| 钻进式井壁取心器推靠方法的分析 |
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| 引用本文： | 王世圻.钻进式井壁取心器推靠方法的分析[J].航天控制,1998,16(2):77-80. |
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| 作者姓名： | 王世圻 |
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| 作者单位： | 北京航天自动控制研究所,100854 |
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| 摘 要： | 钻进式井壁取心器在井下钻取岩心时，必须牢固地推靠在井壁上，即姿态和位置不允许发生变化，否则就会卡钻，不能取出岩心。一般常用的单臂推靠法不够可靠，本文介绍的三臂推靠法克服了单臂推靠的缺点，极大地提高了取心收获率，并且简化了操作。
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| 关 键 词： | 民品 取心器 技术 研究 |
| 修稿时间： | 1998年4月1日 |
Analysis of Leaning - Against Method for Drilling Type Sidewall Coring Tool |
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| WANG Shiqi.Analysis of Leaning - Against Method for Drilling Type Sidewall Coring Tool[J].Aerospace Control,1998,16(2):77-80. |
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| Authors: | WANG Shiqi |
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| Institution: | Wang Shiqi Beijing Aerospace Automatic Control Institute 100854 |
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| Abstract: | When a drilling type sidewall coring tool picks core in the well, it must lean against the well wall firmly, i e , the attitude and position are not allowed to be varied, otherwise it will be jammed and the core cannot be picked out. The single-arm leaning-against method now used is not quite reliable, in this paper a 3-arm leaning-against method is recommended to overcome the deficiency of the single-arm method, it increases the coring yield greatly and simplifies the operation. |
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| Keywords: | Civil product Core * Technology Research |
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