Slotted housing having multiple seats for supporting and locatin

Details Slotted housing having multiple seats for supporting and locatin Slotted housing having multiple seats for supporting and locatin

1986-09-22

1987-07-28

Novosad, Stephen J.

Wells

Processes

Producing the well

166 685, 137565, 417361, E21B 4312

Patent

active

046826556

ABSTRACT:
A well pumping system operative selectively to pump fluids (1) through the production tube and the annular space between the production tube and the well casing simultaneously (2) through the production tube solely or (3) through the annular space solely, without having to pull the rod string and/or the tube string.

REFERENCES:
patent: 3209834 (1965-10-01), Essary
patent: 4014630 (1977-03-01), Drutchas
patent: 4237976 (1980-12-01), Wilson
patent: 4532986 (1985-08-01), Mims et al.
patent: 4565245 (1986-01-01), Mims et al.

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