Underwater installation apparatus

Details Underwater installation apparatus Underwater installation apparatus

2007-07-10

2007-07-10

Mayo, Tara L. (Department: 3671)

Hydraulic and earth engineering

Marine structure or fabrication thereof

C166S355000

Reexamination Certificate

active

11048142

ABSTRACT:
A running tool for deployment from a base such as a vessel for installing a component at an underwater facility such as a hydrocarbon extraction well includes a carriage which is lowered from the base. The carriage releasably retains the component. A compensator is located between the carriage and the base for compensating for relative motion between the underwater facility and the base.

REFERENCES:
patent: 2855685 (1958-10-01), Barreteau
patent: 3532162 (1970-10-01), Fischer
patent: 4702320 (1987-10-01), Gano et al.
patent: 4883388 (1989-11-01), Cherbonnier
patent: 4886397 (1989-12-01), Cherbonnier
patent: 5190107 (1993-03-01), Langner et al.
patent: 2005/0167117 (2005-08-01), Webster et al.
patent: 2371581 (2002-07-01), None

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