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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
Analysis oo Core Blockage Mechanism in the Core Drilling Operation of Wenchuan Earthquake Fault Scientific Drilling Project
【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。
【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.
【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;
【Key words】 earthquake scientific drilling; coring drilling; broken formation; core blockage; mechanism; Wenchuan earthquake fault scientific drilling;
【Key words】 earthquake scientific drilling; coring drilling; broken formation; core blockage; mechanism; Wenchuan earthquake fault scientific drilling;
【基金】 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
- 【文献出处】 探矿工程(岩土钻掘工程) ,Exploration Engineering(Rock & Soil Drilling and Tunneling) , 编辑部邮箱 ,2013年07期
- 【分类号】P634.5
- 【被引频次】4
- 【下载频次】33