To improve the precision prevention of gas extraction borehole deformation and collapse, it
is an important prerequisite to achieve precise monitoring of boreholes. This work is based …

为推进瓦斯抽采钻孔精准智能化发展水平, 基于分布式光纤监测和布里渊光学时域分析技术(
BOTDA), 以山西某矿为工程背景, 开展了不同粒径配比下的钻孔堵孔模拟实验; …

Large diameter borehole drilling in fractured soft coal seam may lead to problems such as
drilling blockage, perforation, and hole collapse. The protective screen pipe in the drilling …

A key strategy for mitigating gas-related disasters involves the effective drainage of gas
through in-seam short boreholes. Maintaining the integrity of these boreholes in soft coal …

This study aims to promote the precise and intelligent monitoring of gas drainage boreholes.
In the engineering background of a coal mine in Shanxi Province, this study conducted …

Specific instability of boreholes drilled through rocks, such as borehole breakout, borehole
collapse, and shale swelling, is a significant concern in drilling operations due to the …