Petroleum
Title: Petroleum
Category: /Society & Culture/Environment
Details: Words: 528 | Pages: 2 (approximately 235 words/page)
Petroleum
Category: /Society & Culture/Environment
Details: Words: 528 | Pages: 2 (approximately 235 words/page)
Petroleum is an oily flammable liquid composed by hydrocarbons, which is found
naturally beneath the Earth's surface by drilling wells, and it is usually
called crude oil. The color of petroleum can be colorless, which is usually
for gasoline, and heavy black which is high in asphalt content. It consists of
a mixture of hydrocarbons, with traces of various nitrogenous and sulfurous
compounds.
50-90% of petroleum is hydrocarbons and the remaining is composed chiefly of
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from a new well will come to the surface under its own pressure.
Later the crude oil must be pumped out or forced to the surface by injecting
water, gas, or air into the deposits.
The widespread use of petroleum has created serious environmental problems. The
great quantities that are burned as fuels generate most of the air pollution in
industrialized countries, and oil spilled from tankers and offshore wells has
polluted oceans and coastlines.