Composite packer cup

Details Composite packer cup Composite packer cup

E - Fixed Constructions

21

B

E21B 33/126 (2006.01) E21B 33/12 (2006.01)

Patent

CA 2408309

A packer cup for use in a packer assembly is disclosed. The cup has an outer layer, an intermediate reinforcing layer of meshed metal plies and an inner layer. The intermediate layer acts as a continuous, but flexible reinforcement to allow expansion and contraction of the cup as it is forced into the wellbore and to resist extrusion of the elastomers under pressure. The cup outer layer is preferably abrasion resistant and the inner layer is preferably chemical resistant. The layers are vulcanized into a unitary cup capable of resisting outer wear and tear as a result of insertion into the wellbore and internal chemical deterioration as a result of the harsh downhole environment.

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