Oil barrels. Oil products are obtained from crude oil,which is oil from the ground before it has been refined. It contains a varied mixture of hydrocarbons,and is heated to separate it into parts called fractions. Fractions obtained from crude oil include bitumen,fuel oil,lubricating oils,diesel,jet fuel,petrol,and petroleum gases. The fractions are used as aircraft,motor vehicle and heating fuels,as industrial fuels and lubricants,and to make products such as plastics in the chemical industry. These barrels carry the logos of ExxonMobil,Royal Dutch Shell,and BP,three of the world's largest oil companies |