Packer-anchoring device

Details Packer-anchoring device Packer-anchoring device

2011-01-25

2011-01-25

Dang, Hoang (Department: 3672)

Wells

Packers or plugs

With expanding anchor

C166S179000

Reexamination Certificate

active

07874354

ABSTRACT:
A packer-anchoring device between an annular packer and a body, wherein the annular packer is provided, at least at one of its end portions, with an expandable end ring.

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Canadian Office Action issued Aug. 13, 2009, for Canadian Patent Application Serial. No. 2,606,771, 2 pages.
Chinese Office Action issued Jun. 13, 2010, for Chinese Patent Application Serial No. 200680016020.1, 5 pages.

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