Approach Resources, an independent energy company focused on unconventional natural gas and oil properties, primarily in West Texas, filed for IPO Thursday. JPMorgan and A.G. Edwards are underwriting the deal. Terms have not yet been announced.

Approach Resources, an independent energy company focused on unconventional natural gas and oil properties, primarily in West Texas, filed for IPO Thursday. JPMorgan and A.G. Edwards are underwriting the deal. Terms have not yet been announced.