Well pumping method and apparatus

Details Well pumping method and apparatus Well pumping method and apparatus

1987-11-20

1989-05-16

Novosad, Stephen J.

Wells

Processes

Producing the well

166 664, 166 68, 166380, 166385, E21B 1922, E21B 4300

Patent

active

048301132

ABSTRACT:
A well pumping method and apparatus whereby fluids such as water or oil are pumped out of a well casing in an annular space between an electrical power cable and an associated protective metal coil tubing which surrounds the cable. To this end, the downhole end of the tubing is connected to the outlet of a submersible motor and pump assembly. In carrying out the invention, a process is practiced which includes:

REFERENCES:
patent: 2297020 (1942-09-01), Page
patent: 3285629 (1966-11-01), Cullen et al.
patent: 3835929 (1974-09-01), Suman, Jr.
patent: 4476923 (1984-10-01), Walling
patent: 4570705 (1986-02-01), Walling
patent: 4681169 (1987-07-01), Brookbank, III
patent: 4715443 (1987-12-01), Gidley

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