| 汶川地震断裂带科学钻探项目WFSD-4孔钻探施工概况和关键技术 |
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| 引用本文： | 吴金生.,张伟,李旭东,段晓青,任福建.汶川地震断裂带科学钻探项目WFSD-4孔钻探施工概况和关键技术[J].探矿工程,2014,41(9):120-125. |
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| 作者姓名： | 吴金生. 张伟 李旭东 段晓青 任福建 |
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| 作者单位： | [1]成都理工大学,四川成都610059; [2]中国地质科学院探矿工艺研究所,四川成都611734; [3]中国地质调查局,北京100037; [4]江苏省地矿局第六地质大队,江苏连云港222023; [5]陕西煤田地质局一八五队,陕西榆林719000 |
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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; 中国地质调查局地调项目“破碎和强缩径地层大直径深孔取心钻进技术研究”（1212011120258）、“定向钻进技术在西部地区大直径深孔钻探中的应用”（12120113097600）、“地震断裂带复杂地层钻探施工技术应用示范”（12120114075701） |
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| 摘 要： | 介绍了汶川地震断裂带科学钻探项目WFSD-4孔钻探施工概况及采用的关键技术,包括螺杆马达-液动锤-长半合管取心钻进技术、偏心扩孔取心技术、防冲蚀取心钻头技术、大斜度定向钻进技术、活动套管技术、新型钻井液体系和新型深孔取心钻机等。
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| 关 键 词： | 汶川地震断裂带 科学钻探 钻探施工 关键技术 |
| 收稿时间： | 2014/7/22 0:00:00 |
| 修稿时间： | 2014/7/22 0:00:00 |
Overview on the Drilling Operation of and Key Technologies used in the WFSD-4 of Wenchuan Earthquake Fault Scientific Drilling Project |
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| WU Jin-sheng,ZHANG Wei,LI Xu-dong,DUAN Xiao-qing and REN fu-jian.Overview on the Drilling Operation of and Key Technologies used in the WFSD-4 of Wenchuan Earthquake Fault Scientific Drilling Project[J].Exploration Engineering(Drilling & Tunneling),2014,41(9):120-125. |
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| Authors: | WU Jin-sheng ZHANG Wei LI Xu-dong DUAN Xiao-qing and REN fu-jian |
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| Institution: | WU Jin-sheng,ZHANG Wei,LI Xu-dong,DUAN Xiao-qing,REN fu-jian( 1. Chengdu University of Technology, Chengdu Sichuan 610059, China; 2. Institute of Exploration Technology, CAGS, Chengdu Sichuan 611734, China; 3. China Geological Survey, Beijing 100037, China; 4. No. 6 Geological Brigade, Jiangsu Geology ＆ Mineral Exploration Bureau, Lianyungang Jiangsu 222023, China; 5. 185 Brigade, Shaanxi Bureau of Coal Geology, Yulin Shaanxi 719000, China) |
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| Abstract: | This paper introduces drilling operation of and some key technologies used in the borehole WFSD-4 of Wenchuan Earthquake Fault Scientific Drilling Project. The main drilling technologies used in the drilling operation of WFSD-4 are positive displacement motor-hydraulic hammer-long split core barrel coring technology,eccentric reaming coring technology,anti-erosion core bit technology,high angle directional drilling technology,retrievable casing technology,the new type of drilling fluid system and new type of drill rig for deep hole coring. |
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| Keywords: | Wenchuan earthquake fault scientific drilling drilling operation key technologies |
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