The formation mechanism and evolution process of petroleum are one of the core contents of petroleum geology. This chapter focuses on the organic origin of petroleum, introducing the stages and characteristics of the formation of petroleum from precursors such as proteins, carbohydrates, lipids and lignin under the action of biological and thermal effects. The formation mechanism and identification technology of hydrocarbon and non-hydrocarbon natural gas will also be introduced. At the same time, source rock evaluation and oil source comparison will also be discussed in a targeted manner.

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Formation of Oil and Natural Gas

  • Hua Liu,
  • Youlu Jiang

摘要

The formation mechanism and evolution process of petroleum are one of the core contents of petroleum geology. This chapter focuses on the organic origin of petroleum, introducing the stages and characteristics of the formation of petroleum from precursors such as proteins, carbohydrates, lipids and lignin under the action of biological and thermal effects. The formation mechanism and identification technology of hydrocarbon and non-hydrocarbon natural gas will also be introduced. At the same time, source rock evaluation and oil source comparison will also be discussed in a targeted manner.