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DP Assisted and Passive Mooring for FPSO's

AuthorsAalbers, A.B., Janse, S.A.W., Boom, W.C. de
Conference/JournalOffshore Technology Conference (OTC), Houston, Texas, USA
Date1 May 1995
For the permanent positioning of an FPSO in the field, internal turret type SPM systems, based on fully passive anchoring, and combinations of such anchoring systems with Dynamic Positioning are being used.The paper presents the specific characteristics of each of the two positioning concepts in relation to field specific conditions and applicable legislation. Strong and weak points for the two concepts will be highlighted, on basis of results from computer simulations and model tests. Additionally the paper will describe the state-of-the-art tools, used to evaluate the alternative positioning concepts.

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