Gas lift valve
US8381821B2 · kind B2 · utility
1Cited by
29References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 1, 2009 |
| Grant date | Feb 26, 2013 |
| Priority date | — |
| Expiry date | Dec 10, 2030 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/123
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A gas lift valve assembly includes a housing that includes a first passageway that is substantially concentric with the central passageway of a string to communicate well fluid and a second passageway that is eccentrically disposed with respect to the central passageway to communicate a second fluid to lift the well fluid. The gas lift valve assembly includes a valve that is disposed in the second passageway and includes a ball valve to regulate communication of the second fluid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.