Blowout preventer and method of insuring prevention of fluid leaks out of a wellhead
Patent
·
OSTI ID:5722723
A description is given of 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.
- Assignee:
- IFI; EDB-82-069270
- Patent Number(s):
- US 4192379
- OSTI ID:
- 5722723
- Country of Publication:
- United States
- Language:
- English
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