Weather protected offshore drilling rig

Details Weather protected offshore drilling rig Weather protected offshore drilling rig

1984-08-13

1986-09-23

Levy, Stuart S.

Boring or penetrating the earth

With magazine for successively moving unconnected, oriented...

175 5, 175 85, E21B 1914, E21B 1500, B63B 3544

Patent

active

046130012

ABSTRACT:
In order to improve the working conditions for the staff on drilling rigs, the work area for handling of pipes and tubes is arranged on a main deck covered by a drill deck, which has openings closable by hatch cover panels. The derrick is enclosed in a cover, from which tunnels extend out over the drill deck and comprises lifting means for handling of pipes and tubes between the decks. The tunnels are connected to the cover of the derrick by way of raised enclosures permitting the swinging of pipes from a horizontal position in the tunnel to a vertical position in the derrick, and vice versa. There is a door, at least at one of the enclosures permitting handling of especially long objects, and basically the handling of pipes and tubes can be performed within areas fully protected from the weather.

REFERENCES:
patent: 3499498 (1970-03-01), Bromell et al.
patent: 3749162 (1973-07-01), Anders
patent: 4067453 (1978-01-01), Moller
patent: 4081087 (1978-03-01), Freeman, Sr.
patent: 4129221 (1978-12-01), Moller
Cranfield, John, "Mobile Rig Designed for Arctic Waters", Mar., 1976, Ocean Industry, pp. 77-79.

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