| 管柱形磁源空间磁场矢量引导系统研究 |
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| 引用本文： | 王德桂,高德利.管柱形磁源空间磁场矢量引导系统研究[J].石油学报,2008,29(4):608-611. |
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| 作者姓名： | 王德桂 高德利 |
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| 作者单位： | 中国石油大学石油工程教育部重点实验室, 北京, 102249 |
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| 基金项目： | 国家自然科学基金
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中国石油天然气集团公司资助项目
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教育部长江学者和创新团队发展计划 |
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| 摘 要： | 介绍了国外的各类电磁场/磁场矢量引导系统的结构和应用范围,对磁场矢量引导系统核心部件进行了研究,建立了适合于与钻头相连接的管柱形磁体的三维空间磁场模型.应用磁体空间磁场规律的基本公式,推导了管柱形永磁体的三维空间磁场规律计算公式.根据磁探测系统测量到的磁场分量,利用规律计算公式和相应辅助计算软件,得到管柱形磁体源与磁探测系统之间矢量距离的计算规则,并对矢量距离计算规则进行了验证和分析.
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| 关 键 词： | 电磁-磁矢量引导系统 磁场 管柱形磁体 三维空间磁场模型 矢量距离 计算公式 |
| 收稿时间： | 2007-10-2 |
| 修稿时间： | 2007-12-25
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Study of magnetic vector guide system in tubular magnet source space |
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| WANG Degui,GAO Deli.Study of magnetic vector guide system in tubular magnet source space[J].Acta Petrolei Sinica,2008,29(4):608-611. |
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| Authors: | WANG Degui GAO Deli |
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| Affiliation: | Key Laboratory for Petroleum Engineering of the Ministry of Education, China University of Petroleum, Beijing 102249, China |
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| Abstract: | The structure and application of various kinds of electromagnetic-magnetic vector guide systems were introduced. The key parts of the magnetic vector guide system were discussed. A three-dimensional magnetic field model suitable for the tubular magnet connected with drilling bit was established. The fundamental formulae of magnetic field were used to deduce the formulae for the three-dimensional magnetic field of tubular magnet.According to the magnetic field ingredients,formulae and the corresponding software,the calculation law of vector distance between tubular magnet source and measurement system was obtained and was applied to analyze the magnetic field of tubular magnet. |
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| Keywords: | electromagnetic-magnetic vector guide system magnetic field tubular magnet three-dimensional magnetic field mode vector distance calculation formula
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