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en.wikipedia.org/wiki/Oil_refinery

The crude oil distillation unit (CDU) is the first processing unit in virtually all petroleum refineries. The CDU distills ...

science.howstuffworks.com/environmental/energy/oil-refining.htm

Despite the dangers, oil refineries are essential to society in its current form. Learn how crude oil is converted into everything from butane to gasoline.

www.e-education.psu.edu/eme801/node/470

Once crude oil is extracted from the ground, it must be transported and refined into petroleum products that have any value. Those products must then be ...

www.planete-energies.com/en/medias/close/three-stages-refining

Aug 17, 2015 ... Crude oil needs to be processed before it can be used (See Close-Up: "Why Crude Oil Needs to be Refined"). Three major types of operation ...

www.eia.gov/energyexplained/index.cfm?page=oil_refining

Most refineries focus on producing transportation fuels. On average, U.S. refineries produce, from a 42-gallon barrel of crude oil, about 20 to 19 gallons of motor ...

www.ask.com/youtube?q=Crude+Oil+Refining&v=MdLVzXf7v5E
Jun 19, 2014 ... The purpose of an oil refinery is to turn crude oil into products that are fit for end- use, in the quantities that are required by the market. Watch our ...
www.ask.com/youtube?q=Crude+Oil+Refining&v=gYnGgre83CI
Jan 14, 2013 ... Crude Oil Distillation Process Complete. This video describe the complete distillation process in a Refinery. Animation Description will help you ...

www.api.org/oil-and-natural-gas/wells-to-consumer/fuels-and-refining/refineries/how-refinery-works

Ever wondered how an oil refinery works? Now you can learn more about the technology involved in refining crude oil into the thousands of petroleum-based ...

www.afpm.org/the-refinery-process

Refining separates crude oil into components used for a variety of purposes, ... ingredients for making gasoline, diesel, and other refined products or chemicals.