Improvement of the calibration method for cement bond logging and overcome of the base line shift;
水泥胶结测井刻度方法的改进及基线漂移的克服
Increment 50 Ω·m calibration point for the induction logging tool to inspect instrument linearity.;
增加感应仪50Ω·m刻度点检查仪器的线性
The design principle and its realization of logging tool's calibration box;
电阻率仪器刻度盒的设计原理及实现