Gas operated automatic, liquid pumping system for wells

Details Gas operated automatic, liquid pumping system for wells Gas operated automatic, liquid pumping system for wells

E - Fixed Constructions

21

B

E21B 34/06 (2006.01) E21B 33/126 (2006.01) E21B 34/08 (2006.01) E21B 43/00 (2006.01) E21B 43/12 (2006.01) F04B 7/02 (2006.01) F04B 47/12 (2006.01) F04B 53/10 (2006.01)

Patent

CA 2480228

An improved, unattended, liquid pumping device (10) for oil and gas wells featuring a bellows (35) controlled flow valve (20) that opens and closes at preset pressures. Additionally a well head receiver (60) design that releases shut in production gas below the pumping device (10) and provides a positive pressure differential across the pumping device (10) prior to valve (20) opening.

L'invention concerne un dispositif de pompage de liquide automatique amélioré pour puits de pétrole et de gaz, équipé d'une vanne de réglage commandée par soufflet destinée à s'ouvrir et à se fermer à des pressions préétablies. L'invention concerne, de plus, une configuration de réception de tête de puits libérant le potentiel de production inutilisé en dessous du dispositif de pompage et générant une différence de pression positive dans le dispositif de pompage avant l'ouverture de la vanne.

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