Model of high rank coalbed methane in Zhengzhuang block in the southern Qinshui Basin, China
Received date: 2020-05-15
Revised date: 2020-08-06
Online published: 2021-02-04
Supported by
The China National Science & Technology Major Project(2017ZX05064)
The Major Science and Technology Special Project of CNPC(2017E-1405)
In order to explain the rules of coalbed methane accumulation in Zhengzhuang Block of Qinshui Basin, the conditions and main controlling factors of the CBM accumulation in the study area were analyzed based on the data of drilling, logging, seismic, well testing, coal and rock testing and production. The conditions for CBM accumulation is mainly controlled by structure, hydrogeology and coal metamorphism. Based on the structural morphology, the surrounding rock and the dynamic characteristics of groundwater, the CBM reservoir in the study area is divided into four types of accumulation modes: shallow monocline, nasal structure, closed fault gas-water trap and syncline mode of deep coal seam, so as to guide the CBM development.
Shu-ren FENG , Cong ZHANG , Jian-guo ZHANG , Mao-po QIAO , Chun-chun LIU , He PENG , Chong-hao MAO . Model of high rank coalbed methane in Zhengzhuang block in the southern Qinshui Basin, China[J]. Natural Gas Geoscience, 2021 , 32(1) : 136 -144 . DOI: 10.11764/j.issn.1672-1926.2020.09.003
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