Abstract
The floatover installation method is one of the two installation methods of the offshore platform topsides and is a much safe and efficient method for the mega integrated topsides. This paper presents a literature review on the research and technical challenges of floatover installations. Various floatover installation methods and concepts for the fixed and floating substructures with passive and active load transfer systems are reviewed, including the conventional single barge floatover installation, the T-barge floatover installation, the twin/dual floater floatover installation, and the dynamically positioning floatover installation. The exclusive mating units including the deck/leg mating units and the related guidelines are discussed. Investigations in respect of the in-site measurements, numerical modeling, and physical model tests are presented, following challenges and gaps between the practices and the research. Finally, further developing and refining modeling techniques are envisioned. This review aims to provide suggestions on research and development activities of floatover installation.
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