Exhibit 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We hereby consent to the incorporation by reference in this Registration Statement on Form S-3 (the “Registration Statement”) of Approach Resources Inc. (the “Company”) of our reports dated February 25, 2014 relating to our audits of the consolidated financial statements and internal control over financial reporting, which appear in the Company’s Annual Report on Form 10-K for the year ended December 31, 2013. We also consent to the reference to us under the heading “Experts” in such Registration Statement.
/s/ Hein & Associates LLP
Dallas, Texas
May 12, 2014