Patent · US Active

Swellable metal for non-elastomeric O-rings, seal stacks, and gaskets

US11174700B2 · kind B2 · utility

4Cited by
25References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 13, 2017
Grant dateNov 16, 2021
Priority date
Expiry dateNov 13, 2037

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16J15/068
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

Swellable metal sealing elements and methods for forming a seal in a wellbore using said swellable metal sealing elements. An example method comprises providing a swellable metal sealing element selected from the group consisting of an O-ring, a gasket, or a seal stack; wherein the swellable metal sealing element is disposed in or around a downhole tool disposed in the wellbore. The method further comprises exposing the swellable metal sealing element to a brine and allowing or causing to allow the swellable metal sealing element to swell.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.