Exhibit 23.3
DEGOLYERAND MACNAUGHTON
5001 SPRING VALLEY ROAD
SUITE 800 EAST
DALLAS, TEXAS 75244
June 3, 2013
Approach Resources Inc.
One Ridgmar Centre
6500 West Freeway, Suite 800
Fort Worth, Texas 76116
Ladies and Gentlemen:
We hereby consent to the incorporation by reference in this Post-Effective Amendment No. 1 to the Registration Statement (No. 333-174318) on Form S-3ASR of Approach Resources Inc. (“Approach”) to be filed on or about June 3, 2013, of all references to our firm and information from our letter report dated February 18, 2013, included in or made a part of the Annual Report on Form 10-K of Approach for the year ended December 31, 2012. We also consent to the reference to us under the heading “Experts” in such Registration Statement.
| Very truly yours, |
| /s/ DeGolyer and MacNaughton |
| DEGOLYER AND MACNAUGHTON |
| Texas Registered Engineering Firm F-716 |
