Chesapeake Energy Corporation is a producer of natural gas, oil and natural gas liquids (NGL) in the United States. The Company operates in two segments: Exploration and Production, and Marketing, Gathering and Compression. The exploration and production segment is responsible for finding and producing oil, natural gas and NGL. The marketing, gathering and compression operating segment is responsible for marketing, gathering and compression of oil, natural gas and NGL. The Company owns interests in approximately 45,100 oil and natural gas wells that produced an average of approximately 729 thousand barrels of oil equivalent (mboe). The Company also own oil and natural gas marketing and natural gas gathering and compression businesses. As of December 31, 2014, the Company held an interest in approximately 45,100 gross productive wells, including 33,600 properties in which it held a working interest and 11,500 properties in which it held an overriding royalty interest.