System and Method for Aligning and Engaging a Topside to a Floating Substructure
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United States of America Patent
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Issued Date -
Jan 1, 2009
app pub date -
Jun 27, 2008
filing date -
Jun 27, 2007
priority date (Note) -
Abandoned
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Abstract
Systems and methods for aligning and engaging a topside with a fixed or floating substructure during float-over installation of the topside are disclosed. Some system embodiments include an alignment member coupled to the substructure, an extendable member coupled to the topside, the extendable member having a receptacle configured to receive the alignment member, and a damping system. In some embodiments, the damping system includes a piston-rod assembly having a piston slideably disposed with a housing, wherein a first chamber and a second chamber are formed, and a rod coupled between the piston and the extendable member, a source of pressurized gas coupled to the first chamber, and an accumulator containing fluid coupled to the second chamber.
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