Crimson Exploration, Inc. was founded in 1987 and is based in Houston, Texas.Crimson Exploration, Inc., together with its subsidiaries, engages in the acquisition, development, exploitation, and exploration of oil and natural gas properties, primarily in the onshore U.S. Gulf Coast and South Texas regions. Crimson Exploration, Inc. also has operations and prospective acreage in the Denver Julesburg Basin of Colorado; and owns acreage positions in the Haynesville Shale play in East Texas. As of December 31, 2008, it had a total of 358 gross oil and natural gas productive wells, as well as estimated proved reserves of approximately 131.9 billion cubic feet of natural gas equivalent. Crimson Exploration, Inc. was formerly known as GulfWest Energy, Inc. and changed its name to Crimson Exploration, Inc. in May 2005.