The U.S. Energy Information Administration (EIA) released its crude oil inventories data on Thursday. U.S. crude inventories climbed by 2.57 million barrels to 458.0 million in the week to September 4. It was the biggest one-week increase since April.
Analysts had expected U.S. crude oil inventories to rise by 200,000 barrels.
Gasoline inventories increased by 384,000 barrels, according to the EIA.
Crude stocks at the Cushing, Oklahoma, declined by 897,000 barrels.
U.S. crude oil imports fell by 396,000 barrels per day.
Refineries in the U.S. were running at 90.9% of capacity, down from 92.8% the previous week.