CLAYTON WILLIAMS ENERGY, INC.
ANNUAL REPORT 2001 Clayton Williams Energy, Inc. (stock symbol CWEI) is an independent explo- ration and production company that develops and produces oil and natural gas. Clayton W. Williams, who has over 40 years of experience in the energy industry, founded the Company. CWEI focuses and operates primarily in Texas, Louisiana and New Mexico. The Company Profile Company has extensive expertise with horizontal drilling and the use of 3-D seismic. CWEI has a large inventory of exploration and development prospects available for drilling. At December 31, 2001, the Company had total proved reserves of 130.7 billion cubic feet of gas equivalents with a present value of $186.9 million.
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