Off the coast of Nigeria, one of the world’s largest oil production ships, called the Bonga, was taking oil from a field on the ocean floor and transferring it to a tanker ship. Such transfers are ...

Oil major Shell operates a fleet of giant ships permanently moored over oilfields around the world. The ships receive oil pumped from wells beneath the seabed and transfer it to tankers. Reporting by ...

President Donald Trump last week announced a "complete blockade of all sanctioned oil tankers going into and out of Venezuela," ratcheting up the pressure on Nicolás Maduro's regime as 15,000 U.S.