New feature for evaluation of subsurface defects via multi-frequency alternating current field signature method

by Fangji Gan, Wenyang Li, Junbi Liao
Published 2018-01-01

Inner defect depth detection using a multifrequency alternating current potential drop technique

by Fangji Gan, Yuting Li, Zhengjun Wan, Junbi Liao
Published 2016-10-01

An SVM approach with alternating current potential drop technique to classify pits and cracks on the bottom of a metal plate

by Yuting Li, Fangji Gan, Zhengjun Wan, Junbi Liao
Published 2016-09-01

Research on Overflow Monitoring Mechanism Based on Downhole Microflow Detection

by Liang Ge, Ze Hu, Ping Chen, Lei Shi, Qing Yang, Junbi Liao
Published 2014-01-01

Design and Optimization of Annular Flow Electromagnetic Measurement System for Drilling Engineering

by Liang Ge, Hailong Li, Qing Wang, Guohui Wei, Ze Hu, Junbi Liao, Junlan Li
Published 2018-01-01