This issue has prompted the US Government to release barrels from its emergency stockpile to support regional refineries.

CVX's offshore zinc contamination disrupted Mars crude flows, forcing DOE action and roiling Gulf Coast refiners.

US supermajor ExxonMobil is not buying any crude from the Mars stream in the US Gulf until a zinc contamination issue is ...

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

We have identified a potential contributing source to the Mars crude composition changes, which is associated with the ...

The U.S. Department of Energy has authorized the release of 1 million barrels from the Strategic Petroleum Reserve to address ...

Shell and Chevron both said on Thursday that the companies halted oil production at several platforms in the Gulf of Mexico following a small leak that knocked a pair of pipelines offline.

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

Exxon Mobil halts Mars crude oil purchases over zinc contamination. Learn how this issue impacts prices and production along ...