摘要
针对胶东金矿区矿床类型多样、地层复杂的特点,提出了提高钻进时效、冲洗液漏失及其防治、钻孔坍塌与护壁以及松疏层取心的技术措施和方法.
The Jiaodong gold mining area is characterized by a variety of oredeposit types and a complexstratigraphic sequence. In view of this condition the author puts forward some technical measuresand methods for raising drilling efficiency, preventing flushing fluid leakage, protecting hole-walland guarding against hole caving, and for coring in soft loose rock formations.
出处
《地质与勘探》
CAS
CSCD
北大核心
1989年第6期54-55,共2页
Geology and Exploration
