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Keywords: inspection
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Journal Articles
Article Type: Safety And Reliability
J. Offshore Mech. Arct. Eng. February 2009, 131(1): 011602.
Published Online: December 11, 2008
...Roberto Montes-Iturrizaga; Ernesto Heredia-Zavoni; Francisco Vargas-Rodríguez; Michael Havbro Faber; Daniel Straub; Juan de Dios de la O The present paper introduces a general framework for integrity management of offshore steel jacket structures allowing for the risk based planning of inspections...
Journal Articles
Article Type: Materials
J. Offshore Mech. Arct. Eng. February 2009, 131(1): 011401.
Published Online: November 10, 2008
... ships (FPSOs and FSOs). Very slim chances to implement such fatigue improvement will arise when these vessels are in service, since a converted ship is designed to be inspected, maintained, and repaired in situ and not in dry dock as it is uneconomical to interrupt production. Codes recognize fatigue...
Journal Articles
Article Type: Research Papers
J. Offshore Mech. Arct. Eng. November 2008, 130(4): 041001.
Published Online: September 29, 2008
... to the reliability index. An application to risk based inspection planning for extension of the service life of a platform is given. failure analysis fatigue inspection loading marine systems Monte Carlo methods offshore installations reliability remaining life assessment steel structural...
Journal Articles
Article Type: Technical Papers
J. Offshore Mech. Arct. Eng. November 2007, 129(4): 265–272.
Published Online: May 26, 2006
... in pipelines. It is demonstrated how the time-variant corrosion process can be consistently represented by time-invariant random variables, using equivalent values of the corrosion rate. Finally, the influence of temporal variability on reliability updating following inspections is investigated and it is shown...
Journal Articles
Article Type: Technical Papers
J. Offshore Mech. Arct. Eng. May 2007, 129(2): 81–89.
Published Online: April 7, 2006
..., cracks are detected by means of close visual inspection when they have already propagated through the thickness. The propagation of long cracks in stiffened panels is therefore considered, as they may be present in critical details of the deck and/or bottom plating of the vessel. Although it has been...
Journal Articles
Article Type: Technical Papers
J. Offshore Mech. Arct. Eng. May 2007, 129(2): 97–106.
Published Online: March 30, 2006
... and quantitative published data in the Gulf of Guinea, where biological fouling has a significant impact on cost of structural inspection and maintenance because of the importance of colonization due to favorable environmental parameters (warmer temperature of seawater, intense action of the waves generating...
Journal Articles
Article Type: Technical Papers
J. Offshore Mech. Arct. Eng. May 2006, 128(2): 119–132.
Published Online: August 23, 2005
... need for unmanned underwater vehicles (UUVs) in oil and gas projects in the Persian Gulf, for doing operations such as inspection of offshore jackets, subsea pipelines, and submarine cables, and also pre-installation survey and post-laid survey of submarine pipelines and cables, design and construction...
Journal Articles
Article Type: Technical Papers
J. Offshore Mech. Arct. Eng. August 2005, 127(3): 243–248.
Published Online: March 29, 2005
... concerning the correctness and consistency of uncertainty modeling applied in the most recent reliability updating analysis for structural requalification and inspection and maintenance planning. To this end an outline is given in regard to appropriate uncertainty treatment in the probabilistic modeling...
Journal Articles
Article Type: Technical Papers
J. Offshore Mech. Arct. Eng. August 2005, 127(3): 220–226.
Published Online: March 29, 2005
...Michael Havbro Faber; John D. Sørensen; Jesper Tychsen; Daniel Straub After a brief outline of the simplified and generic approach to reliability- and risk-based inspection planning, focus is set on a recent application of the methodology for the planning of in-service NDT inspections of fixed...
Journal Articles
Article Type: Technical Papers
J. Offshore Mech. Arct. Eng. May 2005, 127(2): 167–174.
Published Online: January 7, 2005
... to aging ships’ structural integrity are assessed using the observations of the corrosion wastage database. The investigated risks are loss of local member’s strength, loss of global hull girder strength, and shortened inspection intervals. The experience database can be used in many aspects...
Journal Articles
Article Type: Technical Papers
J. Offshore Mech. Arct. Eng. August 2004, 126(3): 265–271.
Published Online: September 20, 2004
...Daniel Straub; Michael Havbro Faber Reliability and risk-based inspection planning (RBI) has been developed in the past for single structural details subject to fatigue, based on structural reliability analysis. This paper extends the methodology to systems with a stochastic dependency between...
Topics: Inspection
Journal Articles
Article Type: Technical Papers
J. Offshore Mech. Arct. Eng. August 2004, 126(3): 250–257.
Published Online: September 20, 2004
...Jan Mathisen; Kjell Larsen The use of risk-based inspection planning for offshore structural components is becoming quite familiar. This paper describes an application of this technique to mooring chain. In many cases, the technique is based on probabilistic modelling of fatigue crack growth...
Journal Articles
Article Type: Technical Papers
J. Offshore Mech. Arct. Eng. August 2004, 126(3): 243–249.
Published Online: September 20, 2004
...Ernesto Heredia-Zavoni; Roberto Montes-Iturrizaga A Bayesian framework is used for updating the probability distributions of the parameters of a fracture mechanics model and of crack size in tubular joints using information from inspection reports of fixed offshore structures. An error model...
Journal Articles
Article Type: Technical Papers
J. Offshore Mech. Arct. Eng. May 2003, 125(2): 126–131.
Published Online: April 16, 2003
...Michael Havbro Faber; Daniel Straub; Jean Goyet Based on new methodological developments in the area of risk-based inspection planning (RBI) for structural components subject to fatigue degradation, the present paper presents a unified approach to risk-based inspection planning for offshore...
Journal Articles
Article Type: Technical Papers
J. Offshore Mech. Arct. Eng. August 2000, 122(3): 173–180.
Published Online: April 14, 2000
...Torgeir Moan; Ruxin Song Offshore structures are considered as fail safe and inspections are carried out during their service lifetime to assess their actual condition. In this paper, the effect of inspection updating on fatigue reliability of offshore structures is investigated. In particular...
Journal Articles
Article Type: Technical Papers
J. Offshore Mech. Arct. Eng. May 2000, 122(2): 134–140.
Published Online: February 11, 2000
...Inge Lotsberg; Gudfinnur Sigurdsson; Per Terje Wold Probabilistic methods has been used to develop a basis for an in-service inspection program for the Åsgard A FPSO hull structure with respect to fatigue cracks. Åsgard A is a floating production unit constructed for Statoil and was installed...
Journal Articles
Article Type: Technical Papers
J. Offshore Mech. Arct. Eng. May 2000, 122(2): 81–92.
Published Online: November 18, 1999
... environmental conditions did considerable damage. PEMEX implemented a rapid repair program and was able to bring tile production back to its normal levels within two months. Subsequently, PEMEX, jointly with Instituto Mexicano del Petro´leo (IMP), launched an extensive program to inspect, assess, and repair...
Journal Articles
Article Type: Technical Papers
J. Offshore Mech. Arct. Eng. May 2000, 122(2): 65–71.
Published Online: November 11, 1999
... 1999 oil technology natural gas technology inspection maintenance engineering installation Right after hurricane Roxanne passed through the Bay of Campeche, and the special inspection program took place, PEMEX’s challenge was to establish...