A technology for a non-contact (from the Earth surface) magnetic diagnostics of pipelines is developed by Transkor-K Centre (Moscow), which represents an alternative to the standard in-line inspection method (Science in Russia, 6, 2003). Diagnostic inspection device SKIF MBS-04 was demonstrated in the 6th Moscow International Show of the Industrial Property in 2003. Non-contact magnetic technology can be used for inspection of metal pipelines including the pipelines in oil-and-gas complex, in municipal and gas distribution networks, and in compressor plants where the in-line inspection is difficult or impossible. The non-contact magnetic method enables: - to precisely locate (in linear and angular coordinates) metal and insulation coating defects in underground pipeline by inspecting it from the surface of the Earth; - to determine the type of the defect and assess its potential danger; - to carry out monitoring and maintain a database on pipeline current technical condition; - to carry out pipeline system certification. Types of defects to be detected: crack-like defects (laps, rolling skins, guide marks, stress corrosion cracking), weld defects, pipe wall thickness variations (local corrosion pits, groove corrosion), compression marks, corrugations, deviation from the design laying axle.
The non-contact magnetic diagnostics of pipelines
Berührungslose magnetische Diagnose von Pipelines
2004
5 Seiten
(nicht paginiert)
Aufsatz (Konferenz)
Datenträger
Englisch
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