High temperature packer element for well bores

Details High temperature packer element for well bores High temperature packer element for well bores

E - Fixed Constructions

21

B

166/43

E21B 23/06 (2006.01) E21B 33/12 (2006.01)

Patent

CA 1151536

ABSTRACT This invention relates to packer element design for use in high temperature well bores. Packing material of asbestos fibers impregnated with a thermoplastic and inter- woven with Inconel wire is employed in a center packer ring of triangular cross-section disposed between two facing series of frusto-conically shaped packer rings, which are backed by expandable metal packer shoes.

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