NATURAL GAS FORMATION

Other Free Encyclopedias :: Science Encyclopedia :: Science Encyclopedia Vol 4 :: Natural Gas - Formation And Composition Of Natural Gas, History Of The Discovery And Use Of Natural Gas, Liquefied Natural Gas
Natural Gas - Formation And Composition Of Natural Gas

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Natural gas has its origins in decayed living matter, most likely as the result of the action of bacteria upon dead animal and plant material. In order for most bacteria to effectively break down organic matter to hydrocarbons
, there must be low levels of oxygen present. This would mean that the decaying matter was buried (most likely under water) before it could be completely degraded to carbon dioxide and water. Conditions such as this are likely to have been met in coastal areas where sedimentary rocks and marine bacteria are common. The actions of heat and pressure along with bacteria produced a mixture of hydrocarbons. The smaller molecules which exist as gases were then either trapped in porous rocks or in underground reservoirs where they formed sources of hydrocarbon fuels.
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