An offshore construction system comprises a work module support vessel having a ballast-down mode, in which a deck of the vessel is submerged below the water surface, and a ballast-up mode, in which the deck is disposed above the water surface. The system further comprises an independently floatable
An offshore construction system comprises a work module support vessel having a ballast-down mode, in which a deck of the vessel is submerged below the water surface, and a ballast-up mode, in which the deck is disposed above the water surface. The system further comprises an independently floatable, pontoon-supported work module carried on the deck of the support vessel. The system also includes a draw connected between the work module and the work module support vessel. The draw has a draw-over mode, in which the work module is drawn over the deck of the support vessel, and a remove mode, in which the work module is removed from the deck.
대표청구항▼
1. An offshore construction system comprising: a work module support vessel having an essentially flat, open deck, a ballast-down mode, in which the deck is submerged, and a ballast-up mode, in which the deck is above water; a work module carried on the deck of the support vessel, the work modul
1. An offshore construction system comprising: a work module support vessel having an essentially flat, open deck, a ballast-down mode, in which the deck is submerged, and a ballast-up mode, in which the deck is above water; a work module carried on the deck of the support vessel, the work module being supported on a buoyant pontoon such that the work module is floatable independently of the support vessel; and a draw connected between the work module and the work module support vessel, the draw having a draw-over mode, in which a stern of the work module support vessel is ballasted down to the sea-floor and the work module is drawn over the deck, and a remove mode, in which the work module is removed from the deck. 2. The system of claim 1, wherein the work module support vessel further comprises guide rails. 3. The system of claim 2, wherein the guide rails mate with the work module. 4. The system of claim 1, wherein said deck allows at least a portion of the work module to extend beyond a side of the deck. 5. The system of claim 1, wherein said draw further comprises a jacking system. 6. The system of claim 5, wherein said jacking system further comprises a winch. 7. The system of claim 5, wherein said jacking system further comprises a push-pull jacking system. 8. The system of claim 1, wherein the work module comprises a well-servicing module. 9. The system of claim 1, wherein the work module comprises a transportation module. 10. The system of claim 1, wherein the work module comprises a heavy-lifting module. 11. The system of claim 1, wherein the work module comprises a survey module. 12. The system of claim 1, wherein the work module comprises a fixed-ballast installation module. 13. The system of claim 1, wherein the work module comprises a mooring-system installation module.
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이 특허에 인용된 특허 (13)
Cavanagh Richard A., Air cushion dry dock transport system.
McGlew John J. (P.O. Box 823 Tuxedo Park NY 10987) McGlew ; Jr. John J. (P.O. Box 823 Tuxedo Park NY 10987), Cargo ship having stowage space for floatable self-propelled warehouses.
Chitwood, James Scott; Knoll, David Alex; Piter, Edward Stephen; Pritchett, William Michael; Smith, Roy Keith; Ulbricht, Wilbert Ray, Skid shoe assembly for loading and transporting large structures.
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