Method and apparatus for pumping wells

Details Method and apparatus for pumping wells Method and apparatus for pumping wells

1990-09-17

1993-05-04

Dang, Hoang C.

Wells

Processes

Producing the well

166 651, 166 664, 166 68, 166106, 4174233, E21B 4300

Patent

active

052072738

ABSTRACT:
A method and apparatus for producing wells in which the tubing and casing are used as electrical conduits for a centrifugal pump in the well and single phase A. C. or D. C. current is supplied to the well and converted to three phase current at the pump motor.

REFERENCES:
patent: 3672795 (1972-06-01), Arutunoff et al.
patent: 3853430 (1974-12-01), O'Rourke
patent: 4627490 (1986-12-01), Moore
patent: 4716960 (1988-01-01), Eastlund et al.
patent: 4749034 (1988-06-01), Vandevier et al.
patent: 4798247 (1989-01-01), Deaton et al.
patent: 4886114 (1989-12-01), Perkins et al.
patent: 4901070 (1990-02-01), Vandevier
patent: 4913239 (1990-04-01), Bayh, III
patent: 4928771 (1990-05-01), Vandevier

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