Well pumping system with linear induction motor device

Details Well pumping system with linear induction motor device Well pumping system with linear induction motor device

1992-06-11

1995-04-25

Gluck, Richard E.

Pumps

Motor driven

Electric or magnetic motor

74110, F16H 2144, F04B 1704

Patent

active

054093562

ABSTRACT:
Fluid wells, particularly oil wells, exert heavy shock loads on the string of sucker rods extending down to the fluid pump located adjacent to the producing formation. A conventional rocker arm must lift the sucker rods the column of oil in the casing plus the weight of the fluid pump, overcome the inertial load and then come to a stop before reversing the stroke. The employment of linear induction motors to reciprocate the oil well rocker arm and then operate as a generator on the reverse stroke reduces the shock loading and the returns the generated electrical energy to the well pumping system. The instant invention greatly reduces the maintenance costs of a conventional oil well and provides greater efficiency of the well pumping system.

REFERENCES:
patent: 2702655 (1955-02-01), Lopata
patent: 3175513 (1965-03-01), Dulaney
patent: 4092554 (1978-05-01), Quinn
patent: 4418609 (1983-12-01), Wickline et al.
patent: 4461187 (1984-07-01), Stanton
patent: 4731569 (1988-03-01), Bohn
patent: 4913677 (1990-06-01), Heidelberg
patent: 4997346 (1991-03-01), Bohon

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