EX-23 2 cweiexhibit23123109.htm EXHIBIT 23 cweiexhibit23123109.htm
Exhibit 23


Consent of Independent Registered Public Accounting Firm


The Plan Administrator
Clayton Williams Energy, Inc. 401(k) Plan and Trust:

We consent to the incorporation by reference in the Registration Statement (No. 33-69688) on Form S-8 of Clayton Williams Energy, Inc. of our report dated June 28, 2010, relating to our audit of the financial statements and the financial statement schedule, which appear in this Annual Report on Form 11-K of Clayton Williams Energy, Inc. 401(k) Plan and Trust for the years ended December 31, 2009 and 2008.




Hein & Associates LLP

June 28, 2010
Dallas, Texas