| 小秦岭金矿田北矿带厚覆盖层钻探技术难点及对策 |
| 投稿时间：2013-07-24 修订日期：2013-07-24 点此下载全文 |
| 引用本文：罗永贵,王红阳,刘建华.小秦岭金矿田北矿带厚覆盖层钻探技术难点及对策[J].钻探工程,2014,41(1):27-29,32.LUO Yong-gui,WANG Hong-yang,LIU Jian-hua. Technical Difficulties of Thick Overburden Layer Drilling in Xiaoqinling Gold Mine and the Countermeasures[J]. Drilling Engineering, 2014,41(1):27-29,32. |
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| 中文摘要:针对小秦岭金矿田北矿带厚覆盖层钻孔施工存在的技术难点进行分析，从钻进方法、钻孔结构、泥浆护壁、工艺措施等方面，研究出解决厚覆盖层钻孔绳索取心钻进的技术对策和措施，在生产实践中较好地解决了技术难点问题，并取得了好的经济技术效果。 |
| 中文关键词:厚覆盖层 技术难点 绳索取心钻进 钻孔结构 泥浆 小秦岭金矿 |
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| Technical Difficulties of Thick Overburden Layer Drilling in Xiaoqinling Gold Mine and the Countermeasures |
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| Abstract:The analysis is made on the technical difficulties of thick overburden layer drilling in Xiaoqinling gold mine; the technical countermeasures are researched to solve the problems in thick overburden layer wire-line core drilling in the aspects of drilling methods, borehole structure, wall protection with mud and process measures, which have brought good effects in the practice. |
| keywords:thick overburden layer technical difficulty wire-line core drilling borehole structure mud Xiaoqinling gold mine |
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