The U.S. Energy Information Administration (EIA) revealed on Wednesday that crude inventories increased by 1.058 million barrels in the week ended September 13. Economists had forecast a drop of 2.250 million barrels.

At the same time, gasoline stocks rose by 0.781 million barrels, while analysts had expected a decline of 0.750 million barrels. Distillate stocks grew by 0.437 million barrels, while analysts had forecast an advance of 0.500 million barrels.

Meanwhile, oil production in the U.S. was unchanged at 12.400 million barrels a day.

U.S. crude oil imports averaged 7.1 million barrels per day last week, up by 326,000 barrels per day from the previous week.