大雅河抽水蓄能电站厂房深孔钻探技术分析

Analysis of deep hole drilling technology for powerhouse of Dayahe pumped storage power station

基于大雅河抽水蓄能电站厂房深孔恶劣的勘察条件及复杂的地层结构,分别从钻孔结构、钻进方法、钻井液的选用、孔内情况的处理及新工艺、新方法的使用等方面,进行了系统的分析,为高山抽水蓄能电站的勘察提供了主要依据。

Based on the poor survey condition and complex stratum structure of the deep hole for powerhouse of Dayahe pumped storage power station,the paper analyzes systematically and respectively to the drilling structure,drilling method,drilling fluid selection,hole situation treatment,the use of new technique and new method,and so on,and the analysis results could provide the main basis for the survey of high mountain pumped storage power station.