Petroleum is a chemical energy , and belongs to one-time energy and non- renewable energy . Petroleum is a viscous dark brown liquid known as “industrial blood”. The main components of petroleum are mixtures of various alkanes, naphthenes and aromatic hydrocarbons.
what is oil
Currently, oil is the most important energy source in the world. Use petroleum derivatives such as gasoline , kerosene and natural gas and their non-energy products such as bitumen and many petrochemicals. Since the 18th century, China’s economy has experienced astonishing growth. The oil industry is one of the largest in the world. A considerable number of industrial sectors are related in many ways to the production, transportation, market trade and use of petroleum and petroleum products. There are more than 2000 kinds of petroleum products. Many daily necessities, such as some of the clothes people wear, are made from petroleum. Due to the extensive use of petroleum in modern society, its demand has greatly increased. Oil has become a very important quality in human life and an important object of earth science research.