Guide line attachment

Details Guide line attachment Guide line attachment

1990-06-20

1992-04-28

Novosad, Stephen J.

Wells

Submerged well

Connection or disconnection of submerged members remotely...

285316, 403109, 403322, 405191, 405224, E21B 7128, E21B 4100, F16L 3720, F16L 3722

Patent

active

051079305

ABSTRACT:
A guide line attachment for releasably attaching a guide line to a guide post top or other portion of a sub-sea installation has three relatively movable spring loaded concentric sleeves, the relative movement of which can be used to releasably lock the attachment to the guide post top or other portion. Relative movement of the sleeves also activates a latch to releasably lock the sleeves to each other. The attachment may fit inside or outside a guide post top and may be pre-set so that it will or will not automatically relatch on release. The guide post tops have internal or external grooves for engaging the attachment locking means, and specially designed tools may be used to effect remote release sub-sea. The guide line attachment may be used for all stages of the drilling and production of a sub-sea oil well and avoids the present need to cut and replace guide lines at different stages in the life of a sub-sea well.

REFERENCES:
patent: 3452815 (1969-07-01), Watkins
patent: 3863961 (1975-02-01), Dinning
patent: 4032240 (1977-06-01), Reinhardt et al.
patent: 4405263 (1983-09-01), Hall
patent: 4443130 (1984-04-01), Hall
patent: 4708524 (1987-11-01), Goris
patent: 4828035 (1989-05-01), McInturff
patent: 4927295 (1990-05-01), Knowles

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