BNK Petroleum Inc. (BNK) is engaged in the exploration, development, production and marketing of crude oil, natural gas and natural gas liquids. Through BNK Petroleum (US) Inc. (BNK US), it has has approximately 12,000 net acres of oil and gas leases, which comprise the Tishomingo Field, in the Ardmore basin of Oklahoma. BNK also holds some acreage in the states of Alabama, Texas and New York. As of December 31, 2011, BNK's production came from the Tishomingo Field. The Company's Tishomingo Field produces oil, gas and natural gas liquids. In April 2013, BNK Petroleum (US) Inc. sold Tishomingo Field, Oklahoma assets other than the Caney and upper Sycamore formations to XTO Energy Inc., a subsidiary of Exxon Mobil Corporation.