China National Offshore Oil Corporation (CNOOC) plansto bring more private capital into its sales business, especially its gas stationnetwork.General manager of the oil producer's marketing arm Sun Dalu said the corporationwill accelerate mixed-ownership to increase vitality and expand business withoutnecessarily taking a leading role in joint ventures.China's third-largest oil producer wants a larger share of a petroleum marketdominated by PetroChina and Sinopec. Nearly half of CNOOC's marketing businessesand 76 percent of its gas stations are co-owned with private shareholders.CNOOC posted 56.5 billion yuan (around 9 billion U.S. dollars) in net profits last year, 11.4 percent less than in 2012, the corporation's financial report said.