Adjustable venturi valve

Details Adjustable venturi valve Adjustable venturi valve

E - Fixed Constructions

21

B

E21B 34/06 (2006.01) E21B 34/08 (2006.01) E21B 43/18 (2006.01) F16K 17/04 (2006.01) F16K 31/12 (2006.01)

Patent

CA 2744835

A gas-handling valve for use in the application where adjustable maximum critical flow rate is required. The valve is a venturi valve and has an annular flow path formed between a housing and a plug. The plug and housing are movable relative to each other to form at least two different throat dimensions in the valve. In one aspect, the throat diversion of the valve is self adjusting. In another aspect, the valve is usable in a gas lift or steam injection well.

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