Expandable screen by spring force
US9016365B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 19, 2012 |
| Grant date | Apr 28, 2015 |
| Priority date | — |
| Expiry date | Dec 7, 2032 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/108
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A sand control screen assembly selectively positionable within a wellbore. The sand control screen assembly comprises a pipe having an internal flow path, an external fluid collection subassembly in fluid communication with the internal flow path, a filter medium disposed in a fluid path between the exterior of the sand control screen assembly and the internal flow path, a biasing mechanism, configured to bias the fluid collection subassembly towards a wall of the wellbore, disposed between the fluid collection subassembly and the pipe, and a retaining mechanism configured to release the biasing mechanism in response to a trigger.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.