| 液压剪切式取样钻具的研究 |
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| 引用本文： | 翁炜,赵尔信.液压剪切式取样钻具的研究[J].探矿工程,2012,39(4):8-10. |
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| 作者姓名： | 翁炜 赵尔信 |
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| 作者单位： | 北京探矿工程研究所,北京100083 |
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| 基金项目： | 中国地质调查局地质调查工作项目“精细、原位、保真、多元取样技术的研究”（1212010816017） |
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| 摘 要： | 在海洋和陆地水域等松软地层钻探取样过程中,使用常规取样钻具取样易造成样品质量差、取样率低等现象,为此特别设计一种液压剪切式取样工具。介绍了该钻具的设计原理、结构参数和试验效果。
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| 关 键 词： | 松软地层 钻探 液压 剪切 取样钻具 |
| 收稿时间： | 2011/10/8 0:00:00 |
| 修稿时间： | 2011/10/8 0:00:00 |
Research and Test of the Hydraulic Pressure Shear Coring Tool |
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| WENG Wei and ZHAO Er-xin.Research and Test of the Hydraulic Pressure Shear Coring Tool[J].Exploration Engineering(Drilling & Tunneling),2012,39(4):8-10. |
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| Authors: | WENG Wei and ZHAO Er-xin |
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| Institution: | (Beijing Institute of Exploration Engineering,Beijing 100083,China) |
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| Abstract: | During the coring of loose and soft formation in the subsea and continental water region,there are many difficulties such as poor quality of core and low core recovery.The hydraulic pressure shear coring tool was designed to solve these problems.The paper introduced its design principles,configuration features and the laboratory test effect. |
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| Keywords: | loose and soft formation drill hydraulic pressure shear coring tool |
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