Bigger-than-expected drawdowns in U.S. gasoline and distillate stockpiles were seen supportive initially as four-week average demand rose above last year's level for the first time this year, the EIA data showed.
But as the trading session neared the close, weakened technical support prompted a flurry of selling of U.S. heating oil and gasoline futures, said TAC's Anderle.
Also keeping oil prices lower was news that U.S. President Barack Obama was expected to seek support on Saturday for other Group of Eight leaders for releasing strategic oil reserves later this summer as a European Union embargo on Iranian crude comes into effect, according to a report from the Kyodo news agency, citing sources close to Japan-U.S. ties.