| HD—可调式喷射反循环取心钻具 |
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| 引用本文： | 郭瑞建,侯平吉.HD—可调式喷射反循环取心钻具[J].煤田地质与勘探,1991,19(3):61-64. |
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| 作者姓名： | 郭瑞建 侯平吉 |
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| 作者单位： | 核工业西北地质勘探局探矿研究室 |
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| 摘 要： | 为了解决钻进严重破碎、类的水敏性地层的取心问题,酥、松、糟地层和断层泥之研制出此钻具。文章介绍了钻具的结构、工作原理、生产使用情况和效果。
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| 关 键 词： | 取心钻具 HD－可调式 |
HD ATJUSTABLE JET REVERSE CIRCULATION CORING TOOL |
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| Abstract: | HD adjustable jet reverse circulation coring tool was developed to solve the coring problems during the course of drilling in serious broken, weak and loose water-sensitive layers, The aticle introduces the structure, operation principle of the tool, as its application and results in production. |
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