Chesapeake Energy Corporation is an exploration and production company. The Company is engaged in the acquisition, exploration and development of properties to produce oil, natural gas and natural gas liquids (NGL) from underground reservoirs. It operates in one segment: Exploration and Production, engaged in finding and producing oil, natural gas and NGL. It has a diverse resource base of onshore the United States unconventional natural gas and liquids assets. The Company has interests in approximately 13,500 oil and natural gas wells. It has positions in resource plays of the Eagle Ford Shale in South Texas, the stacked pay in the Powder River Basin in Wyoming and the Anadarko Basin in northwestern Oklahoma. Its natural gas resource plays are the northern Appalachian Basin in Pennsylvania and the Haynesville/Bossier Shales in northwestern Louisiana.