Valves and valve actuation – Blow-out preventers – Radial reciprocating ram
Patent
1985-04-04
1985-12-17
Garrett, Robert E.
Valves and valve actuation
Blow-out preventers
Radial reciprocating ram
403155, 403375, 403377, 285 91, 285305, E21B 3306
Patent
active
045588422
ABSTRACT:
A blow-out preventer for attachment with a tubular member of a well for containing well pressures within the well as needed, having a body adapted to receive a ram body mounted therein for movement between an open and closed position. The preventer further includes an actuator body member mounted with the body adjacent the ram bore and having urging means therewith for urging the ram body between such open and closed positions and alignment means with the actuator body member and the ram body for ensuring proper alignment and positioning of the ram body with respect to the ram bore and the axial bore of the tubular member. The actuator body member has fastening means that fits into connecting means in the preventer body. The two bodies are secured by securing means installed in said connection means and engaging said fastening means.
REFERENCES:
patent: 2942616 (1960-06-01), Wilde
patent: 3128116 (1964-04-01), Patriquin et al.
patent: 3560027 (1971-02-01), Graham
patent: 3692316 (1972-09-01), Bishop et al.
patent: 4109672 (1978-08-01), Szemeredi
patent: 4269075 (1981-05-01), Crist et al.
patent: 4289335 (1981-09-01), Olbermann
patent: 4416441 (1983-11-01), Van Winkle
patent: 4423892 (1984-01-01), Bartholomew
patent: 4433861 (1984-02-01), Kreczik
Foreman, Jr. Arnal B.
Peil Archie W.
Bowen Tools, Inc.
Garrett Robert E.
Meyer Richard S.
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