摘要
余吾煤业公司采用近水平定向钻进的技术,施工了多个泄水孔,优化了采区排水系统,提高了矿井抗水灾能力,同时也建立了新的采区排水模式。
Yuwu Mining Company uses the near level direction drilling technology which has constructed many bleeder holes and optimized the working area drainage system. This improved the ablity of prevent flood in coal mine. And at the same time, we build new drainage pattern in mining area.
出处
《煤》
2008年第9期6-7,35,共3页
Coal
关键词
近水平
定向控制
排水系统
应用
near level
orientation control
drainage system
application
