gravity of the crude oil

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• Crude oil assay — A crude oil assay is essentially the chemical evaluation of crude oil feedstocks by petroleum testing laboratories. Each crude oil type has unique molecular, chemical characteristics. No crude oil type is identical and there are crucial… …   Wikipedia

• crude oil — petroleum as it comes from the ground, before refining. Also called crude, crude petroleum. [1860 65] * * * ▪ petroleum product       mixture of comparatively volatile liquid hydrocarbons (compounds composed mainly of hydrogen and carbon with… …   Universalium

• Crude oil qualities —   Refers to two properties of crude oil, the sulfur content, and API gravity, which affect processing complexity and product characteristics.   U.S. Dept. of Energy, Energy Information Administration s Energy Glossary …   Energy terms

• Benchmark (crude oil) — Crude oil benchmarks, also known as oil markers, were first introduced in the mid 1980s. There are three primary benchmarks, WTI, Brent Blend, and Dubai. Other well known blends include the Opec basket used by OPEC, Tapis Crude which is traded in …   Wikipedia

• List of crude oil products — In the international petroleum industry, crude oil products are traded on various oil bourses based on established chemical profiles, delivery locations, and financial terms. The chemical profiles, or crude oil assays, specify important… …   Wikipedia

• Heavy crude oil — or Extra Heavy oil is any type of crude oil which does not flow easily. It is referred to as heavy because its density or specific gravity is higher than of light crude oil. Heavy crude oil has been defined as any liquid petroleum with an API… …   Wikipedia

• Light crude oil — is liquid petroleum that has a low density and flows freely at room temperature.[1] It has a low viscosity, low specific gravity and high API gravity due to the presence of a high proportion of light hydrocarbon fractions.[2] It generally has a… …   Wikipedia

• Oil shale — For the scientific technical journal, see Oil Shale (journal). Not to be confused with Shale oil or Tight oil. Oil shale Sedimentary Rock Combustion of oil shale Composition …   Wikipedia

• Oil sands — The Athabasca oil sands in Alberta, Canada, are a very large source of bitumen, which can be upgraded to synthetic crude oil. Bituminous sands, colloquially known as oil sands or tar sands, are a type of unconventional petroleum deposit. The… …   Wikipedia

• Oil shale extraction — is an industrial process in which kerogen mdash;a mixture of organic chemical compounds (including hydrocarbons) found in oil shale mdash;is converted into synthetic crude oil through pyrolysis. In pyrolysis, oil shale is heated in the absence of …   Wikipedia

• Oil and gas deposits in the Czech Republic — The small oil and gas deposits in the Czech Republic are located mainly in south Moravia. Their exploration started in the early years of 20th century, first commercial oil extraction opened in 1919. In 2005 340,600 m³ of crude oil and 98.75… …   Wikipedia