Annulus isolation valve assembly
US10697270B2 · kind B2 · utility
5Cited by
5References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 27, 2016 |
| Grant date | Jun 30, 2020 |
| Priority date | — |
| Expiry date | Nov 29, 2036 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B2200/06
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An annulus isolation valve assembly being part of a tubing hanger assembly, with a valve bore having a fluid mouth, and a sliding sleeve which is arranged in the valve bore and which has an axially extending sleeve bore. The sliding sleeve has a radially facing sleeve port. A hydraulic piston is functionally connected to the sliding sleeve. The sliding sleeve comprises an axially facing fluid port which is in fluid communication with the radially facing sleeve port.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.