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Evaluation of the Resistance of X120 Pipe to Mechanical Damage

[+] Author Affiliations
Antonio Lucci, Gianluca Mannucci, Giuliano Malatesta

Centro Sviluppo Materiali S.p.A., Rome, Italy

Nicholas E. Biery

ExxonMobil Upstream Research Company, Houston, TX

Paper No. IPC2006-10396, pp. 453-460; 8 pages
doi:10.1115/IPC2006-10396
From:
  • 2006 International Pipeline Conference
  • Volume 3: Materials and Joining; Pipeline Automation and Measurement; Risk and Reliability, Parts A and B
  • Calgary, Alberta, Canada, September 25–29, 2006
  • Conference Sponsors: Pipeline Division
  • ISBN: 0-7918-4263-0
  • Copyright © 2006 by Centro Sviluppo Materiali S.p.A. and ExxonMobil Upstream Research Company

abstract

High strength linepipe steels are being considered for several upcoming projects due to their potential to offer substantial savings through reduced wall thickness, particularly for high pressure designs. It is well known that mechanical damage from excavation activities is one of the most common causes of pipeline failure, however, little test data are available for higher grade steels. This paper presents the results of simulated excavator impacts on X120 pipe, and compares the results to those obtained on lower grade materials and to those predicted by computer simulations.

Copyright © 2006 by Centro Sviluppo Materiali S.p.A. and ExxonMobil Upstream Research Company

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