Oil extended its advance as industry data showed U.S. crude stockpiles declined last week.

Trucks used in oil and gas fields are a breed apart from highway trucks, and the drivers who operate them need additional skills beyond those required of over-the-road truckers, executives in this sector said.

Oil fell as the market’s focus shifted from the shock of Donald Trump’s U.S. presidential election victory to questions about OPEC’s ability to rebalance crude supply and demand.

Oil losses eased as global markets weighed the implications of Republican Donald Trump’s election as the 45th U.S. president.

Royal Dutch Shell, the world’s second-biggest oil company by market value, thinks demand for oil could peak in as little as five years.

As crude prices continue to get dragged down by a global glut that shows no signs of abating, oil traders may find some profit by going to sea.

Nationwide crude stockpiles fell 553,000 barrels in mid-October, according to the Energy Information Administration.

OPEC agreed to cut production for the first time in eight years, according to a delegate briefed on the matter, sending oil prices more than 6% higher as Saudi Arabia and Iran wrong-footed traders who expected a continuation of the pump-at-will policy the group adopted in 2014.