Cross-borehole hydraulic slotting technique for preventing and controlling coal and gas outbursts during coal roadway excavation
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- 作者：Baiquan Lina ; b ; lbq21405@126.com" class="auth_mail" title="E-mail the corresponding author ; Fazhi Yana ; b ; yfzcumt@163.com" class="auth_mail" title="E-mail the corresponding author ; Chuanjie Zhua ; b ; Yan Zhoua ; b ; Quanle Zoua ; b ; Chang Guoa ; b ; Ting Liua ; b
- 关键词：Cross-borehole ; Hydraulic slotting ; Gas extraction ; Coal and gas outburst ; Coal roadway excavating
- 刊名：Journal of Natural Gas Science and Engineering
- 出版年：2015
- 出版时间：September 2015
- 年：2015
- 卷：26
- 期：Complete
- 页码：518-525
- 全文大小：1742 K
文摘
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Cross-borehole hydraulic slotting technique is proposed.
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The slots increase the permeability of the coal seam.
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The gas-extraction efficiency of the borehole is significantly improved.
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The coal and gas outburst disasters during excavations is eliminated.