| 大口径取心工艺在刚果(金)某矿区的应用 |
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| 引用本文： | 李慧芳. 大口径取心工艺在刚果(金)某矿区的应用[J]. 探矿工程, 2011, 38(9): 46-48 |
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| 作者姓名： | 李慧芳 |
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| 作者单位： | 华北有色工程勘察院有限公司,河北石家庄050021 |
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| 摘 要： | 为了满足选冶试验矿样质量的需要,刚果（金）Sicomines铜钴矿区选用了大口径取心（≥Φ325 mm）钻探工艺。实际应用表明,针对完整或破碎地层条件选用不同的筒状钻具及取心工艺是大口径取心工程成功的关键。
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| 关 键 词： | 大口径 取心钻探 筒状钻具 |
| 收稿时间： | 2011-03-08 |
| 修稿时间： | 2011-06-09 |
Application of Large Diameter Coring Technology in Beneficiation and Metallurgy Test of a Mining Area in RDC |
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| LI Hui-fang. Application of Large Diameter Coring Technology in Beneficiation and Metallurgy Test of a Mining Area in RDC[J]. Exploration Engineering:Rock & Soil Drilling and Tunneling, 2011, 38(9): 46-48 |
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| Authors: | LI Hui-fang |
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| Affiliation: | LI Hui-fang(North China Engineering Investigation Institute Co.,Ltd,Shijiazhuang Hebei 050021,China) |
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| Abstract: | In order to meet the needs in quality of core sample for the beneficiation and metallurgy test,the coring drilling technology with large diameter（≥325mm） tubular was used in Sicomines copper-cobalt mining area.The key to the success in the large diameter coring project lies on selecting different tubular-shaped drilling tools and coring technologies according to the condition of complete or broken formation. |
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| Keywords: | large diameter coring drilling tubular-shaped drilling tool |
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