Composite carrier bar device

Details Composite carrier bar device Composite carrier bar device

1979-02-12

1981-09-01

Leppink, James A.

Wells

Above ground apparatus

Well caps or casing heads

74586, 403 31, E21B 1702

Patent

active

042866561

ABSTRACT:
A composite carrier bar for oil well pumping units that utilize sucker rod to operate bottom hole pumps, including a recessed cavity for receiving a hydraulic ram to operate as a polish rod jack and also including a secondary carrier bar for receiving a secondary polish rod clamp for use in respacing bottom hole pumps and serve as a safety clamp during operation.

REFERENCES:
patent: 2237303 (1941-04-01), Calhoun
patent: 2259019 (1941-10-01), Carr et al.
patent: 2259020 (1941-10-01), Wineman
patent: 3051237 (1962-08-01), Liles, Jr. et al.

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