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

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

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

SÃO PAULO—South American oil fields are booming. Brazil, Guyana and Argentina are forecast to drive more than 80% of growth ...

According to two industry analysts and sources, Chevron has begun preparing for the acquisition of Hess. This includes a ...

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