Research on lift pressure system with combined pipeline and intensive drill-hole gas drainage along the layer in low permeability coal seam
Aiming at the problem of gas pre-drainage in high gas and low permeability coal seam,the strengthen technology of coal seam gas extraction was put forward which is the system of combined pipeline to lift the negative pressure and intensive large diameter drill-hole along seam.The extraction principl...
| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Emergency Management Press
2019-02-01
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| Series: | 矿业科学学报 |
| Subjects: | |
| Online Access: | http://kykxxb.cumtb.edu.cn/article/id/194 |