Weaker equity prices on Wall Street also limited oil's run higher.
Brent crude was up 13 cents at $51.02 a barrel by 11:19am EDT (3:19pm GMT). It rose to $51.37 at the session peak and its highest since 10 June. Earlier, Brent fell to $50.34. after settling on Monday at $50.89.
WTI crude was down 3 cents at $48.78. The session high for WTI was $49.13,
