A SEMI-SUBMERSIBLE SERVICE VESSEL FOR A FLOATING INSTALLATION AND METHOD THEREFOR
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United States of America Patent
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Issued Date -
Jun 27, 2024
app pub date -
Mar 28, 2022
filing date -
Mar 30, 2021
priority date (Note) -
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Abstract
A semi-submersible service vessel (100) for a floating installation (102) has a hull (104) and a ballasting system. The ballasting system is arranged to selectively lower the hull (104) to a first draft and raise the hull (104) to a second draft. The second draft is smaller than the first draft. At least one submersed elongate lifting fork is fixed to the hull (104) and is configured to extend across the underside of the floating installation (102) and engage the underside of the floating installation (102) when the hull (104) is raised from the first draft to the second draft. Wherein the at least one lifting fork is arranged to lift the entire floating installation (102) when the hull (104) is raised from the first draft to the second draft, and a method of servicing a floating installation (102) with a semi-submersible service vessel (100).
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