BEIJING: China's largest oil refiner Sinopec will produce 146 million barrels of crude oil in the second half of 2018, compared to 143.6 million barrels in the first half, the company said on Sunday.Sinopec will process 121 million tonnes of crude oil in the second half of the year, the same as in the first half and its fuel sales will be 90.5 million tonnes, compared to 96.48 million in the first half.