Cranked rod pump apparatus and method

Details Cranked rod pump apparatus and method Cranked rod pump apparatus and method

F - Mech Eng,Light,Heat,Weapons

04

B

F04B 47/02 (2006.01)

Patent

CA 2703053

An improved apparatus and method are provided, for pumping fluids, such as water and/or hydrocarbons, from a subterranean formation or reservoir, through use of a cranked rod pumping (CRP) apparatus for imparting reciprocating substantially vertical motion to a rod of a sucker-rod pump having a pump stroke. The CRP apparatus includes a motor driven cranked mechanical actuator arrangement. The cranked mechanical actuator arrangement includes a substantially vertically moveable member attached to the rod of the sucker-rod pump for imparting and controlling vertical motion of the rod of the sucker-rod pump. The actuator arrangement may include pneumatic counterbalancing.

L'invention porte sur un procédé et un appareil perfectionnés pour pomper des fluides, tels que de l'eau et/ou des hydrocarbures, à partir d'une formation souterraine ou d'un réservoir souterrain, grâce à l'utilisation d'un appareil de pompage à tige coudée (CRP) pour communiquer un mouvement alternatif sensiblement vertical à une tige d'une pompe à tige présentant une course de pompe. L'application CRP inclut un dispositif d'actionneur mécanique coudé entraîné par un moteur. Le dispositif d'actionneur mécanique coudé inclut un élément sensiblement mobile verticalement fixé à la tige de la pompe à tige pour communiquer et commander le mouvement vertical de la tige de la pompe à tige. Le dispositif actionneur peut inclure un contrepoids pneumatique.

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