钻杆漏磁检测励磁装置3D磁场的仿真模拟  

The 3D Magnetic Field of Excitation Unit of Drill Pipe MFL Testing Based on Analog Simulation

作　　者：马义来[1] 何仁洋[1] 陈金忠[1] 李春雨[1] 

机构地区：[1]中国特种设备检测研究院压力管道事业部,北京100029

出　　处：《无损检测》2016年第9期25-28,共4页Nondestructive Testing

摘　　要：漏磁检测技术被认为是一种高效率的无损检测方法,已被广泛应用于油田钻杆的检测中。利用ANSYS软件建立完整的励磁装置组合3D模型,通过分析计算实现钻杆在完整励磁装置组合下的磁场展示,可以代替物理实体试验,极大地提高了分析效率,减少了分析成本,达到了预期的要求,为钻杆励磁装置及钻杆的漏磁检测提供了理论依据。Magnetic flux leakage is one type of electromagnetic nondestructive testing（NDT）which is widely utilized in the testing the integrity of drill pipe in the field.In this paper,the 3D model of excitation unit is completely built and analyzed by ANSYS software.The magnetic field of drill pipe in the combination of full excitation device is shown by ANSYS software instead of the physic experiments which increases the efficiency tremendously and decreases the cost and achieves the anticipated desire.It is considered that this technique can provide the theoretical basis of drill pipe excitation device and the magnetic flux leakage testing of drill pipe.

关 键 词：钻杆 漏磁检测 励磁装置 有限元分析 

分 类 号：TG115.28[金属学及工艺—物理冶金]