Patent · US Active

Liner hanger

US9689236B2 · kind B2 · utility

0Cited by

3References

15Claims

0Family size

Inventors

Grant George · Calgary, CA
Shane Sargent · Calgary, CA
Curtis Ring · Cedar Falls, US
Matthew McCarthy · Broomfield, US

Key dates

Filing date	Dec 23, 2013
Grant date	Jun 27, 2017
Priority date	—
Expiry date	Jul 3, 2035

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21B23/01
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

An apparatus for suspending a liner within a bore comprising a central tubular member and first and second sets of radially expandable arms. Each set of arms are expandable by corresponding longitudinally movable cones spaced apart along the tubular member. The apparatus further includes a seal located between the first and second sets of radially expandable arms and a selectably longitudinally compressible sleeve located between the first and second sets of radially expandable arms.

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