Russia, Iran and Venezuela have amassed an armada of aging tankers to move barrels around the world.

The country’s oil industry has undergone major shifts and two waves of nationalization since its first well started pumping ...

Venezuela has the largest oil reserves of any country on Earth. But the type of oil it has is difficult, and dirty, to process. Experts say ramping up production would be expensive, and dangerous for ...

Chevron Corp. and private equity group Quantum Energy Partners will join forces to buy the international assets of sanctioned ...

President Trump hosted a group of oil executives at the White House and outlined his plan for American companies to exploit ...

Refineries in Texas and along its Gulf Coast could get a boost from Venezuela's heavy crude. But oil producers might hesitate ...

China’s Hengyi Petrochemical Co. will embark on a long-planned expansion of its Brunei oil refinery, more than doubling its ...

Using ocean current models and chemical analysis, a team explains how oily material managed to travel over 5,200 miles (8,500 ...

Discover the top Russian oil companies by oil production volume and their domestic and international business operations.

Crude oil stockpiles, reserves of unrefined petroleum, help stabilize oil supply and demand. Explore their impact, how ...

Oil prices are already under pressure due to ample supply and weak demand growth, adding strain on US shale producers.

U.S. forces seized two tankers, including one under a Russian flag, on Wednesday, as officials try to choke off most exports of Venezuelan crude oil. By Jenny Gross and Genevieve Glatsky The seizure ...