Energized thermoplastic sealing element and method of use

Wells – Packers or plugs – With expanding anchor

Reexamination Certificate

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Details

C166S196000, C277S342000

Reexamination Certificate

active

07360590

ABSTRACT:
A packer element for use in forming a fluid pressure barrier within a wellbore. The packer element uses a thermoplastic component to accomplish the seal against the interior diameter of a surrounding tubular and an energizing component that is preferably formed of elastomeric material. The thermoplastic component of the packer element provides a sealing surface and defines an energizing chamber within. An energizing chamber is defined within the thermoplastic component and contains energizing elements that, when axially compressed, will urge the sealing surface of the thermoplastic component into sealing engagement with the surrounding tubular.

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