In London, Brent crude softened 14 cents to $45.39 on the IPE.
The slight losses came ahead of the US government's weekly inventory report, to be released early Wednesday, which dealers expected would show oil supplies rose 1 million barrels last week due to higher imports.
Stockpiles in the world's largest energy consumer are already about 8 per cent higher than they were last year, according to the last report from the US Energy Information Administration.
The International Energy Agency, which advises industrialised nations on energy policy, issued an outlook last week expecting stronger demand growth and lower non-Opec supply this year.




