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HZ308多功能取心钻具在某金矿区的应用效果
Application of HZ308 Multi-function Core Barrel in a Gold Mine
【摘要】 通过HZ308多功能取心钻具在蚀变岩型和石英脉型金矿地层的应用,提出了防止底喷分流式钻头堵心、减少其损耗的措施。
【Abstract】 Based on application of HZ308 multi-function core barrel in altered rocks and quartz vein gold ore forrnation measures ard proposed for preventing core blockage and wear due to using of the bottom jet flow bit.
【关键词】 HZ308多功能取心钻具;
底喷分流式钻头;
液动冲击器;
【Key words】 HZ308 multi-function core barrel; bottom jet flow bit; hydro-hammer;
【Key words】 HZ308 multi-function core barrel; bottom jet flow bit; hydro-hammer;
- 【文献出处】 探矿工程(岩土钻掘工程) ,EXPLORATION ENGINEERING (DRILLING & TUNNELING) , 编辑部邮箱 ,1995年02期
- 【分类号】P634.43
- 【下载频次】28