Four North Sea pipelines, in two bundles, were internally coated after fabrication using the in situ technique of multiple passes of a slug of paint locked between two pigs. One coat was applied to 9 km of pipeline in 30 min. The entire pipeline was heated by electrical resistance. Extensive laboratory and field testing showed the coating to have very good resistance to pigging abrasion and to blistering on rapid depressurization. Artificial crevices simulating coating damage did not accelerate corrosion and the presence of oil reduced it. The coating was found to be in good condition after 2 years in service.


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    Titel :

    Testing and use of in situ pipeline internal coatings in the North Sea


    Beteiligte:
    Jelinek, J. (Autor:in)

    Erschienen in:

    Materials Performance ; 38 , 8 ; 38-42


    Erscheinungsdatum :

    1999


    Format / Umfang :

    5 Seiten, 5 Quellen



    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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