Invention Grant
- Patent Title: Blowout preventer shut-in assembly of last resort
- Patent Title (中): 最后手段防喷器封闭装配
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Application No.: US13293346Application Date: 2011-11-10
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Publication No.: US09033049B2Publication Date: 2015-05-19
- Inventor: Johnnie E. Kotrla , Ross Stevenson , Johnny Everett Jurena , Paul Toudouze
- Applicant: Johnnie E. Kotrla , Ross Stevenson , Johnny Everett Jurena , Paul Toudouze
- Agency: Chamberlain Hrdlicka
- Main IPC: E21B7/12
- IPC: E21B7/12 ; E21B33/064 ; E21B33/035 ; E21B41/00
Abstract:
A system for drilling and/or producing a subsea wellbore comprises a primary BOP comprising a primary ram BOP. In addition, the system comprises a secondary BOP releasably connected to the primary BOP, the secondary BOP comprising a secondary ram BOP. The primary rain BOP is actuatable by a first control signal. The secondary ram BOP is actuatable by a second control signal. The secondary rain BOP is not actuatable by the first control signal.
Public/Granted literature
- US20130118755A1 Blowout Preventer Shut-In Assembly of Last Resort Public/Granted day:2013-05-16
Information query
