Douglas Krenek

Chalker Energy Partners II LP explores oil and gas basins throughout the US. Its activities include acquisition and exploitation basins in East Texas and North Louisiana, building sizable reservoirs in Buda/Edwards in Fort Trinidad area, consolidating North Texas basins, and acquiring basins in South Texas. The company was founded by Alan Smith and Tom Campbell on April 19, 2006 and is headquartered in Houston, TX.

Chalker Energy Partners III LLC engages in the exploration and production of oil and gas. It primarily focuses on oil and natural gas acquisition, exploitation, development and production in the East Texas, the Texas Panhandle and the Ft. Worth basins. The company was founded in June 2008 and is headquartered in Houston, TX.

Sabine Oil & Gas Corp. engages in the acquisition, development, exploitation, and exploration of oil and natural gas properties. It operates through the following geographic areas: South Texas, East Texas, and North Texas. The company was founded on December 19, 2014 and is headquartered in Houston, TX.