More than three million kilometers of high pressure liquid and gas pipelines are installed all over the world. Generally steel pipelines provide the safest means to transport large quantities of oil, oil related products and natural gas. However, just like any other technical component, they can deteriorate. As a result flaws can appear and grow until the pipeline fails. The appearance of cracks, especially Stress Corrosion Cracking is of increasing concern. These flaws must be identified, before they endanger the integrity of the line. This paper will introduce a new generation of high resolution inspection tools applying ultrasonic technology to detect, size and locate cracks and crack-like defects in the body and welds of transmission pipelines. These devices are pumped through the section of pipe to be inspected together with the medium being transported therein. They enable an inspection of the entire circumference and length of the pipe of up to several hundred kilometers in a single run. The paper will describe the non-destructive testing principles applied and introduce the major components of the inspection system, including the tool and defect specifications. The paper will also explain the data analysis process, including examples of data recorded by the tools.


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    Titel :

    Ultrasonic in-line inspection. High resolution crack detection for pipelines using a new generation of tools


    Weitere Titelangaben:

    Ultraschall-Betriebsüberwachung. Hochauflösende Rissprüfung für Pipelines durch Verwendung einer neuen Werkzeuggeneration


    Beteiligte:
    Barbian, A. (Autor:in) / Beller, M. (Autor:in) / Reber, K. (Autor:in) / Uzelac, N. (Autor:in) / Willems, H. (Autor:in)


    Erscheinungsdatum :

    2004


    Format / Umfang :

    6 Seiten, 5 Bilder, 1 Tabelle, 10 Quellen


    Anmerkungen:

    (Nicht paginiert)


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Datenträger


    Sprache :

    Englisch





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