1229双侧向测井仪套管回零点及异常回零现象分析

On Zero-returning of Recording Points from 1229 Dual Laterolog Tool.

引井的 12 2 9双侧向测井仪的记录点在未进入套管时常出现回零现象。结合测量曲线的不同反应 。

The recording points from 1229 imported dual laterolog tool often return to zero before the tool enters into the casing. Such phenomenon is analysed in accordance with different log responses of the tool.