Oil prices ticked down on Thursday as surging Covid cases in China dimmed hopes of a recovery in fuel demand in the world's second-biggest oil consumer.
Brent futures for February delivery fell 42 cents, or 0.5%, to $82.84 a barrel, by 0123 GMT, while U.S. crude fell 50 cents, or 0.6%, to $78.46 per barrel.
U.S. crude oil inventories fell less than expected, by about 1.3 million barrels, in the week ended Dec. 23, according to market sources citing American Petroleum Institute figures.
Also weighing on prices, pipeline operator TC Energy said it was working to restart the portion of the Keystone pipeline that was forced shut after a leak earlier this month.
Germany said the ban has "no practical significance" as the country has been working since spring to replace Russian oil supplies and ensure security of supply.