矿井瓦斯大口径抽采井施工技术研究

Discussion on construction of mine gas drainage with large diameter

文章以常村煤矿瓦斯大口径抽采井施工为工程背景,探讨了不同施工方案下的钻井优缺点,并针对钻井施工步骤及关键技术进行了设计与讨论,确定了存在厚表土层下的大口径瓦斯抽采井的施工技术,为常村煤矿瓦斯抽采工作及相似条件下的矿井安全生产提供了借鉴。

Based on gas drainage well with large diameter of Changcun Mine, advantages and disadvantages of drilling under different construction plan were discussed, the working step and key technology were analyzed, the gas drainage well with large diameter under thick regolith construction was settled, providing reference for gas drainage under similar condition.