| 渭北煤田澄合矿区复杂地层钻孔施工技术 |
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| 引用本文： | 黄建宁,刘文革.渭北煤田澄合矿区复杂地层钻孔施工技术[J].探矿工程(岩土钻掘工程),2011,38(6):22-25. |
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| 作者姓名： | 黄建宁 刘文革 |
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| 作者单位： | 陕西省煤田地质局一三九队,陕西渭南,714000 |
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| 摘 要： | 渭北煤田澄合矿区属典型复杂地层,钻探施工难度大,钻探效率低。通过对钻探施工中的难点进行分析,总结了本地区钻探施工技术经验,针对钻探施工中存在的厚黄土层钻进、钻孔漏失和坍塌、岩石坚硬、粉煤采取等问题,提出了应对的技术措施和钻进施工工艺。
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| 关 键 词： | 复杂地层 钻探 技术对策 钻进工艺 澄合矿区 |
| 修稿时间： | 5/4/2011 12:00:00 AM |
Construction Technology of Borehole in Complex Formation in Chenghe Mining Area of Weibei |
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| HUANG Jian-ning and LIU Wen-ge.Construction Technology of Borehole in Complex Formation in Chenghe Mining Area of Weibei[J].Exploration Engineering:Rock & Soil Drilling and Tunneling,2011,38(6):22-25. |
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| Authors: | HUANG Jian-ning and LIU Wen-ge |
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| Affiliation: | 139 Brigade of Shaanxi Bureau of Coalfield Geology,139 Brigade of Shaanxi Bureau of Coalfield Geology |
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| Abstract: | The formation is typical complicated in Chenghe mining area of Weibei, drilling construction is difficult with low drilling efficiency. By the analysis on the difficulties in drilling process, the drilling technical experience was summed up; according to the drilling in thick loess layer, borehole leakage and collapsing, hard rock and pulverized coal taking, the relevant technical measures and drilling technologies were put forward. |
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| Keywords: | complex formation drilling technical measure drilling technology Chenghe mining area |
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