Chesapeake Energy Corp was incorporated in Oklahoma in 1989. The Company is a natural gas and oil exploration and production Company engaged in the exploration, development and acquisition of properties for the production of natural gas and crude oil from underground reservoirs and it provides marketing and midstream services. The Company operates in three segments which are managed separately because of the nature of its products and services. Its segments includes; exploration and production; marketing, gathering and compression; and oilfield services. The Company's exploration and production operating segment is responsible for finding and producing natural gas, oil and NGL; it's marketing, gathering and compression operating segment is responsible for marketing, gathering and compression of natural gas, oil and NGL; and its oilfield services operating segment is responsible for drilling, oilfield trucking, oilfield rentals, hydraulic fracturing and other oilfield services operations for both Chesapeake-operated wells and wells operated by third parties. The Company focuses its exploration, development, acquisition and production efforts in the two geographic operating divisions; Southern division and Northern Division. The Company's Southern Division includes the Eagle Ford Shale in South Texas, the Granite Wash/Hogshooter, Cleveland, Tonkawa and Mississippi Lime plays in the Anadarko Basin in northwestern Oklahoma, the Texas Panhandle and southern Kansas, the Haynesville/Bossier Shale in northwestern Louisiana and East Texas and the Barnett Shale in the Fort Worth Basin in north-central Texas. Its Northern Division includes the Utica Shale in Ohio, West Virginia and Pennsylvania, the Marcellus Shale in the northern Appalachian Basin in West Virginia and Pennsylvania and the Niobrara Shale in the Powder River Basin in Wyoming. It competes with both integrated and other independent natural gas and oil companies in acquiring desirable leasehold acreage, producing properties and the equipment and expertise necessary to explore, develop and operate its properties and market its production. The Company's exploration and production operations are subject to various types of regulation at the U.S. federal, state and local levels. Such regulation includes requirements for permits to drill and to conduct other operations and for provision of financial assurances covering drilling and well operations.