Exxon

China National Petroleum Corp (CNPC) has emerged as the frontrunner to take over Iraq's West Qurna-1 oilfield from Exxon Mobil, a move that would diminish Western oil influence in Iraq a decade after the U.S.-led invasion.

U.S. oil major Exxon is giving up its stake in the giant southern oilfield after clashing with the central government in Baghdad over exploration contracts it had signed with the autonomous Kurdistan region in the north.