Despite the day's advance, prices remained on course for a third consecutive weekly decline as gains in supply had dragged on prices during the week.
Oil prices edged up on Friday as a weakening dollar and lower expected August oil exports from Saudi Arabia supported the market, offsetting concerns about US-China trade tensions and supply increases.
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Despite the day's advance, prices remained on course for a third consecutive weekly decline as gains in supply had dragged on prices during the week.
Brent crude was up 34 cents at $72.92 a barrel by 1:23 p.m. EDT (1723 GMT). Brent was on track to fall 3.2 percent in the week.