Energen Corporation (Energen) is an oil and natural gas exploration and production company. The Company is engaged in the exploration, development and production of oil and natural gas properties and natural gas in the Permian Basin in west Texas and the San Juan Basin in New Mexico. It is focused on increasing its oil, natural gas liquids and natural gas production and proved reserves through active development and/or exploratory programs in the Permian Basin. All of its reserves are located in the Permian Basin in west Texas, and the San Juan Basin in New Mexico. Its development activities have added over 300 million barrels of oil equivalent of reserves from the drilling of approximately 880 gross development, exploratory and service wells (including over one sidetrack well), and over 150 well recompletions and pay-adds. The Company's operations are conducted through its subsidiary, Energen Resources Corporation (Energen Resources).