摘要
绳索取心是不提钻取心钻进方法之一。目前它不仅在石油钻井中应用,已广泛用于地质岩心钻探和其它工程钻探。所以绳索取心钻具怎样使用比较合理显得尤为重要。
The core drilling technology is one of the drilling methods without picking up the cable tool coring.Nowadays,this method is uses nou noly in the petroleum drilling bue also in the gelongical core drilling and the other engineering drillings so is seems more important to use the core drilling equipment more properly.
出处
《煤炭技术》
CAS
北大核心
2011年第5期23-24,共2页
Coal Technology
关键词
钻探
内管
钻头
下降速度
drilling
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bit
descent uelocity