Column structure enabling handling appliances on the seabed, par

Details Column structure enabling handling appliances on the seabed, par Column structure enabling handling appliances on the seabed, par

1977-05-31

1978-10-10

Novosad, Stephen J.

Wells

Submerged well

Connection or disconnection of submerged members remotely...

175 10, 166360, E21B 712

Patent

active

041191455

ABSTRACT:
The invention concerns the handling of appliances on the seabed, particularly for handling and maintaining well-heads and corresponding installations. For handling the well-heads, trolleys are mounted for travel along a column which is articulated to a base constructed on the seabed over a number of drilling wells. The trolleys are movable between the upper structure of the columns and the lower body part of the column coupled to the base, and carry well-heads or other devices between the upper structure and the base and release the same upon reaching the lower part of the column at a position above corresponding well orifices. Elongate vertical members or posts of the column have lateral walls constituting guide rails for the trolleys.

REFERENCES:
patent: 1958041 (1934-05-01), Hansen
patent: 3690112 (1972-09-01), Pattison et al.
patent: 3739592 (1973-06-01), Plake
patent: 3789921 (1974-02-01), De Chassey et al.

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