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Keywords: ovalisation
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Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-2179
...: this is called collapse. collapse pressure heat treatment application midstream oil & gas mechanism elastic collapse pressure external pressure offshore pipeline bauschinger effect diameter plastic collapse pressure formulation ovalisation stress-strain curve upstream oil & gas...
Proceedings Papers

Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-151
... to predict the evolution of the yield surface during reeling of seamless and seam welded pipes. It can capture the multiaxial ratcheting during cyclic bending and thus allows accurate prediction of pipe ovalisation during reeling. The results of large scale bend tests are compared against numerical...
Proceedings Papers

Paper presented at the The 26th International Ocean and Polar Engineering Conference, June 26–July 2, 2016
Paper Number: ISOPE-I-16-693
... numerical parametric studies have been performed Van Es (2014 and 2016) and Vasilikis (2016). curvature equation infill normal force calculation diagram normality principle ovalisation residual stress coil connection weld external pressure tube wall soil load curvature diagram plate...
Proceedings Papers

Paper presented at the The Twenty-fifth International Ocean and Polar Engineering Conference, June 21–26, 2015
Paper Number: ISOPE-I-15-826
... behaviour, where the sand-fill resists the development of the buckles which results in a significantly less steep decline of the bending moment capacity compared to tubes without sand-fill. steel metals & mining contribution sand-filled tube ovalisation critical strain spirally mpa...
Proceedings Papers

Paper presented at the The Twenty-fourth International Ocean and Polar Engineering Conference, June 15–20, 2014
Paper Number: ISOPE-I-14-265
... curvature corrosion management steel ovalisation strength pipeline pipe internal pressure steel pipe oilfield chemistry cs pipe production chemistry h2s management simulation installation application subsea 7 Contribution of Liner Strength in CRA Lined Pipes Sriskandarajah T, Venu Rao...
Proceedings Papers

Paper presented at the The Twenty-third International Offshore and Polar Engineering Conference, June 30–July 5, 2013
Paper Number: ISOPE-I-13-227
... are appropriate. strength production process specimen thickness rotation gresnigt numerical model diagram weld overview curvature diameter imperfection spirally ovalisation buckle cross section geometrical imperfection criterion steel grade Local Buckling of Spirally Welded Tubes...
Proceedings Papers

Paper presented at the The Twenty-first International Offshore and Polar Engineering Conference, June 19–24, 2011
Paper Number: ISOPE-I-11-518
... steel outer pipe from the transported corrosive product. The objective of the current research is to identify all variables that have an influence on the mechanical behaviour of lined pipe during bending. The parameters that determine the resistance to pipe ovalisation and liner wrinkling have...
Proceedings Papers

Paper presented at the The Seventeenth International Offshore and Polar Engineering Conference, July 1–6, 2007
Paper Number: ISOPE-I-07-518
... thickness selection in ultra-deep water applications of large diameter line pipes. The external pressure combined with bending load causes the pipeline to develop ovalisation buckling. Minimum wall thickness requirements are strictly linked to the material specifications. Two parameters are very important...
Proceedings Papers

Paper presented at the The Sixteenth International Offshore and Polar Engineering Conference, May 28–June 2, 2006
Paper Number: ISOPE-I-06-009
... (2000) prediction for ovalisation at maximum bending strain. Buckling strain of the pipe in the bending tests could be estimated well by equations from Murphy and Langer (1985) and Gresnigt (1986). The small scale reeling simulation tests have aided significantly in the design of the full scale bending...
Proceedings Papers

Paper presented at the The Twelfth International Offshore and Polar Engineering Conference, May 26–31, 2002
Paper Number: ISOPE-I-02-148
... ABSTRACT Mitred bends were and partly still are the standard pipe bends in large diameter pipelines for water transport in The Netherlands. Especially in situations with imposed bending, the deformation capacity is important. Failure modes in static loading are excessive ovalisation, local...
Proceedings Papers

Paper presented at the The Eleventh International Offshore and Polar Engineering Conference, June 17–22, 2001
Paper Number: ISOPE-I-01-143
... offshore pipeline evaluation upstream oil & gas murphey midstream oil & gas external pressure deflection gresnigt ovalisation formulae variation pipe buckled section formulation critical strain strength bs 8010 metals & mining Proceedings of the Eleventh (2001) International...
Proceedings Papers

Paper presented at the The Eleventh International Offshore and Polar Engineering Conference, June 17–22, 2001
Paper Number: ISOPE-I-01-136
... deformation internal pressure pipe axial stress failure mode equation of state ovalisation thickness effective axial force cross section plastic load Proceedings of the Eleventh (2001) International Offshore and Polar Engineering Conference Stavanger, Norway, June 17-22, 2001 Copyright © 2001...

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