Patent · US Active

Swellable metal packer with porous external sleeve

US11047203B2 · kind B2 · utility

7Cited by
2References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 24, 2018
Grant dateJun 29, 2021
Priority date
Expiry dateSep 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.