Chevron, BP, ConocoPhillips to appraise jointly-held leases in U.S. GoM

Chevron Corp. has announced that its subsidiary, Chevron U.S.A., will work with BP Exploration and Production and ConocoPhillips to explore and appraise 24 jointly-held offshore leases in the northwest portion of Keathley Canyon in the deepwater Gulf of Mexico. ...»