Vessel provided with a device for removing and/or installing...

Details Vessel provided with a device for removing and/or installing... Vessel provided with a device for removing and/or installing...

2006-09-26

2006-09-26

Beach, Thomas A (Department: 3671)

Wells

Submerged well

Means removably connected to permanent well structure

C166S353000, C405S158000, C114S268000

Reexamination Certificate

active

07111686

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.

REFERENCES:
patent: 3680322 (1972-08-01), Nolan et al.
patent: 3860122 (1975-01-01), Cernosek
patent: 4068490 (1978-01-01), Jegousse
patent: 4086777 (1978-05-01), Lai
patent: 4927296 (1990-05-01), Kaldenbach
patent: 5421675 (1995-06-01), Brown et al.
patent: 5464307 (1995-11-01), Wilkins
patent: 6364573 (2002-04-01), Baugh
patent: 6524030 (2003-02-01), Giovannini et al.
patent: 6550411 (2003-04-01), Den Hartogh et al.
patent: 6796742 (2004-09-01), Roger et al.
patent: 1012314 (2000-12-01), None

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