The start-up of an offshore well caused zinc contamination in Mars crude, Chevron said on Friday, leading to the tightening ...

Energy Secretary Chris Wright authorized the exchange "to help maintain stable regional supply of transportation fuels across Louisiana and the broader Gulf Coast," the department said. It added that ...

Oil major Exxon Mobil told its trading counterparts that it will not buy the Mars crude oil grade until a zinc contamination ...

ExxonMobil unveils two oil discoveries offshore Canada Successful wells drilled from the Hebron and Hibernia platforms add to big fields' resource bases Kerry Moreland, president of ExxonMobil ...