The feud has chilled the relationship between their CEOs. It comes to a head when arbitration starts Monday.

Top U.S. oil producer Exxon Mobil and Hess will meet face-to-face on Monday in a court hearing to determine the fate of ...

This is likely to be a long legal battle over a valuable oil reserve, which is what every oil company wants. The fight ...

Chevron's acquisition of Hess would add this major oil field in Guyana as well ... oil giants including Exxon Mobil, China’s CNOOC, and Hess squared off in a heated competition for highly ...

Their competition isn't always friendly ... lucrative stake in the Stabroek block offshore Guyana. If Exxon wins, it will likely prevent Chevron from buying Hess and could end up adding to ...

Amid a reduction in its global workforce, Chevron plans to lay off over 200 Midland County employees on July 15.

Chevron warned investors Monday that Exxon and China National Offshore Oil Corp. are claiming a preemptive right to purchase Hess' stake in Guyana's offshore oil assets under a joint operating ...

Exxon's position is that the right of first refusal is triggered by a change of control in Guyana and that Chevron structured the deal in a way to bypass it, people familiar with the arguments ...

The proposed deal amps up competition between Chevron, the No. 2 US oil and gas producer, and Exxon, its larger rival. It also makes Chevron a partner with Exxon in Guyana’s booming oilfields ...

The then 32-year-old geoscientist for Exxon Mobil Corp. figured there was a good chance a vast trove of oil lay buried off the coast of Guyana, near where the Atlantic Ocean meets the Caribbean Sea.

Exxon's position is that the right of first refusal is triggered by a change of control in Guyana and that Chevron structured the deal in a way to bypass it, people familiar with the arguments ...