Brent crude dropped $1.36, or 1.6%, to $83.22 a barrel by 0130 GMT, a two-week low, having declined by 2.1% in the previous session.
U.S. oil fell $1.28, or 1.6%, to $81.38 a barrel, a one-week low, after dropping 2.4% on Wednesday.
Crude stocks rose by 4.3 million barrels last week, the U.S. Energy Department said, more than double the 1.9 million-barrel gain forecast by analysts.
The “hefty” stock build came “on the back of a large jump in net imports of crude oil and still sluggish refinery processing,” Citi Research commodities analysts said in a note.
Still, gasoline stocks fell by 2 million barrels to the lowest in nearly four years, even as U.S. consumers struggle with rising prices to fill their tanks. [EIA/S]
At the WTI delivery hub in Cushing, Oklahoma, crude storage is the most depleted in three years, with prices for longer-dated futures contracts indicating supplies will stay low for months.
