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

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

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

The U.S. Department of Energy has authorized the exchange of as many as 1M barrels from the Strategic Petroleum Reserve to ...

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

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

Zinc contamination in the Mars crude oil stream pushed down demand for the flagship U.S. coastal crude, slashing its prices on Tuesday, six traders and an industry source said.

A refinery in Louisiana will receive crude from the nation’s stockpile to help address offshore oil supply issues.

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 ...

Mars traded at a 10-cent premium on Thursday to crude oil at the Cushing storage hub in Oklahoma, dealers said. It had eased to a 10-cent discount earlier in the week compared with a $1 premium at ...