Real-time forward modeling and inversion of logging-while-drilling electromagnetic measurements in horizontal wells

WANG Lei,LIU Yingming,WANG Caizhi,FAN Yiren,WU Zhenguan

Fig. 6. Comparison of simulated amplitude ratio resistivity and corresponding error by different boundary cut-off methods (The tool spacing and frequency are set at 1.016 m and 400 kHz, respectively).