Stone Energy Corporation is an independent oil and natural gas exploration and production company. The Company is engaged in the acquisition, exploration, exploitation, development and operation of oil and gas properties in the Gulf of Mexico (GOM) basin. It seeks to acquire seismic data and leasehold interests in undeveloped, onshore, oil-focused plays and is focused on the GOM conventional shelf, GOM deep water, Gulf Coast deep gas and the Marcellus Shale in Appalachia. As of December 31, 2014, the Company’s estimated proved oil and natural gas reserves were approximately 153 million barrels of oil equivalent (Mmboe) or 915 billions of cubic feet equivalent (Bcfe). The Company’s oil and natural gas production is sold at current market prices under short-term contracts. Shell Trading (US) Company and Phillips 66 Company accounted for approximately 32% and 31%, respectively, of its oil and natural gas revenue generated during the year ended December 31, 2014.