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Choke Failure/Collapse

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ukd

Chemical
Jun 15, 2006
20
NO
Hei,

For well flowlines,if choke collapses there will be an overpressure downstream the choke.I would like to know how many choke failure we have to consider at a time (may be one/two) and which standard refers regarding choke collapse requirement.

Appreciate your respose.

Regards,
UKD
 
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only one. But, you need a back up for that one. We usually install a choke and a monitor (a second choke) if the well can supply more pressure than the downstream can with stand.

the monitor doesn't have to be a choke (a globe valve) it can be a fail close valve like a gate or ball valve with it's own control loop.
 
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