Improved cup packer

Details Improved cup packer Improved cup packer

E - Fixed Constructions

21

B

E21B 33/12 (2006.01) E21B 33/124 (2006.01) E21B 43/12 (2006.01)

Patent

CA 2379297

An improved cup packer for use on wellbore tools is disclosed. The open end of the cup packer bore is filled with an elastomer to prevent the intrusion of sand and debris into the space between the cup packer and the wellbore tool on which it is mounted. In an alternative embodiment of the invention, the packer body includes an angularly protruding section at at least one of its ends, wherein the longitudinal dimension of the packer body is at its maximum at its bore. In an additional alternative embodiment of the invention, the open end of the packer is sealed by a screen to prevent the intrusion of sand and debris into the space between the cup packer and the wellbore tool on which it is mounted.

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