Improvements in deep well pumping apparatus

Details Improvements in deep well pumping apparatus Improvements in deep well pumping apparatus

E - Fixed Constructions

21

B

E21B 43/00 (2006.01) E21B 43/12 (2006.01) F04D 13/02 (2006.01) F04D 13/10 (2006.01) F16H 1/20 (2006.01)

Patent

CA 2226120

A fluid recovery system for producing subsurface oil and water deposits comprises a high capacity pump such as a high capacity centrifugal pump (12) that is immersed within the deposit, a well casing (23) that extends into the deposit from the surface, a source of rotary motion power (14), and a power transmission system (25) that connects the power source (14) and the pump (12) in the well casing (23). The power transmission system (25) includes a step up transmission (47) and a rod string (21) which interconnects the power source (14) and the transmission (25) to deliver rotary motion to the transmission (25). The pump (12) is connected to the transmission (25) for delivery of higher speed rotary power to the pump (12).

Un système d'extraction de fluide, permettant d'exploiter des nappes souterraines de pétrole et d'eau, comprend une pompe à haute capacité, du type centrifuge (12) par exemple, qu'on immerge dans une nappe, un cuvelage (23) qui descend de la surface jusqu'à cette nappe, une source de puissance mécanique rotative (14), et un système de transmission de puissance (25) qui relie cette source de puissance (14) et la pompe (12) en traversant le cuvelage (23). Ce système de transmission de puissance (25) comporte une transmission multiplicatrice (47) et un train de tiges de pompage (21) qui relie la source de puissance (14) et la transmission (25) pour fournir un mouvement rotatif à cette dernière. La pompe (12) est reliée à la transmission (25) qui lui fournit une puissance rotative à un régime plus élevé.

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