E - Fixed Constructions – 21 – B
Patent
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 2578501
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.
Il s'agit d'une soupape à gaz applicable au réglage d'un débit critique maximal. Cette soupape est une soupape Venturi et elle présente une voie de passage annulaire formée entre un boîtier et un bouchon. Ces éléments sont réciproquement mobiles pour former au moins deux dimensions différentes de gorges dans la soupape. Dans un aspect, la dérivation des gorges de la soupape est autoréglable. Dans un autre aspect, la soupape est utilisable dans un puits à poussée de gaz ou ;a injection de vapeur.
Deeth Williams Wall Llp
Weatherford/lamb Inc.
LandOfFree
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