July 29, 2008

Securities and Exchange Commission

Division of Corporation Finance

100 F Street, N.E.

Washington, D.C.  20549-7010

Attention:  Ms. Lily Dang

Re:	Clayton Williams Energy, Inc.
	Form 10-K for Fiscal Year Ended December 31, 2007
	Filed March 14, 2008
	Definitive Proxy Statement on Schedule 14A
	Filed March 25, 2008
	Form 10-Q for Fiscal Quarter Ended March 31, 2008
	Filed May 9, 2008
	Response Letters Dated June 10 and June 13, 2008
	File No. I-10924

Dear Ms. Dang:

As we discussed in our telephone conversation this morning, we are preparing detailed responses to the comments set forth in the Staff’s letter of July 16, 2008 and will furnish our responses to the Staff not later than August 13, 2008.

Please call Mike Pollard at (432) 688-3029 if you have any questions or need any additional information.

Sincerely,

/s/ Mel G. Riggs

Mel G. Riggs

Senior Vice President and

 Chief Financial Officer

cc:           Nabil Nehme (KPMG LLP)

William R. Volk (Vinson & Elkins L.L.P.)