FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person *   CHANG WAYNE 2. Date of Event Requiring Statement (Month/Day/Year) 01/09/2009 3. Issuer Name and Ticker or Trading Symbol SANDRIDGE ENERGY INC [SD] (Last) (First) (Middle) 123 ROBERT S. KERR AVENUE 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) SVP-Midstream 5. If Amendment, Date Original Filed(Month/Day/Year) 01/13/2009 (Street) OKLAHOMA CITY, OK 73102-6406 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Beneficially Owned

1.Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5) Common Stock 35,086 (1) D   Common Stock 904 I by 401(k)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
CHANG WAYNE 123 ROBERT S. KERR AVENUE OKLAHOMA CITY, OK 73102-6406	Â	Â	  SVP-Midstream	Â

Signatures

By: Gaye A. Wilkerson, Power of Attorney		01/26/2009
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 5(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	Includes 3,750 shares of Restricted Stock granted February 28, 2007 which shall vest thirty-three percent on the 28th day of February of each of 2009, 2010 and 2011; 2,250 shares of Restricted Stock granted July 11, 2007 which shall vest thirty-three percent on the 11th day of July of each years 2009, 2010 and 2011; 4,000 shares of Restricted Stock granted January 11, 2008 which vest twenty-five percent on the 11th day of January of each of 2009, 2010, 2011and 2012; 5,000 shares of Restricted Stock granted July 11, 2008 which shall vest twenty-five percent on the 11th day of July of each of 2009, 2010, 2011 and 2012; 5,000 shares of Restricted Stock granted October 7, 2008 which shall vest twenty-five percent on the 7th day of October of each of 2009, 2010, 2011 and 2012; and 10,000 shares of Restricted Stock granted January 9, 2009, which shall vest twenty-five percent on the 9th day of January of each of 2010, 2011, 2012 and 2013.

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