Subsea equipment
US8051872B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 19, 2005 |
| Grant date | Nov 8, 2011 |
| Priority date | — |
| Expiry date | May 26, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/402
- WIPO fieldCivil engineering
- WIPO sectorOther fields
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.