Experimental Study on Pressure Relief Gas Extraction of Goaf with Large Diameter Borehole inHigh Gas Close Distance Coal Seams
Based on the engineering background of gas control in the close distance coal seams goaf in Xiaohuigou Coal Mine, the experimental study on the pressure relief gas extraction of goaf with the large diameter borehole in close distance coal seams is carried out combined with the theoretical analysis...
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| Format: | Article |
| Language: | zho |
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Editorial Office of Safety in Coal Mines
2020-09-01
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| Series: | Meikuang Anquan |
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| Online Access: | https://www.mkaqzz.com/cn/article/id/7131 |