Devon Energy Corporation, an independent energy company, primarily engages in the exploration, development, and production of oil, natural gas, and natural gas liquids (NGLs) in the United States and Canada. It holds interests in various properties located in Anadarko Basin, Barnett Shale, Eagle Ford, Mississippian-Woodford Trend, Permian Basin, and Rockies in the United States, as well as in the Jackfish and Pike heavy oil projects located in Alberta, Canada. As of December 31, 2014, the company had 689 MMBoe of proved undeveloped reserves. It operates approximately 19,000 wells. The company also offers marketing and midstream services, including gathering, transmission, processing, fractionation, and marketing to producers of natural gas, NGLs, crude oil, and condensate through its natural gas pipelines, plants, and treatment facilities. Devon Energy Corporation was founded in 1971 and is headquartered in Oklahoma City, Oklahoma.