Top-down fracturing system
US10731445B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 29, 2016 |
| Grant date | Aug 4, 2020 |
| Priority date | — |
| Expiry date | Aug 9, 2037 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B2200/06
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A valve for use in a wellbore includes a housing including a housing port, a slidable closure member disposed in a bore of the housing and including a closure member port, and a seal disposed in the housing, wherein the closure member includes a first position in the housing where fluid communication is provided between the closure member port and the housing port, and a second position axially spaced from the first position where fluid communication between the closure member port and the housing port is restricted, wherein, in response to sealing of the bore of the housing by an obturating member sealingly engaging the seal, the closure member is configured to actuate from the first position to the second position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.