Down-well pump device

Details Down-well pump device Down-well pump device

1985-05-28

1987-01-13

Croyle, Carlton R.

Pumps

Diverse pumps

Priming and venting

417320, 417362, 415 5, 415 6, F04B 2308

Patent

active

046361456

ABSTRACT:
A pump is positioned in the oil producing zone of a well to pump fluid therefrom and is driven by an oil accumulating chain used to recover oil from the well in conjunction with associated secondary drive means.

REFERENCES:
patent: 1389428 (1921-08-01), Gartling
patent: 1438225 (1922-12-01), DeVille
patent: 1444180 (1923-02-01), Gartling
patent: 1951919 (1934-03-01), Arutunoff
patent: 3485181 (1969-12-01), Hahs
patent: 3774685 (1973-11-01), Rhodes
patent: 4529363 (1985-07-01), Suzuki

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