The oil industry is an important part of the fuel industry. It covers the exploration, exploitation, refining, storage and transportation of natural oil and oil shale, and provides various fuel oil for all sectors of the national economy. From the discovery of oil and gas to the formation of a huge industrial system, it has gone through a long development process. 

 The oil industry is one of the important pillars of the global economy. Oil is the blood of modern industry. It provides indispensable energy and raw materials for transportation, chemical, electricity and other industries, and plays a key role in the stable operation and development of the global economy.