This paper presents the results of a joint industry project funded by 20 organizations, and performed and managed by Noble Denton Europe and MCS International. In Ref. 1, the recommended methodology for the integrated analysis of mooring and riser systems was presented. Even when an integrated analysis is carried out, the acceptance criteria applied for each of the two systems have come from entirely independent experiences in the two industries. In this paper, the recommended integrated design methodology is taken forward to evaluate the reliability of the mooring-riser-system. The paper reports on the methodology and preliminary results of integrated reliability analyses carried out for 4 floating systems: 3 FPSOs and 1 semi-submersible, located in water depths ranging from 150m to 1000m. These results, together with further results for a Gulf of Mexico floating production system, will be used to develop partial safety factors for agreed target reliabilities so that consistent reliability levels may be achieved between mooring and riser systems. This work will be presented in a further paper.
Integrated mooring and riser design: reliability analysis methodology and preliminary results
1999
13 Seiten, 9 Quellen
Conference paper
English
Integrated Mooring and Riser Design: Reliability Analysis Methodology and Preliminary Results
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