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ABSTRACT
The Kuba coalfield in Xinjiang Province is a new block for the development of coalbed methane in China, and in order to explore the resource potential the coal reservoir pore-fracture system characteristics need to be researched, and favorable reservoir selection needs to be carried out. To characterize the physical properties and the pore-fracture system of coal 4 sets of experiments and 2 technologies were performed. The results obtained in this study demonstrated that two coal seams in the Kuba coalfield, namely A5 and A7, are more favorable reservoirs compared with the other coal seams based on the perspective of pore-fractures, and these results provide a theoretical basis for coalbed methane development.
Additional information
Funding
This work was supported by the National Natural Science Foundation of China [41872147];the National Major Research Program for Science and Technology of China [2017ZX05064002];Doctor’s Fund of Henan Polytechnic University [B2017-66].