Oil posted its lowest close in more than a week as investors sought to avoid being caught on the wrong side of the jobless claims number scheduled for release tomorrow.
Oil prices stagnated this week as traders confront bearish trends including rising US stockpiles and a rebound in demand that hasn't lived up to expectations.
Oil extended its longest run of losses this year after the Federal Reserve's minutes showed officials back further rate hikes, adding to concerns that a US economic slowdown will reduce demand.