Insert assembly for a wellhead choke valve

Details Insert assembly for a wellhead choke valve Insert assembly for a wellhead choke valve

E - Fixed Constructions

21

B

E21B 34/02 (2006.01) E21B 34/04 (2006.01) F16K 3/26 (2006.01) F16K 31/528 (2006.01)

Patent

CA 2363974

A reverse flow insert assembly is provided wherein the flow trim of the choke valve is positioned horizontally within the tubular cartridge, so that the cage bore outlet is aligned with the valve body side opening. A collar is provided to throttle the flow ports of the cage. The valve stem assembly is adapted to bias the collar along the horizontal side wall of the cage. The resulting insert assembly can be positioned in the valve body to modify the valve for fluid injection service on a sub-sea wellhead.

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