Title:
QUICK RELEASE BLOWOUT PREVENTER BONNET
Document Type and Number:
WIPO Patent Application WO2002090709
Kind Code:
A3
Abstract:
A bonnet lock mechanism for a blowout preventer (10) that includes a radial lock (32). A radial lock displacement device (34) is coupled to at least one lock actuator (38). The radial lock displacement device (34) is adapted to radially displace the radial lock (32) to lock a bonnet (30) to a body (12) of the blowout preventer (10).
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Inventors:
BERCKENHOFF MICHAEL WAYNE
HEMPHILL EDWARD RYAN
HEMPHILL EDWARD RYAN
Application Number:
PCT/US2002/014146
Publication Date:
December 12, 2002
Filing Date:
May 03, 2002
Export Citation:
Assignee:
HYDRIL CO (US)
International Classes:
E21B33/06; (IPC1-7): E21B33/06
Foreign References:
| US5575452A | 1996-11-19 | |||
| US5165704A | 1992-11-24 | |||
| US3744749A | 1973-07-10 |
Other References:
See also references of EP 1386055A4
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