摘要
介绍了HZ308多功能取心钻具的结构、特点,工作原理及生产试验情况.该钻具为钻探构造破碎带蚀变岩型金矿复杂地层提供了比较理想的取心工具,并展示了良好的应用前景.
Abstract This article introduces the structure, property, working theory and field test results of HZ 308 multi-function core barrel. It can be used for coring alterated and fractured gold dep-osites, is a kind of ideal core barrel for these formations and has a very good development trend.
出处
《探矿工程》
1991年第5期10-12,共3页
Exploration Engineering(Drilling & Tunneling)