The method of cement slurry injection through big-shift directional drilling and its technological parameters used in Gaoyang Iron Ore Mine to seal underground water rushing are introduced.
详细介绍了高阳铁矿实施大位移定向钻孔注浆方法和工艺参数，其成功的经验对治理矿山井下突水淹井事故具有一定的参考价值。
This article introduced the basic principles, the implementing points and the application effect of superimposing directional correction of inclination for deep exploration in Daye Iron Mine.
通过大冶铁矿深部勘探实践，介绍了叠加定向纠斜法的基本原理、实施要点、使用效果。
Directional drilling technique has already become a key link in long broach construction for gas drainage of the mine.
定向钻进技术已经成为煤矿井下抽放瓦斯长钻孔施工成套技术的关键环节。
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