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。
This paper educed the error calculation formula of the mine directional Angle by using the method of guidance relation connected with the triangle observation.
本文采用导向联系三角形观测方法，导出了矿井定向角度的误差计算公式。
Introduced the directional broken blasting technology and application results in Xingtai coal mine.
介绍了定向断裂爆破施工工艺及其在邢台煤矿应用的效果。
Through contrasts of the solution mining, this paper introduced situations of the brine mining in the connected double wells and applications of the directional technology in the mine wells.
通过对水溶采矿方法的对比，分析双井对接连通采卤的优劣，以及人工受控定向技术在井矿盐中的应用和未来发展趋势。
The study conclusion have a directional significance to mining tectonic prognosis of the undigging area in Luan Mine Area.
研究结论对矿区未开拓区的矿井构造预测有重要指导意义。
The seam pressure releasing with the directional hydraulic fracturing could prevent and control the mine pressure bumping occurred.
利用定向水力压裂方法对煤层卸压，从而防治矿井冲击地压。
The seam pressure releasing with the directional hydraulic fracturing could prevent and control the mine pressure bumping occurred.
利用定向水力压裂方法对煤层卸压，从而防治矿井冲击地压。
应用推荐