Reclosable sleeve assembly and methods for isolating hydrocarbon production
US9850742B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 29, 2012 |
| Grant date | Dec 26, 2017 |
| Priority date | — |
| Expiry date | Oct 4, 2033 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B2200/06
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Disclosed is reclosable sleeve assembly including a housing defining one or more flow ports that provide fluid communication between a wellbore annulus and an interior of the housing, an outer sleeve arranged within the housing and movable between a closed position, where the outer sleeve occludes the one or more flow ports, and an open position, where the one or more flow ports are exposed, and an inner sleeve concentrically arranged within the outer sleeve and defining a plurality of flow slots, the inner sleeve being movable between an open position and a closed position where, when in the open position, the plurality of flow slots are axially aligned with the one or more flow ports.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.