Chesapeake Energy Corporation (Chesapeake) is a producer of natural gas and liquids. The Company�s exploration and production segment is responsible for finding and producing natural gas, oil and natural gas liquids (NGL). The marketing, gathering and compression segment is responsible for marketing, gathering and compression of natural gas, oil and NGL. It owns interests in approximately 47,400 natural gas and oil wells. It has positions in the resource plays of the Eagle Ford Shale in South Texas; the Utica Shale in Ohio and Pennsylvania; the Granite Wash or Hogshooter, Cleveland, Tonkawa and Mississippi Lime plays in the Anadarko Basin in northwestern Oklahoma, the Texas Panhandle and southern Kansas, and the Niobrara Shale in Wyoming. Its core natural gas resource plays are the Haynesville or Bossier Shales in northwestern Louisiana and East Texas; the Marcellus Shale in the Appalachian Basin of West Virginia and Pennsylvania, and the Barnett Shale in the Fort Worth Basin of Texas.