油井磁防蜡技术中的Halbach型磁场的设计

doi:10.7523/j.issn.2095-6134.2016.06.006

中国科学院大学学报 ›› 2016, Vol. 33 ›› Issue (6): 753-757.DOI: 10.7523/j.issn.2095-6134.2016.06.006

油井磁防蜡技术中的Halbach型磁场的设计

廖艳飞^1,2, 王晓东², 那贤昭¹

1. 钢铁研究总院先进钢铁流程及材料国家重点实验室, 北京 100081;
2. 中国科学院大学材料科学与光电技术学院, 北京 100049

收稿日期:2016-02-25 发布日期:2016-11-15
通讯作者: 王晓东,E-mail:xiaodong.wang@ucas.ac.cn
基金资助:
中国科学院“百人计划”项目（111800M105）、国家自然科学基金（51374190，51574091）和中国科学院空间科学先导专项（XDA04078400）资助

Design of Halbach-type magnetic field for paraffin control in oilfield

LIAO Yanfei^1,2, WANG Xiaodong², NA Xianzhao¹

1. State Key Laboratory of Advanced Steel Processing and Products, Central Iron and Steel Research Institute, Beijing 100081, China;
2. College of Materials Science and Opto-Electronic Technology, University of Chinese Academy of Sciences, Beijing 100049, China

Received:2016-02-25 Published:2016-11-15

摘要/Abstract

摘要：

设计用于油田开采防蜡技术中的两种永磁体磁场结构.一般地，好的磁场设计需具备两个特点：结蜡区内的磁感应强度强和油路轴向上磁感应强度的梯度大.为此，以Halbach型永磁磁场为基础，设计了两种“螺旋形”的防蜡磁场结构.通过数值模拟研究它们的磁场分布特点.结果表明：两种磁场均具备上述两个特点.

关键词: Halbach磁场, 磁防蜡, 磁感应强度, 油田

Abstract:

Two strucutres of the permanent magnetic field have been designed for paraffin control in oilfield. Generally, the favorable design for such magnetic field meets the following two structural requirements. The magnetic flux densities in paraffin deposit zone in the cross-sectional direction are as strong as possible, and the gradients of magnetic flux density in the axial oil passage are as big as possible. Based on the concept of Halbach magnetic field, two structures have been designed and numerically analyzed to meet the above requirements for the purpose of the paraffin control. The results confirmed our conceivement and may serve as the application of the magnetic field construction for paraffin control in oilfield.

Key words: Halbach magnetic field, magnetic paraffin control, magnetic field, oilfield

中图分类号:

TE866

廖艳飞, 王晓东, 那贤昭. 油井磁防蜡技术中的Halbach型磁场的设计[J]. 中国科学院大学学报, 2016, 33(6): 753-757.

LIAO Yanfei, WANG Xiaodong, NA Xianzhao. Design of Halbach-type magnetic field for paraffin control in oilfield[J]. , 2016, 33(6): 753-757.

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油井磁防蜡技术中的Halbach型磁场的设计

Design of Halbach-type magnetic field for paraffin control in oilfield

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