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  2. Extraction of petroleum - Wikipedia

    en.wikipedia.org/wiki/Extraction_of_petroleum

    For example, see Midway-Sunset Oil Field, California's largest oilfield. Tertiary recovery begins when secondary oil recovery is not enough to continue adequate extraction, but only when the oil can still be extracted profitably. This depends on the cost of the extraction method and the current price of crude oil. When prices are high ...

  3. Soxhlet extractor - Wikipedia

    en.wikipedia.org/wiki/Soxhlet_extractor

    A Soxhlet extractor has three main sections: a percolator (boiler and reflux) which circulates the solvent, a thimble (usually made of thick filter paper) which retains the solid to be extracted, and a siphon mechanism, which periodically empties the condensed solvent from the thimble back into the percolator.

  4. Petroleum refining processes - Wikipedia

    en.wikipedia.org/wiki/Petroleum_refining_processes

    Petroleum refinery in Anacortes, Washington, United States. Petroleum refining processes are the chemical engineering processes and other facilities used in petroleum refineries (also referred to as oil refineries) to transform crude oil into useful products such as liquefied petroleum gas (LPG), gasoline or petrol, kerosene, jet fuel, diesel oil and fuel oils.

  5. Shale oil extraction - Wikipedia

    en.wikipedia.org/wiki/Shale_oil_extraction

    The oldest and the most common extraction method involves pyrolysis (also known as retorting or destructive distillation). In this process, oil shale is heated in the absence of oxygen until its kerogen decomposes into condensable shale oil vapors and non-condensable combustible oil shale gas .

  6. Enhanced oil recovery - Wikipedia

    en.wikipedia.org/wiki/Enhanced_oil_recovery

    Enhanced oil recovery (abbreviated EOR), also called tertiary recovery, is the extraction of crude oil from an oil field that cannot be extracted otherwise. Whereas primary and secondary recovery techniques rely on the pressure differential between the surface and the underground well, enhanced oil recovery functions by altering the physical or ...

  7. Oil refinery - Wikipedia

    en.wikipedia.org/wiki/Oil_refinery

    An oil refinery or petroleum refinery is an industrial process plant where petroleum (crude oil) is transformed and refined into products such as gasoline (petrol), diesel fuel, asphalt base, fuel oils, heating oil, kerosene, liquefied petroleum gas and petroleum naphtha.

  8. Oil shale industry - Wikipedia

    en.wikipedia.org/wiki/Oil_shale_industry

    In 1924, the Tallinn Power Plant was the first power plant in the world to switch to oil shale firing. [5] Following the end of World War II, the oil shale industry declined due to the discovery of large supplies of easily accessible and cheaper crude oil. [1] [4] [6] [7] Oil shale production however, continued to grow in Estonia, Russia and China.

  9. Atmospheric distillation of crude oil - Wikipedia

    en.wikipedia.org/wiki/Atmospheric_distillation...

    The hot crude oil is then passed into a distillation column that allows the separation of the crude oil into different fractions depending on the difference in volatility. The pressure at the top is maintained at 1.2–1.5 atm [ 2 ] so that the distillation can be carried out at close to atmospheric pressure, and therefore it is known as the ...