| 对复杂地层偏心扩孔跟管取心钻具的设想 |
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| 引用本文： | 王海,蒋荣庆.对复杂地层偏心扩孔跟管取心钻具的设想[J].探矿工程(岩土钻掘工程),2001(1):25-26. |
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| 作者姓名： | 王海 蒋荣庆 |
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| 作者单位： | 1. 北京城建盾构基础工程公司,
2. 吉林大学〈朝阳校区〉 工程技术学院, |
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| 摘 要： | 针对复杂地层钻进和取心困难的问题，将潜孔锤跟管钻进、局部反循环取心工艺和单动双管取心钻具结合起来，设想了一种复杂地层偏心扩孔跟管取心钻具。论述了设计原则、设计思路、钻具工作原理以及钻具的特点。
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| 关 键 词： | 复杂地层 扩孔 跟管 取心 气动潜孔锤 钻具 |
| 文章编号： | 1000-3746(2001)01-0025-02 |
| 修稿时间： | 1999年11月8日 |
Conception of A Coring
Tool with Eccentric Drilling Type Simultaneous Casing in Difficult Formation |
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| WANG Hai,JIANG Rong-qing.Conception of A Coring
Tool with Eccentric Drilling Type Simultaneous Casing in Difficult Formation[J].Exploration Engineering:Rock & Soil Drilling and Tunneling,2001(1):25-26. |
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| Authors: | WANG Hai JIANG Rong-qing |
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| Abstract: | Being dead against drilling and coring problems encountered in difficult formation, a coring tool with eccentric drilling type simultaneous casing used in difficult formation is considered by the combination of DTH drilling with simultaneous casing, local area reverse circulation process and rigid type coring tool. The design principle, design concept, operating theory and features of the drilling tool are expounded. |
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