Bop lock down
AssigneeAker Subsea AS
InventorKnut Møgedal
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Abstract
A well head system for application in sub sea well exploration comprising a well head (23) having a well head housing secured to a well casing, at least one valve stack, e.g. a BOP (1) located atop said well head (23). The valve stack is removably locked on a well template (15) supporting said well head by a plurality of locking devices (7). Also described is a locking device comprising two opposite clamping arms (19) hingedly attached to a main frame (21). The Main frame is slidable relative to a spindle (17) and can be selectively secured to the spindle (17).
Claims14
A well head system for application in sub sea well exploration comprising:
- a well head having a well head housing secured to a well casing;
- at least one valve stack located atop said well head;
- and
- wherein said valve stack is removably locked on a well template supporting said well head by a plurality of locking devices.
The locking device for securing a valve stack atop a well head having a well head housing secured to a well casing, wherein the locking device is adapted to releasably lock the valve stack to a well template supporting the well head.
Dependencies are inferred from the claim text.