Hydraulic cutting cooperative pressure relief and permeability enhancement technology in low permeability outburst coal seam

Hydraulic cutting cooperative pressure relief and permeability enhancement technology in low permeability outburst coal seam

The effect of a single hydraulic cutting is not very ideal for thick coal seam with low permeability or coal seam with gangue to increase the permeability and release the pressure. In order to solve the above problem, taking the 21212 working face of Dongpang Coal Mine of Jizhong Energy Co. as an ex...

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Bibliographic Details
Main Authors: DU Jinlei1, ZHANG Minbo1,2, ZHANG Dianji1, ZHANG Dangyu2, ZHANG Zhen1, CUI Li1, WANG Zichao1, LI Chunxin1, ZHANG Fujian1
Format: Article
Language:zho
Published: Editorial Department of Industry and Mine Automation 2021-12-01
Series:Gong-kuang zidonghua
Subjects:
low permeability outburst coal seam; gas extraction; hydraulic cutting; pressure relief and penetration enhancement; effective extraction radius
Online Access:http://www.gkzdh.cn/jn-abD.aspx?ArticleID=14600

Internet

http://www.gkzdh.cn/jn-abD.aspx?ArticleID=14600

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