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Strength and Deformation Capacity of Corroded Pipes: The Joint Industry Project

[+] Author Affiliations
Erik Levold

Statoil ASA, Trondheim, Norway

Andrea Restelli

ENI - Exploration & Production Division, San Donato Milanese, Italy

Lorenzo Marchionni, Luigino Vitali

Saipem S.p.A., Fano, Italy

Caterina Molinari

Saipem S.p.A., San Donato Milanese, Italy

Paper No. OMAE2013-10293, pp. V04AT04A029; 14 pages
doi:10.1115/OMAE2013-10293
From:
  • ASME 2013 32nd International Conference on Ocean, Offshore and Arctic Engineering
  • Volume 4A: Pipeline and Riser Technology
  • Nantes, France, June 9–14, 2013
  • Conference Sponsors: Ocean, Offshore and Arctic Engineering Division
  • ISBN: 978-0-7918-5536-2
  • Copyright © 2013 by ASME

abstract

Considering the future development for offshore pipelines, moving towards difficult operating condition and deep/ultra-deep water applications, there is the need to understand the failure mechanisms and better quantify the strength and deformation capacity of corroded pipelines considering the relevant failure modes (collapse, local buckling under internal and external pressure, fracture / plastic collapse etc.).

A Joint Industry Project sponsored by ENI E&P and Statoil has been launched with the objective to quantify and assess the strength and deformation capacity of corroded pipes in presence of internal overpressure and axial/bending loading. In this paper:

• The State-of-the-Art on strength and deformation capacity of corroded pipes is presented;

• The full-scale laboratory tests on corroded pipes under bending moment dominated load conditions, performed at C-FER facilities, are shown together with the calibrated ABAQUS FE Model;

• The results of the ABAQUS FEM parametric study are presented.

Copyright © 2013 by ASME
Topics: Deformation , Pipes

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