NDT.net 1998 Oct, Vol.3 No.10

Table of Contents ECNDT '98

Session: Chemical, Petrochemical

Practical Experiences in the Application of advanced Ultrasonic Equipment to Decrease Downtime through Non Intrusive, True Condition Assessment

J. Verkooijen
AEA Sonomatic BV, Krombraak 15, 4906 CR Oosterhout, The Netherlands

Corresponding Author Contact:
Wilbert Martens, AEA Sonomatic BV, Krombraak 15, 4906 CR, Oosterhout (Netherlands), Phone: +31 (0)162 42 55 88, Fax: +31 (0) 162 42 43 43, Wilbert.Martens@aea-technology.nl, http://www.aeat.co.uk

TABLE OF CONTENTS


Introduction

Periodic Inspection

Alternatives

Techniques available

Corrosion Mapping

Comparison of techniques available for corrosion assessment

Time of Flight Diffraction

NII Example Project 1

NII Example Project 2

NII Example Project 3

Stress measurement

Measuring inaccuracy

Base line inspection

Personnel qualification

Conclusion

References

  1. NDT value for Money, Dr.Martin Wall and Dr. Alan Wedgwood, MTQ94 Birmingham Insight vol 36 No.10 October 1994
  2. NDT Economy Price Versus Cost, J.Verkooijen (Not Published, 1995)
  3. BS4515, Welding of Steel Pipelines on land and offshore 1995
  4. BS 7706, Guide to Calibration and setting up of the ultrasonic Time of Flight (TOFD) Technique for the detection, location and sizing of flaws 1993
  5. ASME VIII, Code case 2235 Use of Ultrasonic examination in lieu of radiography, Section VIII, div 1 & 2
  6. The need for reliable NDT measurements in plant management systems, Ing. Jan Verkooijen, ECNDT 1998, Kopenhagen
  7. WGAC9613rev 5, Draft acceptatie criteria voor TOFD (KINT project)
  8. Estimates of the probability of detection of flaws in TOFD data with varying levels of noise, M.G.Silk, Insight Vol.38 No. 1 January 1996
  9. Risk Based Inspection (RBI), Planning- process and practice, I.O'Donnel AEA Technology Plc. 1996/1997
  10. A Methodology for Plant Stratification, D.A.McInnes, I.O'Donnel, AEA Technology Plc. September 1996
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