fr - genese hydrocarbures

Deep in the Earth, oil and natural gas are formed from organic matter from dead plants and animals. These preservation (hydrocarbons)The final phase in petroleum system formation, after a deposit has accumulated... take millions of years to form under very specific pressure and temperature conditions.   

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fr - migration hydrocarbure

Starting out from the source rock where they are formed, hydrocarbonOrganic compound consisting of carbon and hydrogen. Hydrocarbons are the principal constituents of crude oil, natural gas and petroleum products. molecules, which are light, set off on an upward journey to the surface. They accumulate in porous rock and are blocked by impermeable rock, thereby creating oil and gas deposits.

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fr - piege gisement

Commercial oil and gas deposits occupy closed spaces created by deformations in geological layers. These spaces, known as traps, must be large enough to make developing the depositAn accumulation of natural resources, such as oil, natural gas, coal, uranium, metal ore or another commodity... economically viable.

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