NEW YORK, Nov. 11, 2017 (BSS/Xinhua) - Oil prices closed lower on Friday, but still hovered around their highest level since the summer of 2015.
On the economic front, the number of rigs operating in U.S. oil fields rose by 9 to a total of 738 rigs this week, oilfield service firm Baker Hughes said in its weekly report on Friday.
Meanwhile, traders still focused on the anticorruption drive in Saudi Arabia and geopolitical tensions in the Middle East.
Saudi Arabia announced on Thursday that seven people out of total 208 detained for corruption charges have been released, Al Arabiya local news reported.
The West Texas Intermediate for December delivery was down 0.43 U.S. dollar to settle at 56.74 dollars a barrel on the New York Mercantile Exchange, while Brent crude for January delivery lost 0.41 dollar to close at 63.52 dollars a barrel on the London ICE Futures Exchange.