All Electromagnetic Defectoscopy techniques are usually split into two major groups: 

Magnetic Defectoscopy (Flux Leakage)Electromagnetic Pulse Defectoscopy (EMP)

Frequency-domain EMP DefectoscopyTime-domain EMP Defectoscopy


See Also


Petroleum Industry / Upstream /  Data Acquisition / Well & Reservoir Surveillance / Well logging / Cased-Hole Logging / Well Integrity Logging / Pipe Defectoscopy

Well & Log Analysis ][ Mechanical Defectoscopy (Caliper) ][ Optical Defectoscopy (Camera) ][ Utrasonic Defectoscopy ]