Development status and prospect of permeability enhancement technology in high gas low permeability coal seam

ZHANG Xiaogang; JIANG Wenzhong; DU Feng

Safety in Coal Mines > 2021 > 52(2): 169-176.

ZHANG Xiaogang, JIANG Wenzhong, DU Feng. Development status and prospect of permeability enhancement technology in high gas low permeability coal seam[J]. Safety in Coal Mines, 2021, 52(2): 169-176.

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Development status and prospect of permeability enhancement technology in high gas low permeability coal seam

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Published Date: February 19, 2021

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Abstract

Abstract

Combined with the occurrence characteristics of China’s low permeability coal seam and the advantages and disadvantages of various permeability enhancement technologies, the technical methods to improve the permeability of coal seam are classified and compared, and the technology, equipment, application effect, existing problems and defects and applicable conditions of each permeability enhancement method are systematically sorted out. The development trend of permeability enhancement technology is prospected, and it is pointed out that permeability enhancement technology will work in combination with various permeability enhancement methods, and permeability enhancement equipment will develop towards intelligent and unmanned direction.
- low permeability coal seam,
- permeability enhancement technology,
- gas drainage,
- applicable condition,
- research progress and prospect

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