Magnetic Tomography Method (MTM)

The Magnetic Tomography Method (MTM) is an external non-contact inspection technique for detecting metal magnetic memory signals. It has considerable application potential in the inspection of long-distance oil pipelines and subsea pipelines.

Advantages

  • Detects all types of anomalies inside and outside of the pipe, indicates stress concentration at locations of "insignificantly small" defects that cannot be figured out by other non-destructive testing methods and that in turn appear to be high-risk anomalies (experimentally proven).
  • No interruption of pipeline operation.
  • No special pipeline preparation.
  • No necessary contact with the pipeline surface or changing mode of operation.
  • No pipeline cleaning.
  • No special preparation of the internal surface.
  • EFFICIENT for micro crack search in welds at high-load areas in new pipelines.
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