Vessel provided with a device for removing and/or installing a sub-structure of a drilling or production platform
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United States of America Patent
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Sep 26, 2006
Grant Date -
May 13, 2004
app pub date -
Aug 13, 2001
filing date -
Aug 11, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The invention relates to a vessel (1) provided with a deck (2) and with a device (3) for removing and/or installing a sub-structure (4) of a drilling or production platform, wherein said device comprises a supporting structure (5) which is capable of tilting movement in a direction transversely to an edge (6) of the deck (2), hoisting means (7) connected to said supporting structure for hoisting said sub-structure, and supporting means for supporting said sub-structure mainly during tilting movement of said supporting structure, wherein said supporting means are provided separately from the supporting structure and capable of tilting movement with respect to the edge of the deck.
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Cited Art Landscape
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