World’s 8 biggest oil companies

7. Royal Dutch Shell – 3.9 million barrels per day

Petroleum is most often used for fuel oil and gasoline, petrol. It is also used as a raw material in the production of chemical, pharmaceutical and solvent products. Petroleum is a major resource toward the maintenance of many modern day industries and economies. But the question is, which company and country produces the largest amount of oil and gas, per day.

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