| 汶川地震断裂带科学钻探一号孔（WFSD-1）不同取心方法的应用效果分析 |
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| 引用本文： | 尤建武,曹其友,杨明奇,王志祥.汶川地震断裂带科学钻探一号孔（WFSD-1）不同取心方法的应用效果分析[J].探矿工程,2009,36(12):9-12. |
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| 作者姓名： | 尤建武 曹其友 杨明奇 王志祥 |
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| 作者单位： | 四川省地质矿产勘查开发局四○三地质队,614200 |
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| 基金项目： | 科技部科技支撑计划专项“汶川地震断裂带科学钻探（WFSD）”项目之“科学钻探与科学测井”课题 |
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| 摘 要： | 针对因地震造成的复杂地层，在汶川地震断裂带科学钻探一号孔（WFSD-1）钻探施工中，为了保证岩心的采取率和原状性，满足地震机理研究需要，长孔段采用多型号多规格半合管取心工艺技术，确保全孔岩心采取率高达94．3％及岩心原状性好的目的，从而满足了汶川地震地学研究的需要。
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| 关 键 词： | 科学钻探 汶川地震断裂带 复杂地层 取心方法 半合管 采取率 原状性 |
| 收稿时间： | 2009/11/26 0:00:00 |
| 修稿时间： | 2009/11/26 0:00:00 |
Analysis on Application Results of Different Coring Methods in the Hole WFSD-1 of Wenchuan Earthquake Fault Scientific Drilling Project |
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| YOU Jian-wu,CAO Qi-you,YANG Ming-qi and WANG Zhi-xiang.Analysis on Application Results of Different Coring Methods in the Hole WFSD-1 of Wenchuan Earthquake Fault Scientific Drilling Project[J].Exploration Engineering(Drilling & Tunneling),2009,36(12):9-12. |
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| Authors: | YOU Jian-wu CAO Qi-you YANG Ming-qi and WANG Zhi-xiang |
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| Institution: | (403 Geological Brigade of Si- chuan Exploration and Development Bureau of Geology and Mineral Resources, Emeishan Siehuan 614200, China) |
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| Abstract: | Multi-type and multi-size split barrel coring technology were used in the hole WFSD - 1 of Wenchuan earthquake fault scientific drilling project to ensure high core recovery rate and keep the cores in original state even in very complicated formation conditions. As a result, 94. 3% of core recovery was achieved and the cores were in good original state, which meet the requirement of geo-scientific research. |
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| Keywords: | scientific drilling Wenchuan earthquake fault complicated rock formation coring method split core barrel core recovery rate original state |
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