Oil prices fell on Tuesday, with Brent futures set for their biggest monthly loss in two years, on oversupply concerns after a report showed OPEC's output in July rose to its highest for 2018.
September Brent crude futures fell 46 cents, or 0.6 percent, to $74.51 a barrel by 0356 GMT after rising nearly 1 percent on Monday. The September contract expires today and the more-active October contract was down 0.
5 percent to $75.20.
US West Texas Intermediate crude futures (WTI) were down 43 cents, or 0.6 percent, at $69.70 a barrel,.