Apparatus and method for treating a reservoir using re-closeable sleeves
US9982512B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 19, 2015 |
| Grant date | May 29, 2018 |
| Priority date | — |
| Expiry date | Nov 21, 2035 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B2200/06
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
There is provided a flow control apparatus comprising: a housing; a port extending through the housing; a housing passage defined within the housing and configured for fluidly communicating via the port; a flow control member displaceable relative to the port for effecting opening and closing of the port; a retainer housing space, disposed between the housing and the flow control member, and co-operating with the flow control member such that, at least while the flow control member is disposed in the closed position, a sealing interface is disposed between the retainer housing space and the housing passage; and a resilient retainer member, extending from the housing and into the retainer housing space, and configured to releasably engage the flow control member for resisting displacement of the flow control member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.