Logistical support of offshore drilling facilities

Details Logistical support of offshore drilling facilities Logistical support of offshore drilling facilities

1976-04-19

1978-04-25

Blix, Trygve M.

Ships

Mother ship, floating landing platform, and harbor

Vessel carrier

114264, B63B 3540

Patent

active

040856950

ABSTRACT:
A system for logistical support of an offshore drilling facility from a shore-based supply location includes a plurality of modular work deck units, a self-propelled vessel, and a plurality of one dock facilities at the supply location. The vessel releasably mates with and supports any one of the work deck units and cargo carried thereby. The vessel is ballastable for increasing and decreasing the draft of the vessel when the vessel is mated with a work deck unit sufficiently that the vessel can ballast down from a separately supported work deck unit and move out from thereunder. The dock facilities are defined for movement thereinto of the vessel with a work deck unit thereon. The dock facilities are each defined for engaging and supporting a work deck unit therein both for loading and unloading of cargo to and from the deck unit and for transfer to and from the vessel in response to ballasting of the vessel relative to the dock facility. Further, the drilling facility is arranged for receiving and discharging a work deck unit from and to the vessel.

REFERENCES:
patent: 3139197 (1964-06-01), Bylo
patent: 3191568 (1965-06-01), Schroeder et al.
patent: 3349742 (1967-10-01), Bylo
patent: 3399792 (1968-09-01), Chester
patent: 3417721 (1968-12-01), Vienna
patent: 3727414 (1973-04-01), Davies

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