Rotating blowout preventer

Details Rotating blowout preventer Rotating blowout preventer

1980-05-01

1982-01-26

Novosad, Stephen J.

Wells

Above ground apparatus

With seal for reciprocating member

64 235, 166 88, 175214, 277 31, E21B 3306

Patent

active

043124046

ABSTRACT:
Improved rotating blowout preventer including a stationary housing, a bearing housing and a bearing means assembly and seal assembly for mounting an internally located, rotating sleeve for rotating, sealable movement within the bearing housing. The bearing housing and rotatable sleeve cooperate to provide a circumferential passageway and radial ports to direct outwardly of the bearing housing any fluid which leaks past the seal assembly. The structure of the seal and bearing mountings provide for replacement of the seal without contaminating the bearing.

REFERENCES:
patent: 2165410 (1939-07-01), Penick et al.
patent: 2303090 (1942-11-01), Pranger et al.
patent: 3128614 (1964-04-01), Auer
patent: 3400938 (1968-09-01), Williams
patent: 3868832 (1975-03-01), Biffle
patent: 4157186 (1979-06-01), Murray et al.
patent: 4208056 (1980-06-01), Biffle
Washington Rotating Control Heads, Inc., Brochure, Jun. 16, 1978, Washington, Pa., 2 pages.

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