Attached files

file filename
10-K/A - 10-K/A - GASTAR EXPLORATION, INC.gst-1231201210xkapartiv.htm
EX-31.3 - CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER USA - GASTAR EXPLORATION, INC.gst-1231201210xkaxex313.htm
EX-32.3 - CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER USA - GASTAR EXPLORATION, INC.gst-1231201210xkaxex323.htm
EX-32.4 - CERTIFICATION OF PRINCIPAL FINANCIAL OFFICER USA - GASTAR EXPLORATION, INC.gst-1231201210xkaxex324.htm
EX-31.4 - CERTIFICATION OF PRINCIPAL FINANCIAL OFFICER USA - GASTAR EXPLORATION, INC.gst-1231201210xkaxex314.htm
EX-31.1 - CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER LTD - GASTAR EXPLORATION, INC.gst-1231201210xkaxex311.htm
EX-99.1 - REPORT OF NETHERLAND SEWELL & ASSOC INC - GASTAR EXPLORATION, INC.gst-1231201210xkaxex991rep.htm
EX-31.2 - CERTIFICATION OF PRINCIPAL FINANCIAL OFFICER LTD - GASTAR EXPLORATION, INC.gst-1231201210xkaxex312.htm




CONSENT OF INDEPENDENT PETROLEUM ENGINEERS AND GEOLOGISTS
 
 
We hereby consent to the inclusion in this Amendment No. 2 on Form 10-K/A to Gastar Exploration Ltd.'s and Gastar Exploration USA, Inc.'s Annual Report on Form 10-K for the fiscal year ended December 31, 2012, of our report dated September 17, 2013, with respect to estimates of reserves and future net revenue of Gastar Exploration Ltd., as of December 31, 2012.
 
 
                                                                                 NETHERLAND, SEWELL & ASSOCIATES, INC.
 
                                                                                 
By:
/s/ G. Lance Binder
 
G. Lance Binder, P.E.
 
Executive Vice President
       
                                                                                  
               
Dallas, Texas
October 21, 2013