HOW DOES AN OIL REFINERY WORKS?
An oil refinery is an industrial process plant where crude oil is processed and refined into more useful products such as petroleum naphtha, gasoline, diesel fuel, asphalt base, heating oil, kerosene and liquefied petroleum gas. Oil refineries are typically large, sprawling industrial complexes with extensive piping running throughout, carrying
This video was made in the 1950's by the Shell Oil Company, "Refinery Process" goes behind the scenes at a huge oil refinery to explain how crude oil is transformed into finished products.
This animation describes in a very simple way the refining process.
Video from: Production Technology