Can not be ignored oil -producing countries

In 2009 more than before by China , the United States has been the world 's largest energy consumer, energy consumption, accounting for about 20% of total energy consumption .Fracturing proppant In the United States, the structure of primary energy consumption , accounting for more than one-third of the oil . Since the 20th century , U.S. oil consumption has been living in the first world , and today remains the world's largest oil consumer and importer status , oil consumption remained at more than 800 million tons , accounting for the proportion of total global oil consumption remains at around 20% . Vast oil consumption capacity has created an enormous demand for oil imports . Since 1985 , the U.S. dependence on oil imports continued to rise, although after peaking in 2006, began to decline, but has remained at about 50%.

Since 1859 the world's first oil well in the United States since the emergence of the oil for modern warfare and the strategic importance of economic development continues to increase. Over the next one hundred years time , oil became the most important source of energy , while the United States rely on the political, economic, military , technological and other comprehensive advantages , has become the dominant player in the international oil market .

According to statistics, during World War I , the United States provided 80% of the Allied demand for oil . During World War II , Allied victory was considered largely due to an adequate supply of oil , most of which comes from the United States. From December 1941 to August 1945 , the United States and its allies were consumed 70 billion barrels of oil , of which about 60 million barrels from the United States .

Since the 1960s , OPEC ( APEC ) and the United States surplus oil production capacity declined , shaking the United States in the world oil system dominance. 1970 U.S. oil production reached 530 million tons ,shale gas then began to decline. But in the decades since then , despite the OPEC and non-OPEC oil-producing countries in the international oil market, when the position of the replacement , but until 1990 , U.S. crude oil production remained at 400 million tons or more. Today, U.S. crude oil production remained at more than 300 million tons , ranking the world's top three.

Notably , the United States or the world's most important oil producer and exporter . U.S. refining capacity of more than frac sand 1700 million barrels day , accounting for about one-fifth of the world . Since 2010 , U.S. oil exports exceed imports , becoming a net exporter of oil . Refined oil has become second only to the second-largest U.S. auto exports .