
		STATE:			OK
		ZIP:			73118

	FORMER NAME:	
		FORMER CONFORMED NAME:	WARD TOM L
		DATE OF NAME CHANGE:	19970424
</SEC-HEADER>
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<SEQUENCE>1
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        <issuerTradingSymbol>SD</issuerTradingSymbol>
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            <rptOwnerName>Ward Tom L.</rptOwnerName>
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            <rptOwnerState>OK</rptOwnerState>
            <rptOwnerZipCode>73118</rptOwnerZipCode>
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            <isTenPercentOwner>1</isTenPercentOwner>
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    <ownerSignature>
        <signatureName>By: Gaye A. Wilkerson  For: Tom L. Ward</signatureName>
        <signatureDate>2008-05-27</signatureDate>
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</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----