Oil and Gas Extraction is the exploration and production of petroleum and natural gas from wells. The industry generates wastewater from the water extracted from the geological formations and from chemicals used during exploration, well drilling and production of oil and gas. EXTRACTION OF NATURAL GAS. Natural gas occurs in the outer layer of the Earth’s crust, i.e. the lithosphere. It was created as a result of the transformation of organic substances under different pressure and temperature conditions, which have been going on for many millions of years. Natural gas consists mainly of methane (CH4) and its homologs (C3-C4). Its composition […]
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