Pumpjacks are seen during sunset at the Daqing oil field in Heilongjiang province, China August 22, 2019.
Brent crude futures dropped 26 cents, or 0.3%, to $90.36 a barrel by 0040 GMT after falling $1.38 the previous day.
Gasoline inventories rose by about 3.2 million barrels, while distillate stocks rose by about 1.5 million barrels.
API/U.S. crude oil and distillate stockpiles were expected to have risen last week, while gasoline inventories were seen lower, according to an extended Reuters poll.
The shortfall highlights underlying tightness of supply in the market, even as recession fears drag prices lower.