Question

Write about occurrence of petroleum.

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Answer 1

Hey mate here is your answer.

The occurrence of petroleum (oil and gas) is the result of chemical, physical, and geological factors that control origin, migration, and entrapmentThe top oil producing countries are Saudi Arabia, Russia, the United States, Iran, and China. In the United States, petroleum is produced in 31 states. Those states that produce the most petroleum are Texas, Alaska, California, Louisiana, and Oklahoma.

Answer 2

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Petroleum occurs in association with natural gas and water. It lies in the sedimentary rock formations like sandstone, limestone or shale. It is believed that petroleum has been derived from plant and animal life hurried millions of years ago.