数字自然能谱伽马测井仪EDST常见故障解析

Common Failure Analysis of Digital Natural Spectrum Gamma Logging Tool EDST

数字自然能谱伽马测井仪EDST在油田勘探和开发中有着广泛的应用,主要用于校深和确定地层放射性类型及钾、铀、钍的含量。文章对EDST设备组成及测量原理进行简要的介绍,并对EDST在使用过程中遇到的一些典型案例进行总结,对故障原因进行了系统分析,重点介绍了故障的排查思路和解决方法。

Digital natural energy spectrum gamma logging tool EDST is widely used in oilfield exploration and development.It is mainly used for depth correction and determine the radioactivity type and the content of potassium,uranium and thorium in the formation.In this paper,the composition of EDST equipment and the principle of measurement are briefly introduced,and some typical cases encountered in the use of EDST are summarized,the cause of the failure is systematically analyzed,and the failure troubleshooting ideas and solutions are emphatically introduced.