FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN 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 * Whitson Mary L   2. Issuer Name and Ticker or Trading Symbol SANDRIDGE ENERGY INC [SD] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) SVP - Human Resources (Last) (First) (Middle) 1601 N. W. EXPRESSWAY, SUITE 1600 3. Date of Earliest Transaction (Month/Day/Year) 07/11/2008 (Street) OKLAHOMA CITY, OK 73118 4. If Amendment, Date Original Filed(Month/Day/Year) 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 Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 07/11/2008   F   798 D $ 61.46 33,725 D   Common Stock 07/11/2008   A   9,000 (1) A $ 0 42,725 D   Common Stock 07/14/2008   A   654 (2) A $ 35.86 43,379 D   Common Stock 07/14/2008   A   249 (2) A $ 39.15 43,628 D   Common Stock 07/14/2008   A   200 (2) A $ 60.53 43,828 D   Common Stock               1,212 I By 401(k) Plan

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Whitson Mary L 1601 N. W. EXPRESSWAY, SUITE 1600 OKLAHOMA CITY, OK 73118			SVP - Human Resources

Signatures

By: Gaye A. Wilkerson For: Mary L. Whitson		07/15/2008
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(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)	Shares of Restricted Stock granted July 11, 2008, which shall vest twenty-five percent on the 11th day of July in each of the years 2009, 2010, 2011 and 2012.
(2)	On July 11, 2008, the Company amended its Nonqualified Excess Plan. Consistent with its previously announced intentions, the Company made contributions in the form of Company stock to the plan to match deferrals made by the reporting person for 2007 and the first and second quarters of 2008. Contributions for 2007 and the first quarter of 2008 were made on 07/14/2008 based on the closing price of the Company's stock on 12/31/07 and 3/31/08, respectively. Company contributions for the second quarter of 2008 were made pursuant to an open market purchase on 07/14/2008.

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