Well pumping apparatus

Details Well pumping apparatus Well pumping apparatus

1979-03-15

1981-12-15

Leppink, James A.

Wells

Above ground apparatus

With seal for reciprocating member

E21B 3302

Patent

active

043054617

ABSTRACT:
A pumping apparatus that may be used with a well in which a sucker rod is connected with the well so as to remain in axial alignment with the same during shifting of the well and the sucker rod is supported clear of the well and the structure for operating the same.

REFERENCES:
patent: 127025 (1872-05-01), Carll
patent: 129129 (1872-07-01), Gretter
patent: 245101 (1881-08-01), Thayer et al.
patent: 1060961 (1913-05-01), Waitz
patent: 1071360 (1913-08-01), Shiery
patent: 1173825 (1916-02-01), McNallen
patent: 1753440 (1930-04-01), Miller
patent: 2137853 (1938-11-01), Nixon

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