NDT.net - November 1998, Vol. 3 No. 11

Table of Contents ECNDT '98

Session: Pipeline Industry

Operational Experience with Inline Ultrasonic Crack Inspection of German Crude Oil Pipelines

H. Willems, O.A. Barbian
Pipetronix GmbH, Karlsruhe-Stutensee, Germany
N. Vatter
Deutsche Transalpine Oelleitung GmbH, München, Germany
Corresponding Author Contact:
Herbert Willems
Email: hw@pipetronix.de

Received without images



Tool & Defect Specification

Inspection Technique







  1. Surkov, Y.P., and Khoroshih, A.V., "Investigation of Cases of Corrosion Cracking in Operating Gas Pipelines", 3R International, No 35, 1996, pp 396-403.
  2. Krautkrämer, J., and Krautkrämer, H., "Werkstoffprüfung mit Ultraschall (Materials Testing with Ultrasound)", 5. Edition, Springer Verlag, Berlin, 1986.
  3. Goedecke, H., Krieg, G., and Stripf, H., "UltraScan Survey in Gas Pipelines with Batch Technology," Proc 2nd Int. Conference on Pipeline Inspection, Moscow, Russia, 1991.
  4. Barbian, O.A. , Grohs, B., and Licht, R., "Signalanhebung durch Entstörung von Laufzeitmeßwerten aus Ultraschallprüfungen von ferritischen und austenitischen Werkstoffen - ALOK 1 (Signal Enhancement by Filtering of Time-of Flight Data from Ultrasonic Inspections of Ferritic and Austenic Materials - ALOK 1)", Materialprüfung 23, 1981, pp 379-383.
  5. Khoroshih, A.V., Willems, H.H., Barbian, O.A., Surkov, Y.P., and Rybalko, V.G., "Inspection of trunk gas pipelines subject to external stress corrosion cracking", Defektoskopija, No 5, 1997, pp 3-13.
  6. Martens, B., Krishnamurty, R., and Marreck, P., "SCC Management - 24" RPL Impact of Inline SCC Inspection", Proc Banff/97 Pipeline Workshop: Managing Pipeline Integrity - Planning for the Future, Banff, Alberta (Canada), 1997.
  7. TÜV Rheinland, Verfahrensgutachten: UltraScan CD - Ultraschall-Rißsuchmolch, 1995.
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