RIYADH: Brent crude was down 6 cents at $83.59 a barrel at 0740 Riyadh time, after touching three-year highs on Monday on the way to a 1.5 percent advance.
U.S. oil fell 13 cents to $80.39 a barrel, having also gained 1.5 percent in the previous session, in which it reached the highest in around seven years.