The oil driller Baker Hughes reported that the number of active U.S. rigs declined by 7 rigs to 635 last week, the lowest weekly level since August 2010. It was the 27th consecutive weekly fall.
Combined oil and gas rigs fell by 9 to 859.
The U.S. Energy Information Administration forecasts that U.S. crude-oil production would begin to fall from June until February 2016.