Diverter valve
US8066071B2 · kind B2 · utility
4Cited by
5References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 30, 2008 |
| Grant date | Nov 29, 2011 |
| Priority date | — |
| Expiry date | Feb 3, 2030 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/16
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Apparatus for multi-zone wellbores that can by-pass upper hydrocarbon bearing zones and deliver fluid to lower hydrocarbon bearing zones. The apparatus can include at least one housing, and at least one port can be formed through the housing. An inner sleeve can be positioned within the housing. At least one cavity can be radially disposed on an outer diameter of the inner sleeve, and each cavity can be located within an annulus formed between the inner sleeve and the housing. A ball can be disposed within each cavity, and the ball can be adapted to selectively engage the port.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.