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Critical technical parameters of large-diameter multi-stage casing drilling for mine rescue

ObjectiveThis study aims to meet the needs of mine rescue in cave-in accidents occurring in narrow underground spaces and to address the contradiction between equipment miniaturization and the drilling of large-diameter rescue boreholes under complex collapse conditions. Based on the goal of constru...

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I tiakina i:
Ngā taipitopito rārangi puna kōrero
Ngā kaituhi matua: Chao XU, Ningping YAO, Lei JIANG, Hongjie TIAN, Zhi LIU, Ning ZHU
Hōputu: Artigo
Reo:Chinês
I whakaputaina: Editorial Office of Coal Geology & Exploration 2025-04-01
Rangatū:Meitian dizhi yu kantan
Ngā marau:
Urunga tuihono:http://www.mtdzykt.com/article/doi/10.12363/issn.1001-1986.24.11.0693
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