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| 汶川地震断裂带科学钻探取心钻进岩心堵塞机理分析 | |
| 引用本文： | 庄生明,罗光强,张伟. 汶川地震断裂带科学钻探取心钻进岩心堵塞机理分析[J]. 探矿工程, 2013, 40(7): 65-68 |
| 作者姓名： | 庄生明 罗光强 张伟 |
| 作者单位： | 中国地质科学院探矿工艺研究所,中国地质科学院探矿工艺研究所,中国地质科学院探矿工艺研究所 |
| 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 |
| 摘 要： | 对汶川地震断裂带科学钻探4号孔（WFSD-4）钻探现场半合管取心钻进岩心堵塞的机理进行了分析，总结出了4类岩心堵塞的形式，对每一类岩心堵塞形式给出了减轻岩心堵塞的技术措施建议。 |
| 关 键 词： | 地震科学钻探；取心钻进；破碎地层；岩心堵塞；机理；汶川地震断裂带科学钻探 |
| 收稿时间： | 2013-06-26 |
| 修稿时间： | 2013-06-27 |
Analysis oo Core Blockage Mechanism in the Core Drilling Operation of Wenchuan Earthquake Fault Scientific Drilling Project |
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| ZHUANG Sheng-ming,LUO Guang-qiang and ZHANG Wei. Analysis oo Core Blockage Mechanism in the Core Drilling Operation of Wenchuan Earthquake Fault Scientific Drilling Project[J]. Exploration Engineering:Rock & Soil Drilling and Tunneling, 2013, 40(7): 65-68 | |
| Authors: | ZHUANG Sheng-ming LUO Guang-qiang ZHANG Wei |
| Affiliation: | Institute of Exploration Technology, CAGS,Institute of Exploration Technology, CAGS and Institute of Exploration Technology, CAGS |
| Abstract: | By the analysis on core blockage mechanism with split core barrel for the coring operation of the borehole No.4 of Wenchuan Earthquake Fault Scientific Drilling Project, the paper summarized 4 core blockage forms. Some technical measures to reduce core blockage are suggested for each type of the core blockage form. |
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