Blowout preventer and method of insuring prevention of fluid lea

Details Blowout preventer and method of insuring prevention of fluid lea Blowout preventer and method of insuring prevention of fluid lea

1978-06-22

1980-03-11

Novosad, Stephen J.

Wells

Processes

With indicating, testing, measuring or locating

166 88, 166 90, 251 1A, 251 1B, 285 10, E21B 3306

Patent

active

041923790

ABSTRACT:
A method of and apparatus for preventing fluid leaks out of a well which involves installing a blowout preventer at a wellhead, the preventer has a body with a bore communicating with a bore hole and a clamping means for controlling the passage of fluid through the bore. Means are provided for directing sealant into the bore beneath the clamping means so that when an occurrence of a blowout is sensed, the clamping means are closed to inhibit flow of fluid up the bore and a sealant is injected through the directing means into the bore so that the sealant is carried to the closed clamping means which forms a seal to insure that fluid does not leak past the closed clamping means.

REFERENCES:
patent: 2079922 (1937-05-01), Owen
patent: 2177164 (1939-10-01), Baash
patent: 2552901 (1951-05-01), Miller
patent: 3272222 (1966-09-01), Allen
patent: 3277964 (1966-10-01), Houpeurt et al.
patent: 3521856 (1970-07-01), Smith
patent: 3926256 (1975-12-01), McCall
patent: 4071085 (1978-01-01), Grable et al.

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