摘要
本文介绍了新型无簧绳索取心—液动冲击回转钻具的结构特点、技术性能以及在地表钻探中较好的试验效果。该钻具具有启动容易、性能稳定、所需泵量小、泵压低等优点。适用于中深孔钻进。
A new model of springless wireline coring-hydraulic percussion drilling tool was developel.Thiscoring tool has following mer its,including easy to start,steady in operation,making a small displa-cement,and requiring a low quantity and pressure pumping.Its structural features,technical functionand test results are concerned in this paper.
出处
《地质与勘探》
CAS
CSCD
北大核心
1992年第2期51-56,共6页
Geology and Exploration
