Ram-type blowout preventer and packer therefor

Details Ram-type blowout preventer and packer therefor Ram-type blowout preventer and packer therefor

1983-09-01

1985-05-21

Scott, Samuel

Valves and valve actuation

Blow-out preventers

277188A, E21B 3306

Patent

active

045181446

ABSTRACT:
An improved ram-type blowout preventer having a housing with a vertical bore and opposed, aligned ram guideways, a ram in each guideway, means for moving the rams inwardly and outwardly in the guideways, each ram having an improved ram front packer with a packing and means for directing the flow of the packing into a restricted opening at the face of the packer.

REFERENCES:
patent: 2194258 (1940-03-01), Allen
patent: 4044988 (1977-08-01), Arzumanov et al.
patent: 4089534 (1978-05-01), Litherland
patent: 4256314 (1981-03-01), Berglund et al.
patent: 4310139 (1982-01-01), Williams et al.
patent: 4456215 (1984-06-01), Bishop et al.

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