Subsea equipment

Details Subsea equipment Subsea equipment

2005-10-19

2011-11-08

Hepperle, Stephen M (Department: 3753)

Fluid handling

Ambient condition change responsive

Underwater

C137S236100

Reexamination Certificate

active

08051872

ABSTRACT:
A subsea equipment (1) used for natural gas or crude oil production, such as a subsea actuator (2) for a valve, a restrictor or the like, a control module or other means, comprises at least an oil-filled first component (3) and a compensator unit (4) which is associated with said first component and which is in fluid communication therewith for pressure compensation. To improve such a subsea equipment in a structurally simple manner in such a way that it is capable of functioning and that pressure compensation is still possible, even if the associated compensator unit is damaged or fails to operate, a second compensator unit (5) is in fluid communication with said first component (3) or said first compensator unit (4) for pressure compensation.

REFERENCES:
patent: 3163985 (1965-01-01), Bouyoucos
patent: 3677001 (1972-07-01), Childers et al.
patent: 3933338 (1976-01-01), Herd et al.
patent: 4185652 (1980-01-01), Zintz et al.
patent: 4294284 (1981-10-01), Herd
patent: 6250199 (2001-06-01), Schulte et al.

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