Energen is an oil and gas exploration and production company with headquarters in Birmingham, Alabama. The company has approximately 775 million barrels of oil-equivalent proved, probable, and possible reserves and another 2.5 billion barrels of oil-equivalent contingent resources. These all-domestic reserves and resources are located primarily in the Permian Basin in west Texas.

Energen is an independent oil and gas exploration and production company focused on the drilling and development of its high-quality assets in the Permian Basin of west Texas. As of year-end 2015, Energen has identified 4,440 unrisked, potential drilling locations on its Permian Basin acreage with an estimated 2 billion barrels of oil-equivalent net, undeveloped resource potential. Energen’s proved reserves at year-end 2015 totaled 355 million BOE.