NEW YORK, Aug. 8 (Xinhua) -- Oil prices settled flat on Friday.

The West Texas Intermediate (WTI) for September delivery closed flat and settled at 63.88 U.S. dollars a barrel on the New York Mercantile Exchange. Brent crude for October delivery went up 16 cents, or 0.24 percent, to settle at 66.59 dollars a barrel on the London ICE Futures Exchange.

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