Evolution model and formation mechanism of bio-thermocatalytic transitional zone gas

As a new genetic type of natural gas exploration area, the bio-thermocatalytic transitional zone gas (BTTZG) has been highly stressed by geologists both at home and abroad. Systematic study on the generation mechanism of hydrocarbon at the transitional zone is presented. Based on simulating experime...

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Bibliographic Details
Published in:Science China. Earth sciences 1997-02, Vol.40 (1), p.43-53
Main Author: 刘文汇 徐永昌 史继扬 雷怀彦 张柏生
Format: Article
Language:English
Subjects:
Aromatic compounds
BTTZ
Catalysis
Catalysts
Clay minerals
Condensates
Condensation polymerization
Evolution
gas
generation
Geochemistry
Geologists
hydrocarbon
Hydrocarbons
Low temperature
mechanochemistry
Natural gas
Natural gas exploration
Oil and gas exploration
Organic matter
Polymerization
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Summary:As a new genetic type of natural gas exploration area, the bio-thermocatalytic transitional zone gas (BTTZG) has been highly stressed by geologists both at home and abroad. Systematic study on the generation mechanism of hydrocarbon at the transitional zone is presented. Based on simulating experiments and geochemistry analysis of the source rock with lower evolution, a hydrocarbon-forming model at the transitional zone has been established. The mechanism is proposed that under the condition of low temperature and pressure combining with extremely active structural stress and clay mineral catalysis, BTTZG is formed by de-group of soluble organic matter and polarized compositions through orthocarbon ion as well as by condensation polymerization of aromatic ring-rich insoluble organic matter. This mechanism controls the formation of BTTZG , and furthermore, BTTZG is the product of superimposition and interaction of all the factors mentioned above.
ISSN:1674-7313
1006-9313
1869-1897
1862-2801
DOI:10.1007/BF02878580