高承压煤柱区老空积水钻孔疏放技术
Coal Mining Technology(2008)
Abstract
介绍了潘西煤矿431工作面在大采深高承压煤柱区下方,通过钻孔疏放煤柱区上部积水的研究与实践。在充分分析积水区和高承压煤柱区特点的基础上,采用套管内置改造钻孔壁的方法,顺利实现疏放积水。可为类似条件下探放水提供借鉴和指导。
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