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Mixgenetic concept of of oil and gas fields formation in basement and sedimentary cover on the shelf of South Vietnam

V.K. Utoplennikov, A.D. Drabkina

Discussion article

DOI https://doi.org/10.18599/grs.2019.4.27-33

27-33
rus.

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According to the geodynamic model of oil and gas formation, the most favorable conditions for the oil and gas fields are formed in the mobile zones of the earth’s crust, especially in areas of active continental margins, characterized by high seismicity, the presence of deep faults, the development of subduction and riftogenic processes. Therefore, it is logical that most of the world’s oil and gas deposits are concentrated in rifts or in the vicinity of paleo- and modern subduction zones.
The study of the unique oil deposits in the granite basement of the White Tiger field, using data from other fields in the world, allows concluding  that the formation of oil deposits in the basement can occur not only due to the resources of adjacent oil and gas deposits.
Taking into account modern geodynamic ideas, in the context of the Earth’s internal geospheres, at least three oil generation zones can be distinguished: mantle-asthenospheric abiogenic synthesis; subduction-dissipative biomineral synthesis; stratospheric-biogenic synthesis.
Obviously, all these three zones, as a single open system for the generation of hydrocarbons, will be interconnected only in conditions of deep faults, active continental margins and other parts of the Earth’s crust. This suggests that there are deep generation zones, which are currently fueling the developed fields.

 

subduction, riftogenic processes, geodynamics, granitoid basement, Earth’s crust, deep faults

 

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Vladimir K. Utoplennikov
Institute of Oil and Gas Problems of the Russian Academy of Sciences
3, Gubkina st., Moscow, 119333, Russian Federation
E-mail: vutoplennikov@ipng.ru

Anastasia D. Drabkina
Institute of Oil and Gas Problems of the Russian Academy of Sciences
3, Gubkina st., Moscow, 119333, Russian Federation

 

For citation:

Utoplennikov V.K., Drabkina A.D. (2019). Mixgenetic concept of of oil and gas fields formation in basement and sedimentary cover on the shelf of South Vietnam. Georesursy = Georesources, 21(4), pp. 27-33. DOI: https://doi.org/10.18599/grs.2019.4.27-33