Return to. Represents all aspects of the U. S. petroleum and natural gas industry. Newsroom, Resource Center, Programs and Services, and Directory of Industry Sectors pages. www. api. org/. An oil refinery is an industrial process plant where crude oil is processed and refined into more useful petroleum products, such as gasoline, diesel fuel, asphalt base, heating oil, kerosene, and liquefied petroleum gas. en. wikipedia. org/wiki/Oil_refinery en. wikipedia. org/wiki/Oil_refinery. PETROLEUM REFINING PROCESSES The evolution of petroleum refining from simple distillation to today's sophisticated processes has created a need for health and safety management procedures and safe work practices. www. osha. gov/dts/osta/otm/otm_iv/otm_iv_2. html. The four processing methods, along with distillation, are the pillars of petroleum refining. www. pafko. com/history/h_refine. html www. pafko. com/history/h_refine. html. var wikiImage = new Image(); wikiImage. onload = function() &ob;if(this. height Petroleum (L. petroleum < Gr. lit. "rock oil" was first used in the treatise De re metallica published in 1556 by the German mineralogist Georg Bauer, known as Georgius Agricola. ) is a natu. en. wikipedia. org/wiki/Petroleum. Energy Information Administration (U. S. Dept. of Energy) - overview of recent trends in the United States and abroad for petroleum refining Chapter 4: Petroleum Refining. www. eia. doe. gov/emeu/finance/usi&to/downstream/ch4. html. The home page of Refining Online(R), a web-based information service for the petroleum refining industry Refining Online is a leading Web portal for the petroleum refining industry. This user friendly Web site is aimed at the serious refining professional interested in a value-added information service on the internet. www. refiningonline. com/ www. refiningonline. com/. Animated multi-part detailed unbiased tutorial examines the chemistry and technology involved in refining crude oil to produce many products. Photo courtesy Phillips Petroleum Company. www. howstuffworks. com/oil-refining. htm www. howstuffworks. com/oil-refining. htm. Offering technical seminars for the refining process industry, Refining Process Services conducts professional seminars all over the United States. www. petroleumrefining. com/ www. petroleumrefining. com/.