Oil prices stayed around three-month highs on Monday. This follows more than expected crude inventory drawdown and optimism over a U.S-China trade deal closing.Oil prices were also supported by a larger than expected fall in U.S. crude stocks. U.S. stockpiles fell by 5.5 million barrels in the week to Dec. 20, far exceeding a 1.7-million-barrel drop prediction in a Reuters poll. Protesters on Saturday also forced the closure of Iraq’s southern Nassiriya oilfield, while the U.S. carried out air strikes on Sunday in Iraq and Syria against the Kataib Hezbollah, an Iran-backed militia group.China’s Commerce Ministry stated on Sunday that it is keeping in close touch with the U.S. on the signing of a long-awaited trade deal.