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How Much Do We Know About Natural Gas?
By Rick Martin
Studies have shown that natural gas formation resulted by means of the process of putrefaction of the little sea animals and plants that disappeared about 300 million years ago. After such forms of life died, their remains went down to the bottom of the oceans and they gradually grew covered by beds of sand and different types of sediments.
Throughout time, they transformed into thousands of feet thick deposits, charging the remains of the former plants and animals with a great deal of energy and putting enormous pressure onto them. Some scientists concluded that this energy, together with the heat of the earth and different kinds of substances, resulted into oil and gas, which have now the role of combustibles. Ultimately, the substances concentrated inside rock layers becoming similar to sponges.
Even though oil and gas are both combustibles, formed by similar processes, their components are completely different. Whereas the composition of oil includes liquids forming a sticky substance, raw natural gas is a combination of different gases. The main component is methane, a natural substance that results from the decomposition of plants and animals.
Unrefined methane is odorless, colorless, and tasteless. When used by natural gas companies as combustible, it combines with chemical odorants, which usually smell like rotten eggs. This is a measure of necessary caution: if gas escapes, its detection is easier in this manner. Gas is also useful in liquid form, because it is easier to store it. In this case, LNG (liquid natural gas) is its regular label. Nevertheless, its inner characteristics do not allow confusing oil and gas or gasoline (petroleum) and gas.
The first time that people use natural gas was in 1816, in the USA. It served to illuminate the streets in Baltimore. Not long afterwards people brought it to Fredonia, New York, where they has settled the first big gas company. In less then a hundred years time, more than seventeen countries began to use this combustible for a number of applications that was growing larger and larger. Its use has grown significantly recently, currently representing about a quarter of the energy we use. Oil and gas serve different purposes, but both are very important for the world’s population and economy.
Its location is deep into the ground. This is why it can be difficult to detect and extract natural gas. Experts have thought about numerous ways to reach it. One method is to spot clues referring to underground deposits by analyzing the surface rocks. If there are no positive results, light explosions can be set off.
On the other hand, the estimation of the gravitation of the rocks takes place at considerable depth. They may also throw heavy weights and measure the sound waves. Once detected, its bringing to the surface takes place by drilling procedures. After extraction, the next process is to clean it of impurities and to divide it into several components. A similarity between oil and gas is petroleum can “host” both of them.
A final consideration is that natural gas is preferable to other fuels like petroleum, oil, or coal, because it is much cleaner. In addition, it is much cheaper as compared to other sources. That is why experts research new ways to produce and use it. Article Source: http://articlecrazy.com Even if they are non-renewable fossil fuels, oil and gas are the major fueling providers nowadays. Natural gas remains in the top preferences because of its degree of “friendliness” to the environment.
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