Well packer including anti-extrusion washer

Details Well packer including anti-extrusion washer Well packer including anti-extrusion washer

1977-07-11

1978-11-14

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

2771162, 277168, F16J 1510

Patent

active

041252675

ABSTRACT:
A packer assembly for sealing against the wall of well pipe including a reverse beveled washer face adjacent a straight resilient packer face, thereby providing an internal gap for vertical extrusion when the packer is radially expanded and, hence, retard vertical extrusion between the hard packer components and the well pipe wall.

REFERENCES:
patent: 2780294 (1957-02-01), Loomis
patent: 2934363 (1960-04-01), Knox
patent: 3038542 (1962-06-01), Loomis
patent: 3158378 (1965-11-01), Loomis
patent: 3195645 (1965-07-01), Loomis
patent: 4052112 (1977-10-01), Faber

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