| 蒋荣庆,殷琨.气动贯通式潜孔锤反循环连续取心（样）钻具系统研制及使用效果[J].地质与勘探,1996,(3):55-60 |
| 气动贯通式潜孔锤反循环连续取心（样）钻具系统研制及使用效果 |
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| DOI： |
| 中文关键词: 贯通式潜孔锤 反循环连续取心 钻具 |
| 英文关键词: |
| 基金项目: |
| 蒋荣庆 殷琨 |
| 长春地质学院 |
| 摘要点击次数: 1967 |
| 全文下载次数: 1272 |
| 中文摘要: |
| 分析了硬、脆、碎、坝、漏复杂地层钻探施工的难题，结合地质岩心勘探特点和要求，研制了气动贯通式潜孔锤反循环连续取心（样）钻具系统，通过生产性试验取得显著的经济效益和社会效益。 |
| 英文摘要: |
| The atical analysis the drilling problems which happened in the complicated formations,such as hard leakage brokenbrittle and collapsible formations.Combine with the demands and characteristics of the exploration core drilling,the hollow-stem DTH hammer and reverse circulation sampling system have been developed. Theough the field test,remarkable economical and social effects have been achieved. |
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