小秦岭金矿田北矿带厚覆盖层钻探技术难点及对策
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河南省地矿局第三地质勘察院,河南省地矿局第三地质勘察院,河南省地矿局第四地质勘查院

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Technical Difficulties of Thick Overburden Layer Drilling in Xiaoqinling Gold Mine and the Countermeasures
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No.3 Geological Exploration Institute, Henan Provincial Bureau of Geo-exploration and Mineral Development,No.3 Geological Exploration Institute, Henan Provincial Bureau of Geo-exploration and Mineral Development,No.4 Geological Exploration Institute, Henan Provincial Bureau of Geo-exploration and Mineral Development

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    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。

    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.

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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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  • 收稿日期:2013-07-24
  • 最后修改日期:2013-07-24
  • 录用日期:2013-10-24
  • 在线发布日期: 2014-01-20
  • 出版日期: