Oil well pump drive

Details Oil well pump drive Oil well pump drive

1983-12-30

1985-01-15

Look, Edward K.

Pumps

Condition responsive control of pump drive motor

With control of pump drive transmission

192 18A, 192 51, 192 489, 192 8714, 417 45, 417223, 417319, F04B 4900

Patent

active

044936133

ABSTRACT:
An oil pump assembly having an adjustable production rate and capable of long stroke, low stroke per minute pumping rates, comprising a reciprocating pumping rod in a well hole, a counterbalancing mechanism for reducing the power needed to pump oil by the pumping rod, a driving mechanism to drive the reciprocating pumping rod and the counterbalancing mechanism, including a first cable and a second cable, to drive the reciprocating pumping rod and the counterbalancing mechanism, respectively, a speed control for the driving mechanism, and a dwell mechanism for the driving mechanism.

REFERENCES:
patent: 2582564 (1952-01-01), Schneck et al.
patent: 3550735 (1970-12-01), Olsen
patent: 3696898 (1972-10-01), Sommer
patent: 3741360 (1973-06-01), Patton
patent: 3807902 (1974-04-01), Grable et al.
patent: 4145161 (1979-03-01), Skinner

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