Futures were little changed in New York after slumping 3.7 percent Wednesday, the first drop in four sessions, Bloomberg wrote.
Motor fuel stockpiles expanded by 2.1 million barrels last week, the Energy Information Administration reported. Most analysts surveyed by Bloomberg had forecast a decline. Crude output rose while nationwide inventories fell less than predicted.
Oil has declined almost 8 percent this month amid speculation increasing U.S. supplies will offset production curbs by the Organization of Petroleum Exporting Countries and its allies including Russia. New supplies from OPEC rivals will be more than enough to meet demand growth next year, the International Energy Agency said Wednesday in its first forecast for 2018.
"Demand is not as strong as expected and supply continues to increase despite softer prices," said Michael McCarthy, a chief market strategist at CMC Markets in Sydney. "There are a lot of reasons to be selling oil. It looks like the downward momentum will continue."
West Texas Intermediate for July delivery was at $44.71 a barrel on the New York Mercantile Exchange, down 2 cents, at 1:50 p.m. in Hong Kong. Total volume traded was about 49 percent above the 100-day average. Prices dropped $1.73 to $44.73 on Wednesday, the lowest close since Nov. 14.
Read alsoReuters: Oil prices fall on OPEC output increase, rising U.S. crude stocksBrent for August settlement was up 6 cents to $47.06 a barrel on the London-based ICE Futures Europe exchange. Prices slid $1.72, or 3.5 percent, to $47 Wednesday. The global benchmark crude traded at a premium of $2.12 to August WTI.
U.S. crude stockpiles dropped by 1.66 million barrels last week, the EIA reported Wednesday. Inventories were forecast to decline by 2.45 million, according to the median estimate in a Bloomberg survey. Production rose by 12,000 barrels a day to 9.33 million barrels per day.