The choke manifold is an arrangement of valves, pipelines and chokes designed to control the flow from the annulus of the well during a well killing operation. It must be capable of:

•     Controlling pressures by using manually operated chokes or chokes operated from a remote location.
•     Diverting flow to a burning pit, flare or mud pits.
•     Having enough back up lines should any part of the manifold fail.
•     A working pressure equal to the BOP stack.

Since, during a gas kick, excessive vibration may occur it must be well secured.

 

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