Sec Form 4 Filing - REESBY PATRICK C @ CLAYTON WILLIAMS ENERGY INC /DE - 2012-01-17

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 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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1. Name and Address of Reporting Person REESBY PATRICK C 2. Issuer Name and Ticker or Trading Symbol CLAYTON WILLIAMS ENERGY INC /DE [ CWEI] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Vice President (Last) (First) (Middle) 700 ROCKMEAD, SUITE 159 3. Date of Earliest Transaction (MM/DD/YY) 01/17/2012 (Street) HOUSTON, TX77339 4. If Amendment, Date Original Filed (MM/DD/YY) 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 (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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, $.10 par value 01/17/2012 S 200 D $ 75.96 3,894 D Common Stock, $.10 par value 01/17/2012 S 100 D $ 75.97 3,794 D Common Stock, $.10 par value 01/17/2012 S 894 D $ 76.01 2,900 D Common Stock, $.10 par value 01/17/2012 S 498 D $ 76.18 2,402 D Common Stock, $.10 par value 01/17/2012 S 200 D $ 76.19 2,202 D Common Stock, $.10 par value 01/17/2012 S 102 D $ 76.2 2,100 D Common Stock, $.10 par value 01/17/2012 S 100 D $ 76.265 2,000 D Common Stock, $.10 par value 01/17/2012 I 5,766 D $ 75.975 5,779 I See footnote ( 1 )

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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 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 REESBY PATRICK C 700 ROCKMEAD, SUITE 159 HOUSTON, TX77339 Vice President Signatures /s/ Patrick C. Reesby by Mel G. Riggs as attorney-in-fact 01/19/2012 Signature of Reporting Person Date

Explanation of Responses:

( 1 )These shares are held in the Company's 401(k) Plan (the "Plan"). On January 17, 2012, Mr. Reesby disposed of 5766 shares of Common Stock through the voluntary transfer of investment funds within the Plan. In addition, Mr. Reesby acquired 369 shares through involuntary pre-tax deferrals and matching contributions made by the Company subsequent to the date of the previous Form 4 filed by Mr. Reesby on June 17, 2011

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* 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).

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