松软煤体钻孔稳定性与塌孔机理分析
韦瑞敏
（山西寿阳潞阳麦捷煤业有限公司，山西 寿阳 045400）
摘要： 在瓦斯抽采工程中，需要施工大量的煤层钻孔。然而，由于煤层松软钻孔的成型和稳定性差，严重制约了钻
孔施工和抽采的效率。通过对影响松软煤体钻孔稳定性的因素进行分析，探讨了钻孔塌孔的机理，以期为瓦斯抽采钻孔
的施工提供一定的指导。
关键词： 瓦斯抽采；煤层钻孔；稳定性；塌孔机理
中图分类号： TD712.6     文献标识码： A     文章编号： 2095-0802-(2021)10-0067-02
Analysis of Borehole Stability and Borehole Collapse Mechanism in Soft Coal
WEI Ruimin
(Shouyang Luyang Maijie Coal Industry Co., Ltd. of Shanxi, Shouyang 045400, Shanxi, China)
Abstract: In gas drainage engineering, a large number of coal seam boreholes need to be constructed. However, due to the poor
formation and stability of soft coal seam drilling, the efficiency of drilling construction and extraction is seriously restricted. By
analyzing the factors affecting the borehole stability of soft coal, the mechanism of borehole collapse was discussed in order to
provide some guidance for the construction of gas drainage boreholes.

Key words: gas drainage; coal seam boreholes; stability; mechanism of borehole collapse