汶川地震断裂带科学钻探取心钻进岩心堵塞机理分析
문천지진단렬대과학찬탐취심찬진암심도새궤리분석
Analysis oo Core Blockage Mechanism in the Core Drilling Operation of Wenchuan Earthquake Fault Scientific Drilling Project
  • 万方数据
    探矿工程-岩土钻掘工程 탐광공정-암토찬굴공정
    EXPLORATION ENGINEERING (DRILLING & TUNNELING)
    2013年 7期 65-68 ,共4页

    庄生明%罗光强%张伟

    장생명%라광강%장위

    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 地震科學鑽探%取心鑽進%破碎地層%巖心堵塞%機理%汶川地震斷裂帶科學鑽探
    지진과학찬탐%취심찬진%파쇄지층%암심도새%궤리%문천지진단렬대과학찬탐
    earthquake scientific drilling%coring drilling%broken formation%core blockage%mechanism%Wenchuan earth-quake fault scientific drilling
    　　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。
    　　대문천지진단렬대과학찬탐4호공（WFSD －4）찬탐현장반합관취심찬진암심도새적궤리진행료분석，총결출료4류암심도새적형식，대매일류암심도새형식급출료감경암심도새적기술조시건의。
    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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