Chevron’s imminent entry into Guyana’s rich offshore oilfields solves one of the biggest problems dogging the U.S. major: where its growth will come from beyond the next few years. On Friday, the U.S.

Chevron is clear to proceed with its $53B acquisition of Hess after an arbitration panel dismissed Exxon Mobil's claim of a contractual right to bid for Hess' assets offshore Guyana.

Chevron Corp. has prevailed in a 20-month fight to buy Hess Corp. for $53 billion, overcoming a challenge by arch rival Exxon Mobil Corp. that was unprecedented in the modern history of Big Oil.