Determination of well pumping system downtime

Details Determination of well pumping system downtime Determination of well pumping system downtime

1990-09-21

1991-11-12

Bertsch, Richard A.

Pumps

Condition responsive control of pump drive motor

Having timer or delay means

417 18, 417 44, 417 53, 417 43, F04B 4700

Patent

active

050643487

ABSTRACT:
In a liquid well pumping system which is provided with a downtime between pumpoff cycles, the method of determining the maximum downtime includes running a plurality of tests to determine the relationship between runtime and downtime and determining when the relationship becomes non-linear for at least two consecutive tests. The downtime is selected adjacent the last linear relationship between runtime and downtime for providing a downtime which allows adequate fluid buildup in the well, but not so long a period as to loose well production.

REFERENCES:
patent: 3559731 (1971-02-01), Stafford
patent: 3854846 (1974-12-01), Douglas
patent: 4286925 (1981-09-01), Standish
patent: 4507055 (1985-03-01), Fair et al.

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