Deep well pumping system

E - Fixed Constructions – 21 – B

Patent

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166/27

E21B 43/18 (2006.01) F04D 15/00 (2006.01) F04D 15/02 (2006.01)

Patent

CA 1117409

IMPROVED DEEP WELL PUMPING SYSTEM (D#74,736-F) ABSTRACT OF THE DISCLOSURE A deep well pumping system. It employs a variable speed electric motor driving a centrifugal pump located down hole. There is means to control the speed of the pump drive depending upon the static head of fluid in the hole being pumped, in order to maintain the pumping rate the same as the rate of produced fluid in the hole. I

333734

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