Patent · US Active

Expandable liner tieback connection

US8910709B2 · kind B2 · utility

2Cited by
6References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 22, 2010
Grant dateDec 16, 2014
Priority date
Expiry dateAug 20, 2031

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE21B43/108
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A method of connecting a first tubular member to a second tubular member located in a wellbore, the second tubular member including an upper end portion which has a greater diameter than the diameter of the first tubular member, the method comprising: lowering the first tubular member into the wellbore until the first tubular member is located at least within the bore of the upper end portion of the second tubular member; and expanding the first tubular member until the first tubular member is sealingly connected to the second tubular member.

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