Crude prices fell on Friday as the U.S. dollar rebounded against the euro, Xinhua reported.
The Labor Department said on Friday that the consumer price index rose 0.1 percent in September, compared with a 0.3 percent increase in August.
In New York markets, the dollar rounded against the euro after hitting eight-month lows.
Light, sweet crude for November delivery lost 1.44 U.S. dollars to settle at 81.25 a barrel on the New York Mercantile Exchange.
In London, Brent crude dropped 1.75 dollars to 82.45 dollars a barrel on the ICE Futures exchange.