PARTICIPATION AGREEMENT RELATING TO CWEI EAST TEXAS BOSSIER-SUNNYParticipation Agreement • November 20th, 2008 • Clayton Williams Energy Inc /De • Crude petroleum & natural gas • Texas
Contract Type FiledNovember 20th, 2008 Company Industry Jurisdiction
PARTICIPATION AGREEMENT RELATING TO CWEI - SACRAMENTO BASIN IParticipation Agreement • August 14th, 2008 • Clayton Williams Energy Inc /De • Crude petroleum & natural gas • Texas
Contract Type FiledAugust 14th, 2008 Company Industry JurisdictionThis PARTICIPATION AGREEMENT (this “Agreement”) is made and entered into as of August 5, 2008 (the “Effective Date”), by and among the Parties (as defined below).
PARTICIPATION AGREEMENT RELATING TO CWEI ANDREWS AREAParticipation Agreement • June 25th, 2008 • Clayton Williams Energy Inc /De • Crude petroleum & natural gas • Texas
Contract Type FiledJune 25th, 2008 Company Industry Jurisdiction
PARTICIPATION AGREEMENT RELATING TO CWEI UTAHParticipation Agreement • June 25th, 2008 • Clayton Williams Energy Inc /De • Crude petroleum & natural gas • Texas
Contract Type FiledJune 25th, 2008 Company Industry Jurisdiction
PARTICIPATION AGREEMENT RELATING TO CWEI SOUTH LOUISIANA VIParticipation Agreement • June 25th, 2008 • Clayton Williams Energy Inc /De • Crude petroleum & natural gas • Texas
Contract Type FiledJune 25th, 2008 Company Industry Jurisdiction
PARTICIPATION AGREEMENT RELATING TO CWEI NORTH LOUISIANA BOSSIER IIIParticipation Agreement • June 25th, 2008 • Clayton Williams Energy Inc /De • Crude petroleum & natural gas • Texas
Contract Type FiledJune 25th, 2008 Company Industry Jurisdiction
PARTICIPATION AGREEMENT RELATING TO CWEI NORTH LOUISIANA HOSSTON/COTTON VALLEY IIIParticipation Agreement • June 25th, 2008 • Clayton Williams Energy Inc /De • Crude petroleum & natural gas • Texas
Contract Type FiledJune 25th, 2008 Company Industry Jurisdiction
PARTICIPATION AGREEMENT RELATING TO CWEI CROCKETT COUNTY AREAParticipation Agreement • June 25th, 2008 • Clayton Williams Energy Inc /De • Crude petroleum & natural gas • Texas
Contract Type FiledJune 25th, 2008 Company Industry Jurisdiction
PARTICIPATION AGREEMENT RELATING TO EAST TEXAS BOSSIER - MARGARITAParticipation Agreement • December 20th, 2007 • Clayton Williams Energy Inc /De • Crude petroleum & natural gas • Texas
Contract Type FiledDecember 20th, 2007 Company Industry Jurisdiction
PARTICIPATION AGREEMENTParticipation Agreement • December 20th, 2007 • Clayton Williams Energy Inc /De • Crude petroleum & natural gas • Texas
Contract Type FiledDecember 20th, 2007 Company Industry Jurisdiction
PARTICIPATION AGREEMENT RELATING TO NORTH LOUISIANA — HOSSTON/COTTON VALLEYParticipation Agreement • August 7th, 2006 • Clayton Williams Energy Inc /De • Crude petroleum & natural gas • Texas
Contract Type FiledAugust 7th, 2006 Company Industry Jurisdiction
PARTICIPATION AGREEMENT RELATING TO NORTH LOUISIANA - BOSSIERParticipation Agreement • August 7th, 2006 • Clayton Williams Energy Inc /De • Crude petroleum & natural gas • Texas
Contract Type FiledAugust 7th, 2006 Company Industry Jurisdiction
PARTICIPATION AGREEMENT RELATING TO SOUTH LOUISIANA IVParticipation Agreement • August 7th, 2006 • Clayton Williams Energy Inc /De • Crude petroleum & natural gas • Texas
Contract Type FiledAugust 7th, 2006 Company Industry Jurisdiction