Downhole valve for fluid energized packers
US9644451B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 20, 2014 |
| Grant date | May 9, 2017 |
| Priority date | — |
| Expiry date | Nov 24, 2035 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B2200/04
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A downhole valve for fluid energized packers includes a valve sub and a packer. The valve sub further includes a control tube and a rotatable ball, the control tube having at least one closable aperture fluidly coupled to the packer when open, and the rotatable ball rotatable about an axle having at least one flow path closable by a rotation of the ball. The rotatable ball rotates about an axle coupled to a shift sleeve coupled to the lower end of the control tube. The rotatable ball includes a rotation pin extending from its outer surface and a rotation pin sleeve is adapted to rotate the ball in response to a movement of the ball toward or away from the rotation pin sleeve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.