ROV intervention on subsea equipment

Details ROV intervention on subsea equipment ROV intervention on subsea equipment

1988-11-16

1990-07-24

Taylor, Dennis L.

Hydraulic and earth engineering

Diving

Remote control

405188, 405185, 166338, 166341, F16L 2900

Patent

active

049431870

ABSTRACT:
A projecting actuation point and a hollow ROV-operable tool for subsea equipment both have a larger diameter surface and a smaller diameter surface, the former being nearest to the subsea equipment. The smaller diameter surface of the actuation point provides a coarse guidance and early alignment of the tool over the actuation point and the larger and smaller surfaces, which fit closely, provide in combination two sets of interfaces for final alignment.
The principle can be applied to a wide variety of subsea parts. The actuation point can be a spigot for a valve or choke, a point for hydraulic or electrical connection, a point for both fluid injection and valve isolation or a coupling to link a subsea component with a subsea module or to a remote power source.

REFERENCES:
patent: 3347567 (1967-10-01), Watkins
patent: 3698197 (1972-10-01), Bodey et al.
patent: 3891181 (1975-06-01), Sanders
patent: 3976347 (1976-08-01), Cooke et al.
patent: 4039237 (1977-08-01), Cullen et al.
patent: 4662389 (1987-05-01), Tgbal
patent: 4682913 (1987-07-01), Shatto et al.
patent: 4708524 (1987-11-01), Goris

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