Sidepocket mandrel for orienting a gas lift valve

Details Sidepocket mandrel for orienting a gas lift valve Sidepocket mandrel for orienting a gas lift valve

E - Fixed Constructions

21

B

E21B 23/00 (2006.01) E21B 23/03 (2006.01) E21B 34/06 (2006.01) E21B 43/12 (2006.01) E21B 47/024 (2006.01)

Patent

CA 2320195

The present invention is an apparatus for orienting a gas lift valve in a first pocket in a mandrel relative to a valve actuator in a second pocket in the mandrel, the first and second pockets being substantially parallel to one another, comprising: a first guide rail and a second guide rail, the first and second guide rails being on an inner surface of the mandrel and spaced apart in substantially parallel relationship to define a longitudinal groove therebetween; the gas lift valve having an orienting key and a first reference point, the orienting key and the first reference point being longitudinally aligned; the valve actuator having a second reference point; and, the first and second reference points being longitudinally aligned when the orienting key is disposed within the longitudinal groove between the guide rails.

La présente invention porte sur un appareil destiné à orienter une soupape de gas-lift dans une première poche de mandrin par rapport à un actionneur de soupape d'une seconde poche de mandrin, les première et seconde poches étant pratiquement parallèles. Cet appareil comprend: un premier rail de guidage et un second rail de guidage placés sur une surface intérieure du mandrin et espacés de manière parallèle de façon à former entre eux une gorge longitudinale. La soupape de gas-lift possède une clé d'orientation et un premier point de référence qui sont alignés longitudinalement. L'actionneur de soupape possède un second point de référence, et les premier et second points de référence sont alignés longitudinalement lorsque la clé d'orientation est placée dans la gorge longitudinale entre les rails de guidage.

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