What is crude oil?
Tuesday, July 31st, 2007Definitions of Crude Oil on the Web:
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A mixture of hydrocarbons that exists in liquid phase in natural underground reservoirs and remains liquid at atmospheric pressure after passing through surface separating facilities.
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Liquid petroleum as it comes out of the ground as distinguished from refined oils manufactured out of it.
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Liquid petroleum as it comes out of the ground. Crude oils range from very light (high in gasoline) to very heavy (high in residual oils). Sour crude is high in sulfur content. Sweet crude is low in sulfur and therefore often more valuable.
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A mineral oil consisting of a mixture of hydrocarbons of natural origin, yellow to black in colour, of variable specific gravity and viscosity.
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Crude oil is the mixture of petroleum liquids and gases (including impurities such as sulphur) that is pumped out of the ground by oil wells.
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The basic raw mineral pumped from the earth. There are many different grades of crude, each containing various vapors, liquids and solids. This crude is changed at a refinery into products.
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OPEC definition :Crude oil is a naturally-occurring substance found in certain rock formations in the earth. It is a dark, sticky liquid which, scientifically speaking, is classified as a hydrocarbon. This means, it is a compound containing carbon and hydrogen, with or without non-metallic elements such as oxygen and sulfur. Crude oil is highly flammable and can be burned to create energy. Along with its sister hydrocarbon, natural gas, derivatives from crude oil make an excellent fuel.
Crude oil reserves.

Note : One barrel equals 42 US gallons, or 159 litres or 7.33 barrels per each ton.
Source : http://www.opec.org








