Crude oil futures on Friday were on track for their biggest weekly gain since mid-May, ending five weeks of losses with prices underpinned by a decline in U.S. output.
U.S. crude futures (CLc1) have added 5.1 percent this week, while benchmark Brent (LCOc1) has gained 4.8 percent, marking the biggest rise for both markets since the week ending May 19.
U.S. crude was trading up 0.6 percent, or 27 cents, at $45.20 a barrel at 0646 GMT on Friday, with Brent climbing 0.6 percent, or 30 cents, to $47.72 a barrel.