Attached files
Exhibit
23.3
CONSENT
OF INDEPENDENT ENGINEERS
As
independent engineering consultants, Ryder Scott Company, LP hereby consents to
the use of our report entitled “Southwest Royalties, Inc., Estimated Future
Reserves and Income Attributable to Certain Leasehold and Royalty Interests, SEC
Parameters, as of December 31, 2009” dated January 26, 2010 and data
extracted therefrom (and all references to our Firm) included in or made a part
of this Form 10-K Annual Report to be filed on or about March 12, 2010 and
to the incorporation by reference of this Form 10-K Annual Report (including the
use of our report and references to our Firm herein) into that certain
Registration Statement on Form S-3 filed by Clayton Williams Energy, Inc. with
the Securities and Exchange Commission, file number 333-116825, and those
certain Registration Statements on Form S-8 filed by Clayton Williams Energy,
Inc. with the Securities and Exchange Commission, file numbers 33-68320,
33-68316, 33-69688, and 33-92834 covering the Bonus Incentive Plan of Clayton
Williams Energy, Inc., Outside Directors Stock Option Plan of Clayton Williams
Energy, Inc., Clayton Williams Energy, Inc. 401(k) Plan & Trust, and the
Executive Incentive Stock Compensation Plan of Clayton Williams Energy, Inc.,
respectively.
RYDER SCOTT COMPANY, LP
TBPE Firm Registration No.
F-1580
Houston,
Texas
March 12,
2010