US supermajor ExxonMobil has officially relinquished 20% of the area of the prolific Stabroek block offshore Guyana.

Chevron is laying the groundwork to swiftly close its planned acquisition of smaller oil producer Hess , according to two ...

CVX nears a decisive moment as arbitrators take final decision on its $53 billion Hess deal and entry into Guyana's top-tier ...

The arbitrators in a legal dispute between Exxon Mobil and Hess have reached a decision related to a major oilfield project ...