It consists of hydrocarbons of various molecular weight organics and other petroleum titles covering both naturally occurring crude oil and petroleum products that have not yet been created by refining crude oil. Petroleum fossil fuels will occur when there is plenty of dead creatures usually zooplankton and algae were buried under rocks and under heat and pressure. Petroleum is recovered mostly through oil drilling. (Petroleum, natural springs are rare), this happened after the study geological structures. (In the reservoir) sedimentary basin analysis, reservoir characteristics. (Mainly in terms of porosity and permeability of the reservoir geological structure), it is distilled and separated most easily refined into a large. The number of consumer products, from gasoline (petrol) and kerosene to asphalt and chemicals used to make plastics and pharmaceuticals. Petroleum is used to produce a variety of materials, and it is estimated that the world consumes about 90 million barrels a day. Concerned about the loss of land reserves of oil and limit the impact this will have on society depends on it. The concept is known as peak oil. The use of fossil fuels such as oil impact negatively on the biosphere of the Earth, destroying ecosystems through events such as oil spills and the release of airborne pollutants including ground-level ozone and sulfur dioxide. The sulfur impurities in fossil fuels.
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