Controlled closing pattern packing unit for blowout preventer

Details Controlled closing pattern packing unit for blowout preventer Controlled closing pattern packing unit for blowout preventer

1975-02-25

1976-05-25

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

F16J 1512

Patent

active

039588084

ABSTRACT:
An annulus of elastomeric material in a well blowout preventer packer unit is differentially anchored about the packer axis, in order to reduce the stress levels in the elastomeric material during its inward flow toward the axis. In addition, packer inserts incorporate differently formed webs and end plates to facilitate the sought advantages.

REFERENCES:
patent: 2368332 (1945-01-01), Shaffer
patent: 3129009 (1964-04-01), Simpson
patent: 3207221 (1965-09-01), Gochran et al.
patent: 3225831 (1965-12-01), Knox
patent: 3284086 (1966-11-01), Primrose et al.

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