Ownership Submission
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 *
  FAIRFAX FINANCIAL HOLDINGS LTD/ CAN
2. Date of Event Requiring Statement (Month/Day/Year)
12/21/2009
3. Issuer Name and Ticker or Trading Symbol
SANDRIDGE ENERGY INC [SD]
(Last)
(First)
(Middle)
95 WELLINGTON STREET WEST, SUITE 800
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

TORONTO, A6 M5J 2N7
6. Individual or Joint/Group Filing(Check Applicable Line)
___ Form filed by One Reporting Person
_X_ 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, $0.001 par value (?Common Shares?) 6,673,600
I
See footnote (1)

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
6.0% Conv. Perpetual Preferred Stock (?Preferred Shares?) 02/01/2010   (2) Common Stock, $0.001 par value 18,422,992 (3) $ (3) I See footnote (4)

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
FAIRFAX FINANCIAL HOLDINGS LTD/ CAN
95 WELLINGTON STREET WEST
SUITE 800
TORONTO, A6 M5J 2N7
    X    
WATSA V PREM ET AL
95 WELLINGTON STREET WEST
SUITE 800
TORONTO, A6 M5J 2N7
    X    
1109519 ONTARIO LTD
95 WELLINGTON STREET WEST
SUITE 800
TORONTO, A6 M5J 2N7
    X    
SIXTY TWO INVESTMENT CO LTD
1600 CATHEDRAL PLACE
925 WEST GEORGIA ST.
VANCOUVER, A1 V6C 3L3
    X    
810679 ONTARIO LTD
95 WELLINGTON STREET WEST
SUITE 800
TORONTO, A6 M5J 2N7
    X    

Signatures

/s/ Paul Rivett, Vice President and Chief Legal Officer 12/30/2009
**Signature of Reporting Person Date

/s/ V. Prem Watsa 12/30/2009
**Signature of Reporting Person Date

/s/ V. Prem Watsa, President 12/30/2009
**Signature of Reporting Person Date

/s/ V. Prem Watsa, President 12/30/2009
**Signature of Reporting Person Date

/s/ V. Prem Watsa, President 12/30/2009
**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) 147,000 Common Shares are held directly by V. Prem Watsa, 260,000 Common Shares are held by Markel Insurance Company of Canada, 150,000 Common Shares are held by Federated Insurance Company of Canada, 406,000 Common Shares are held by Commonwealth Insurance Company, 883,000 Common Shares are held by Lombard General Insurance Company of Canada, 658,000 Common Shares are held by United States Fire Insurance Company and 4,169,600 Common Shares are held by Odyssey America Reinsurance Corporation.
(2) The Preferred Shares are convertible into Common Shares at the option of the holder thereof at any time prior to December 21, 2014 , on which date the Preferred Shares will be automatically converted into Common Shares.
(3) Each Preferred Share is convertible into 9.21 Common Shares, subject to adjustment under certain circumstances.
(4) 70,000 Preferred Shares are held by Markel Insurance Company of Canada, 40,000 Preferred Shares are held by Federated Insurance Company of Canada, 110,000 Preferred Shares are held by Commonwealth Insurance Company, 240,000 Preferred Shares are held by Lombard General Insurance Company of Canada, 500,000 Preferred Shares are held by Fairfax Inc. and 250,000 Preferred Shares are held by The North River Insurance Company, 750,000 Preferred Shares are held by Odyssey America Reinsurance Corporation and 40,000 Preferred Shares held by pension plans of certain subsidiaries of Fairfax Financial Holdings Limited.

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