US crude oil prices rose for a second day, pushing towards $60 a barrel after the United Arab Emirates' move to cut exports lent more credibility to OPEC's supply curbs, while cold US weather increased energy demand.
BP was flat and Royal Dutch Shell down 0.1 per cent.
Matt Buckland, a trader at CMC Markets, said the US government's latest oil inventory data due out later today could be another risk factor for the market.