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 |
投稿时间:2014-07-22 修订日期:2014-07-22 点此下载全文 |
引用本文:吴金生.,张伟,李旭东,等.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].钻探工程,2014,41(9):120-125.WU Jin-sheng,ZHANG Wei,LI Xu-dong,et al. Overview on the Drilling Operation of and Key Technologies used in the WFSD-4 of Wenchuan Earthquake Fault Scientific Drilling Project[J]. Drilling Engineering, 2014,41(9):120-125. |
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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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中文摘要: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。 |
中文关键词:汶川地震断裂带 科学钻探 钻探施工 关键技术 |
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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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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. |
keywords:Wenchuan earthquake fault scientific drilling drilling operation key technologies |
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