Here in this paper the structure of program tape of CSU digital logging system was discussed and as a result the file and program directories of it was presented.

• 文中讨论了CSU数控测井仪的程序带结构，介绍其中的文件目录与程序目录，分析了CSU是如何通过文件目录与程序目录管理程序带上的文件的。