Magnetic Wall Loss In Plain English

Cover for Article EMI Wall Loss Detection In Plain English

Electromagnetic inspection (EMI) methods used to detect wall loss defects in ferrous oil field pipe are important to personnel safety at the wellhead.  These EMI techniques have become more common but possibly not well understood by inspection companies and the clients they serve.  Magnetic wall loss detection is a nondestructive testing method which uses a magnetic field to locate areas of the pipe body wall which are thinner than…

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The Magical Magnetizing Coil

cover of article The Magical Magnetizing Coil

Magnetic nondestructive testing methods are widely used in the world of OCTG and drill pipe inspection. Magnetic inspection is a fast and effective way to detect a myriad of defects within ferrous pipe. Electromagnetic inspection (EMI) methods are some of the most common testing methods found in our segment of the industry. To maximize EMI’s potential, the field strength of the electromagnet used for EMI should be properly designed…

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