Expandable fluted liner hanger and packer system

Details Expandable fluted liner hanger and packer system Expandable fluted liner hanger and packer system

2006-01-31

2008-10-28

Dang, Hoang (Department: 3672)

Wells

Processes

Placing or shifting well part

C166S207000, C166S208000, C166S387000

Reexamination Certificate

active

07441606

ABSTRACT:
Methods and apparatus create an attachment and a seal between two tubular members in a wellbore. An expandable assembly includes a packer and liner hanger to be expanded into a surrounding tubular. The packer can be a longitudinally corrugated packer and can have a sealing element disposed on an outer surface thereof. The liner hanger can include a plurality of formations extending outward along an outer surface of the liner hanger to form interspaces for longitudinal fluid flow between the formations. In operation, an expansion tool moves axially through an inner diameter of the expandable assembly to expand the liner hanger with a fluted expander and subsequently the packer with a substantially uniform outer diameter cone.

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