oil

oil

                  

Kahil or oil or tar, and it is also called crude oil, or black gold, oil literary as a term, is a thick liquid, flammable, Black tends to greenness, found in the upper layer of the earth's crust. Oil and consists of a complex mixture of hydrocarbons, especially alkanes precious series of chemically, but differs in appearance, composition and purity strongly according to place extracted. It is a source of important primary energy sources, according to the statistics of the world's energy. But the world burn and exploited in the electric power and operate factories and moving production, transportation and operation of the engines of the stomach and in the movement of electrical energy that can be generated in other ways to provide human burn this valuable material is chemically produced. Oil is the raw material for many chemical products, including fertilizers, pesticides, plastics and many of the plastic chips and tubes and nylon fabrics, artificial silk and synthetic leather tools and medicines.

The largest consumer of oil in the world where the United States alone consumes about a quarter of global production estimated at 80 million barrels per day. It consumes 4% of the Earth's population 25% of global oil production [1]. According to the curve of the US production until 2005, the absolute peak was exceeded in 1975, where he arrived 5 and 9 million barrels per day, and down since then gradually history until he reached 4-5 million barrels per day in 2005. Today we can say that America depends on oil imports by 75% enough for him to need amounting to 21 million barrels per day (compare US production in Hubert) summit theory.

                        

The second half of the year in 2014 and 2015, a glut of supply of crude oil in the market, which led to the decline in oil prices significantly during the year 2015 to reach the lowest level in six years, which will significantly impact on the budgets of countries that rely on oil to cover expenses such as Venezuela, which actively seeks to adopt a collective decision to cut oil production, especially from members of the Organization of Petroleum Exporting worldwide. [1]And it refused to Alsaudihoha largest oil producer within OPEC continuously cut its oil production and confirmed that it continues to output the same rates in order to maintain their market share.