摘要
分析了岩心定向钻具的作用及应用前景，介绍了ＹＣＯ—Ⅱ型岩心定向钻具的工作原理和性能特点。
Function and applied vistas of the core
oriented drillingtool are analysed,working principle and performance characteristic of the YCO-Ⅱ
type core oriented drillingtool are introduced,make a summary and analysis for it's industrial
production and application.
出处
《地质与勘探》
CAS
CSCD
北大核心
1999年第2期59-60,共2页
Geology and Exploration
关键词
岩心定向
钻具
露采边坡
岩层产状
工作原理
core orientation,drillingtool,opencut mine edge shope
rock,formation original state
