Low well yield control system and method

Details Low well yield control system and method Low well yield control system and method

1978-10-05

1979-11-06

Novosad, Stephen J.

Wells

Valves, closures or changeable restrictors

166 54, 415 11, 417278, 417279, 417440, 137411, E21B 4312, F01B 2500, F04B 4900

Patent

active

041732553

ABSTRACT:
A low well yield control system and method for preventing over pumping of wells and other fluid reservoirs. The control is positioned in the reservoir and includes a plurality of relief valves which are opened to replenish liquid in the reservoir from the pumped liquid in the event the liquid level is lowered relative to a float.

REFERENCES:
patent: 527346 (1894-10-01), Rayner
patent: 611967 (1898-10-01), Kelley
patent: 1817379 (1931-08-01), Kallmeyer
patent: 1891214 (1935-02-01), Hoff et al.
patent: 2061716 (1936-11-01), Pratt et al.
patent: 2214064 (1940-09-01), Niles
patent: 2257523 (1941-09-01), Combs
patent: 2271832 (1942-02-01), Shultz
patent: 3995690 (1976-12-01), Valdespino
patent: 4028011 (1977-06-01), Kramer

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