Subsea high integrity pipeline protectoin system with bypass
US11408566B2 · kind B2 · utility
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8Claims
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Key dates
| Filing date | Feb 17, 2017 |
| Grant date | Aug 9, 2022 |
| Priority date | — |
| Expiry date | Mar 15, 2039 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B47/06
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A subsea high integrity pipeline protection system including a fluid inlet, a fluid outlet, a first barrier valve connected between the fluid inlet and the fluid outlet, a second barrier valve connected between the first barrier valve and the fluid outlet, and a bypass circuit which allows fluid to circumvent the barrier valves when closed, wherein the bypass circuit includes first and second bypass valves connected in series, and a third bypass valve connected in parallel to the second bypass valve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.