汶川地震断裂带科学钻探项目WFSD-4S孔取心钻进技术
投稿时间:2015-10-16  修订日期:2015-10-16  点此下载全文
引用本文:朱旭明,张晓西,翟育峰,等.汶川地震断裂带科学钻探项目WFSD-4S孔取心钻进技术[J].钻探工程,2015,42(12):1-5.
ZHU Xu-ming,ZHANG Xiao-xi,ZHAI Yu-feng,et al. Core Drilling Technology Used in Borehole WFSD-4S of Wenchuan Earthquake Fault Scientific Drilling Project[J]. Drilling Engineering, 2015,42(12):1-5.
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作者单位E-mail
朱旭明* 中国地质大学(武汉) zxm9044915@163.com 
张晓西 中国地质大学(武汉)工程学院 zxxcug@126.com 
翟育峰 山东省第三地质矿产勘查院  
赵远刚 中国地质科学院探矿工艺研究所  
项洋 中国地质大学(武汉)  
喻西 中国地质大学(武汉)  
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
中文摘要:汶川地震断裂带科学钻探项目WFSD-4S孔是为了进一步了解汶川地震主滑移带情况,取得更为全面完整的地质资料,于南坝地区四号孔附近靠近地表破裂带的位置所补充施工的穿过汶川地震主滑移带的浅孔。主要介绍了汶川地震断裂带科学钻探项目WFSD-4S孔针对钻孔地质条件复杂、孔内岩心采取率低等难题所采用的关键工艺和技术措施,并对其应用成果进行了分析和总结,通过从地层情况、施工过程、取心钻具、冲洗液技术以及事故处理等几个方面的详细论述,为以后对复杂地层选用合理的取心技术提供重要参考依据。
中文关键词:科学钻探  汶川地震断裂带  WFSD-4S孔  复杂地层  冲洗液  事故处理
 
Core Drilling Technology Used in Borehole WFSD-4S of Wenchuan Earthquake Fault Scientific Drilling Project
Abstract:The borehole WFSD-4S of Wenchuan earthquake fault scientific drilling project is a shallow supplemented hole through Wenchuan earthquake main slip band for further understanding the main slip of the Wenchuan earthquake to get more comprehensive drilling data, which is located near the surface rupture zone by the fourth hole in the Nanba region. The paper introduces the key technology and measures applied in the borehole WFSD-4S of Wenchuan earthquake fault scientific drilling project for the difficulties of complex geological conditions and low core recovery. The results of its application were analyzed and summarized; the detailed discussion was made on the formation conditions, the construction process, coring drilling tools, drilling fluid technology and accident treatment, which will provide important reference for the selection of reasonable coring technology in future complex formation drilling.
keywords:scientific drilling  Wenchuan earthquake fault  borehole WFSD-4S  complex formation  drilling fluid  accident treatment
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