Swellable metal packer with porous external sleeve
US11047203B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 24, 2018 |
| Grant date | Jun 29, 2021 |
| Priority date | — |
| Expiry date | Sep 24, 2038 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B33/127
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A method for forming a seal in a wellbore that includes positioning a swell packer that comprises a swellable metal sealing element in the wellbore; wherein a porous layer is disposed about the swellable metal sealing element. The method also includes exposing the swellable metal sealing element to a downhole fluid; allowing or causing to allow the swellable metal sealing element to produce particles; and accumulating the particles within a first annulus formed between the porous layer and the tubular.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.