shorte the chain of petroleum oil is
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Explanation:
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Answer:
Petroleum has mostly been recovered by oil drilling. Drilling is carried out after studies of structural geology, sedimentary basin analysis, and reservoir characterisation. Recent improvements to technologies have also led to exploitation of other unconventional reserves such as oil sands and oil shale. Once extracted, oil is refined and separated, most easily by distillation, into numerous products for direct use or use in manufacturing, such as gasoline (petrol), diesel and kerosene to asphalt and chemical reagents used to make plastics, pesticides and pharmaceuticals. Petroleum is used in manufacturing a wide variety of materials,[2] and it is estimated that the world consumes about 100 million barrels each day. Petroleum production can be extremely profitable and has been important for economic development in the 20th century, with some countries, so called "oil states", gaining significant economic and international power because of their control of oil production.