| 嵩县槐树坪大型金矿复杂地层泥浆及护壁堵漏技术 |
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| 引用本文： | 肖丰伟,郑晓良,李超,戴红专,廖曦文,高志俭.嵩县槐树坪大型金矿复杂地层泥浆及护壁堵漏技术[J].探矿工程,2014,41(2):29-32. |
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| 作者姓名： | 肖丰伟 郑晓良 李超 戴红专 廖曦文 高志俭 |
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| 作者单位： | [1]河南省地矿局第二地质矿产调查院,河南 郑州450000 [2]河南省地矿建设工程（集团）有限公司,河南郑州450007 |
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| 摘 要： | 嵩县槐树坪金矿区域地质构造复杂，岩石破碎，部分岩层高岭土化，钻探施工中漏失、垮塌严重，经常发生钻孔缩径、卡钻、内管总成打捞困难等孔内事故，严重影响了钻进效率和钻孔质量。对该矿区施工所遇到的困难和需要重点解决的问题进行了分析，通过试验研究，确定采用聚合物低固相泥浆体系，并根据该矿区地层特点，确定了在不同条件下聚合物低固相泥浆的配方、配制方法、维护管理及护壁堵漏方法等，逐步在该矿区全面推广，大幅度减少了孔内事故、提高了纯钻效率和台月效率，有效地促进了该矿区的勘探进度，缩短了勘探周期，取得了显著的经济效益和社会效益。
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| 关 键 词： | 复杂地层 坍塌 漏失 缩径 聚合物低固相泥浆 |
| 收稿时间： | 2013/8/23 0:00:00 |
| 修稿时间： | 2013/9/2 0:00:00 |
Mud and Wall Protection Technologies Applied in the Complex Formation of a Large Gold Mine |
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| XIAO Feng-wei,ZHENG Xiao-liang,LI Chao,DAI Hong-zhuan,LIAO Xi-wen and GAO Zhi-jian.Mud and Wall Protection Technologies Applied in the Complex Formation of a Large Gold Mine[J].Exploration Engineering(Drilling & Tunneling),2014,41(2):29-32. |
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| Authors: | XIAO Feng-wei ZHENG Xiao-liang LI Chao DAI Hong-zhuan LIAO Xi-wen and GAO Zhi-jian |
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| Institution: | 1. The Second Geological Survey Insti- tute of Henan Bureau of Geology and Mineral Resources, Zhengzhou Henan 450000, China; 2. Henan Geological Mining Construction Engineering (group) Co. , Ltd. , Zhengzhou Henan 450007, China) |
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| Abstract: | Because of the complex regional tectonics with broken rocks, kaolinization in part of rocks, serious circulation loss and collapse in Huaishuping large gold mine, the downhole accidents of hole diameter shrinkage, drill pipe sticking and difficult inner tube assembly fishing often occurred, which seriously affected the drilling efficiency and drilling quality. The analysis on the above difficulties and problems are made, and by the experimental study, the low solids polymer mud system is adopted.According to the characteristics of the strata, the formula of low solid phase polymer mud, preparation method, maintenance and wall protection＆amp;plugging under different conditions are determined and gradually comprehensive promoted in this mining area.The hole accidents are greatly reduced with the efficiencies of penetration and meterage per rig-month improved, which also promotes the mining exploration progress, shortens the cycle of exploration and achieves re-markable economic and social benefits. |
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| Keywords: | complex formation collapse outflow necking low solid phase polymer mud |
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