The permanent members of the UN Security Council, along with Germany, meet today in London to discuss tougher sanctions on Iran.
U.S. crude futures rose on Thursday, snapping a four-day losing streak after government data showed a huge crude stock drawdown last week which extended a decline in supplies for the fifth week in a row.
Oil prices eased on Wednesday, extending losses of more than a dollar from the previous session, as mild weather in major consuming nations slashed demand for heating fuel.
Oil fell more than a dollar, extending losses from last week, as mild weather in the United States curbed demand for winter fuel.