| 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(岩土钻掘工程),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,四川,峨眉山,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 |
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:Rock & Soil Drilling and 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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| Affiliation: | 403 Geological Brigade of Sichuan Exploration and Development Bureau of Geology and Mineral Resources,403 Geological Brigade of Sichuan Exploration and Development Bureau of Geology and Mineral Resources,403 Geological Brigade of Sichuan Exploration and Development Bureau of Geology and Mineral Resources,403 Geological Brigade of Sichuan Exploration and Development Bureau of Geology and Mineral Resources |
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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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