Submersible pump

Details Submersible pump Submersible pump

1984-03-16

1985-08-27

Leppink, James A.

Wells

Processes

Producing the well

166387, 166106, 166115, E21B 4300

Patent

active

045372578

ABSTRACT:
A method and apparatus for using a submersible pump to lift reservoir fluids in a well while having the tubing/casing annulus isolated from the produced fluids. The apparatus allows the submersible pump to be positioned above the annular packoff device. The apparatus comprises an outer shield that encloses the pump and can be attached to the production tubing. The lower end of the shield attaches to a short tubing section that seals with the annular packoff device or a receptacle above the annular packoff device.

REFERENCES:
patent: 2903066 (1959-09-01), Brown
patent: 2911048 (1959-11-01), Publin, III et al.
patent: 3460626 (1969-08-01), Ehrlich
patent: 3986552 (1976-10-01), Scott
patent: 4237976 (1980-12-01), Wilson
patent: 4320800 (1982-03-01), Upchurch
patent: 4425965 (1984-01-01), Bayh, III et al.
patent: 4440221 (1984-04-01), Taylor et al.
patent: 4440231 (1984-04-01), Martin
patent: 4457367 (1984-07-01), Brandell

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