Well packer including combination anti-extrusion and segment rin

Details Well packer including combination anti-extrusion and segment rin Well packer including combination anti-extrusion and segment rin

1977-09-06

1978-08-08

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

166187, 277180, 277198, 277104, 277188A, 277193, F16L 2104, E21B 33128

Patent

active

041052153

ABSTRACT:
A packer assembly for sealing against the wall of well pipe including a washer having reverse beveled and beveled faces. The reverse beveled face is adjacent to a straight resilient packer face, and the internal gap created thereby retards vertical extrusion of the resilient packer section under pressure. The beveled face abuts a radially expanding segmented packer ring, causing the packer ring to expand against the well pipe when the packer assembly is operated, thereby limiting vertical extrusion of the resilient packer section under high pressure conditions.

REFERENCES:
patent: 2797759 (1957-07-01), Long et al.
patent: 2851291 (1958-09-01), Payne
patent: 3158378 (1964-11-01), Loomis
patent: 3195645 (1965-07-01), Loomis
patent: 3288222 (1966-11-01), Urbanosky

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