Chevron won its hotly contested legal battle against rival Exxon Mobil, allowing it to immediately close its $53 billion acquisition of Hess on July 18 and give the Big Oil major access to arguably the biggest oil discovery of the century offshore of sparsely populated Guyana.

Chevron closed its $55 billion acquisition of Hess on Friday after winning a landmark legal battle against larger rival Exxon Mobil to gain access to the largest oil discovery in decades.