Approach Resources Inc., is an independent energy company engaged in the exploration, development, production and acquisition of oil and gas properties. The Company focuses on oil and gas reserves in oil shale and tight gas sands in the Midland Basin of the greater Permian Basin in West Texas, where it leases approximately 148,000 net acres. The Company�s drilling targets include the Clearfork, Wolfcamp shale, Canyon Sands, Strawn and Ellenburger zones. It refers to the Clearfork and Wolfcamp zones together as the Wolffork, and its development project in the Permian Basin as Project Pangea, which includes the northwestern portion of Project Pangea that it refers to as Pangea West. As of December 31, 2012, it owned and operated 594 producing oil and gas wells in the Permian Basin, and had an estimated 2,983 identified drilling and recompletion locations, of which 359 were proved.