Energy-Petroleum-Crude Oil :Its Uses and Benefits

Petroleum or crude oil is a naturally occurring liquidor threatened does the average person begin to
found in formations in the Earth consisting of arealize their importance.
complex mixture of hydrocarbons (mostly alkanes) ofThe top three oil producing countries are Saudi Arabia,
various lengths. Petroleum literally means rock oil; oilRussia, and the United States. About 80% of the
that comes from rock. Petroleum or Crude Oil is aworld's readily accessible reserves are located in the
naturally occurring hydrocarbon-based liquid which isMiddle East, with 62.5% coming from the five Arab
sometimes present in porous rocks beneath thecountries: Saudi Arabia (12.5%), U.A.E., Iraq, Qatar and
earth's surface. Petroleum is formed by the slowKuwait.
alteration of organic remains over time. It consists of aMillions of people around the world are employed to
mixture of liquid hydrocarbon compounds and variesfind or produce petroleum, ship and refine it and
widely in composition, color, density, and viscosity. Thismanufacture and market the many oils and waxes
liquid after distillation yields a range of combustible fuels,made from it.
petrochemicals, and lubricants. Compounds andAlthough there are many alternatives to petroleum
mixtures of compounds separated from crudefuels, an analysis of costs and benefits shows that
petroleum by distillation include gasoline, diesel fuel,petroleum is superior in most every area. Hydrogen,
kerosene, fuel oil, some types of alcohol, benzene,ethanol, hybrid, and biomass technologies are promising
heavy naphtha, different grades of lubricating oils andfor automobiles and may soon increase efficiency and
residuum. Petroleum is usually classified according toreduce emissions; but many of these technologies
the predominance of paraffin or asphalted compoundshave not yet proven sufficiently profitable to providers
and accordingly is said to have a paraffin base, anor attractive to consumers. Petroleum retains a key
intermediate base, or an asphalt base.advantage because the price of oil remains low
Oil wells are drilled as deep as six miles into the Earthcompared to forms of energy with lower
to search for petroleum. These wells can cost millionsenvironmental impacts, like wind and solar power.
of dollars to drill, yet drilling is done because petroleumUnlike hydrogen or even natural gas, oil is easily
is a valuable natural resource. Although the major usetransportable and there is a vast infrastructure in place
of petroleum is as a fuel (gasoline, jet fuel, heating oil)to support its use.
and petroleum and natural gas are often used toThere are many factors due to which oil prices are
generate electricity, there are many other uses as well.rising but still petroleum is a necessity. These reasons
Here are some of the ways petroleum is used in ourare lack of available capacity across the oil supply
every day lives. All plastic is made from petroleum andchain in production, refinery upgrading and
plastic is used almost everywhere, in cars, houses,transportation infrastructure; surging demand in
toys, computers and clothing. Asphalt used in roademerging economies; apparent insensitivity of
construction is a petroleum product as is the syntheticconsumers to the price signal; uncertainties related to
rubber in the tires. Paraffin wax comes fromthe weather (hurricanes) or to politics (Iran, Iraq,
petroleum, as do fertilizers, pesticides, herbicides,Venezuela, Nigeria); and increasing activity in the
detergents, phonograph records, photographic film,commodities markets. It is not very useful to blame
furniture, packaging materials, surfboards, paints andany single player in the game. This could pose danger
artificial fibers used in clothing, upholstery, and carpetto the economy and business of the world.
backing. Helium, sulfur and other valuable materials areTherefore, benefits of petroleum have brought
produced from oil wells along with petroleum itself.enumerable benefits to human civilization: quality of life,
Petroleum is used principally as a source of fuel anddynamic prosperity and a source of income to energy
lubricating oils. Only when these supplies are restrictedtraders.