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API Gravity
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| - | [[API]] (American Petroleum Institute) gravity, or weight per unit of volume, is an arbitrary measurement of the relative density of [[Crude Oil|crude oil]]s. It also serves as an approximate measure of their value as the higher the API gravity number, also known as degrees API, the richer the yield in high value refined [[Oil Products|oil products]] such as gasoline. Crudes with an API gravity of more than 30 are said to be light crudes, those with a number of less than 20 are said to be heavy crudes. Heavy crudes produce a greater proportion of lower priced oil products such as fuel oil. | + | [[API]] (American Petroleum Institute) gravity is an arbitrary measurement of the relative density of petroleum liquids. There is an inverse relationship between API gravity and density: the lower the API gravity the higher the density of the liquid. API gravity has no units but is often referred to as being in degrees. It serves as an approximate measure of the relative value of a petroleum liquid. The higher the API gravity of a [[Crude Oil|crude oil]], the richer the yield in high value refined [[Oil Products|oil products]] such as gasoline. Crudes with an API gravity of more than 30 are said to be light crudes, those of less than 20 are said to be heavy crudes. Heavy crudes yield a greater proportion of lower priced oil products such as fuel oil. |
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| | See also: http://www.api.org/, [[Brent]], [[Dubai Crude]], [[WTI]] | | See also: http://www.api.org/, [[Brent]], [[Dubai Crude]], [[WTI]] |
Revision as of 08:18, 30 March 2011
API (American Petroleum Institute) gravity is an arbitrary measurement of the relative density of petroleum liquids. There is an inverse relationship between API gravity and density: the lower the API gravity the higher the density of the liquid. API gravity has no units but is often referred to as being in degrees. It serves as an approximate measure of the relative value of a petroleum liquid. The higher the API gravity of a crude oil, the richer the yield in high value refined oil products such as gasoline. Crudes with an API gravity of more than 30 are said to be light crudes, those of less than 20 are said to be heavy crudes. Heavy crudes yield a greater proportion of lower priced oil products such as fuel oil.
See also: http://www.api.org/, Brent, Dubai Crude, WTI