Patent · US Expired

Expandable tubing and method

US6772836B2 · kind B2 · utility

19Cited by
21References
29Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 10, 2002
Grant dateAug 10, 2004
Priority date
Expiry dateApr 15, 2023

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA45C3/00
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

An apparatus suitable for use in a wellbore comprises an expandable bistable device. An exemplary device has a plurality of bistable cells formed into a tubular shape. Each bistable cell comprises at least two elongated members that are connected to each other at their ends. The device is stable in a first configuration and a second configuration.

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