The purpose of this paper is to compare the performance and cost impacts of polyester taut leg and steel semi-taut leg moorings in deep water applications. Motivation for this study is to provide a basis for selection of mooring system in conceptual and preliminary engineering phases. Mooring systems are designed for semi-submersible and spar based floating production and drilling units (FPDUs) in a typical Gulf of Mexico environment. Water depths used for mooring design range from 1,000 m to 3,000 m. Effect of horizontal load from steel catenary risers (SCRs) is also considered. Based on the results of the design, comparative performance and costs assessments of polyester and steel are made.
Comparative assessment of steel and polyester moorings in ultradeep water for spar- and semi-based production platforms
1999
10 Seiten, 2 Quellen
Conference paper
English
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