Oil futures pared gains, slipping below $100 U.S. a barrel on Wednesday following weekly data that showed a jump in crude supplies.
The U.S. Energy Information Administration said crude stockpiles rose 6.6 million barrels for the week ended March 21.
Analysts polled by Platts were looking for a climb of 2.6 million barrels.
Gasoline supplies dropped by 5.1 million barrels, while distillate stockpiles unexpectedly rose by 1.6 million barrels, according to the EIA.
Gasoline stockpiles were forecast to fall by 1.8 million barrels, while distillates, which including heating oil, were seen down one million barrels, according to the Platts poll.
May crude traded at $99.80 U.S. a barrel, up 61 cents, or 0.6%, on the New York Mercantile Exchange. Before the report, prices traded at $100.07 U.S.
