Clayton Williams Energy is an independent exploration and production firm that develops and produces oil and natural gas. The company operates throughout Texas, Louisiana, New Mexico and Mississippi. It has extensive experience with the use of 3-D seismic. Clayton Williams Energy has proved reserves of more 290 billion cubic feet of gas equivalents that are valued in excess of $1 billion. The company has locations in Midland, Kingwood and Deanville, Texas. Its common shares are publicly traded under the symbol CWEI.