一种适用于随钻核磁天线的磁芯材料  

A Soft Magnetic Material for LWD Magnetic Resonance Tool

作　　者：王光伟[1] Wang Guangwei(Well-Tech R&D Institutes,China Oilfield Service Limited,Beijing 101149)

机构地区：[1]中海油田服务股份有限公司油田技术研究院,北京101149

出　　处：《石化技术》2024年第3期39-41,共3页Petrochemical Industry Technology

摘　　要：介绍了一种随钻核磁天线的铁粉芯磁芯材料,该材料具备高饱和磁通密度,并具备较低的介电损耗,并具备高绝缘强度,并在强磁环境下不产生磁致伸缩效应,较好的解决了随钻核磁测井仪探头敏感区域设计需求。This paper introduces an iron-powder core material for nuclear magnetic antenna while drilling.The material has high saturation magnetic flux density,low dielectric loss and high insulation strength,and does not produce magnetostriction effect under strong magnetic environment.It can better meet the design requirements of the sensitive area of nuclear magnetic logging tool probes.

关 键 词：随钻核磁测井仪 铁粉磁芯 磁致伸缩 

分 类 号：P631.83[天文地球—地质矿产勘探]