Petro Rabigh utilizes 400,000 barrels per day of crude oil and 1.2 million tons per year of ethane as primary feedstock to produce a variety of refined petroleum products and petrochemical products. The refinery transferred from Saudi Aramco to Petro Rabigh has mainly been producing 8 million tons of heavy oil, 5.3 million tons of light oil, 3 million tons of naphtha and 2.6 million tons of kerosene annually. This refinery was upgraded to include a high olefin fluid catalytic cracking unit (HOFCC) for converting heavy and light oils to gasoline and other distillates, which added new annual capacities of 2.8 million tons of gasoline and 900,000 tons of propylene, a feedstock for petrochemical products.