Additionally, Iran is mulling the option of blocking access by oil tankers to the Strait of Hormuz and a weeklong strike by oil workers in Norway was seen cutting into production at the world's eighth-largest oil exporter.
"The recovery has been aided by supply-side risks, which until recently tended to be overlooked," said analysts at Commerzbank in Frankfurt.
In other energy trading, heating oil was up 5.44 cents at $2.7303 per gallon while gasoline futures advanced 5.38 cents at $2.6777 per gallon. Natural gas lost 2.6 cents at $2.798 per 1,000 cubic feet.
Alex Kennedy in Singapore contributed to this report.