Exhibit 23.1
DEGOLYER AND MACNAUGHTON
5001 SPRING VALLEY ROAD
SUITE 800 EAST
DALLAS, TEXAS 75244
September 18, 2012
Approach Resources Inc.
One Ridgmar Centre
6500 West Freeway, Suite 800
Fort Worth, Texas 76116
Ladies and Gentlemen:
We consent to the use of the name DeGolyer and MacNaughton and to the inclusion of our third-party letter report dated July 6, 2012, containing our opinion on the proved reserves attributable to certain properties owned by Approach Resources Inc. (Approach) as of June 30, 2012, in the Form 8-K to be filed on or about September 18, 2012, including any amendments thereto.
We hereby further consent to the incorporation by reference in Registration Statement (No. 333-174318) on Form S-3, Registration Statement (No. 333-148951) on Form S-8 and Registration Statement (No. 333-183069) on Form S-8 of Approach of the name DeGolyer and MacNaughton and such letter report with respect to the oil and gas reserves of Approach.
Very truly yours, |
/s/ DeGOLYER and MacNAUGHTON |
DeGOLYER and MacNAUGHTON Texas Registered Engineering Firm F-716 |