平庆煤矿117801工作面钻孔施工、封孔和接抽安全技术的研究

摘要

In order to solve the problem of coal mining technology of 117801 working surface, this paper has a research on the technique about drilling operation, bore sealing and drainage continuation, which offers a solution to the technical problem of mining construction of that working surface and provides a technical guid⁃ance for a plurality of similar working surface mining.%为了解决平庆煤矿117801工作面的开采技术问题，本文对钻孔施工、封孔和接抽的技术进行了研究，解决了该工作面开采施工的技术难题，为多个同类工作面开采提供了技术指导。