PUMPING JACK Russian patent published in 1999 - IPC

Abstract RU 2132489 C1

FIELD: oil-extraction engineering; driving sucker-rod pumps. SUBSTANCE: pumping jack has additional balancing system in the form of weight joined with polished rod through flexible link thrown over pulley rotating on axle which is secured on two brackets. EFFECT: reduced load and power requirement. 1 dwg

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RU 2 132 489 C1

Authors

Urazakov K.R.

Andreev V.V.

Mel'Nikov O.I.

Kutdusov A.T.

Dates

1999-06-27—Published

1997-03-17—Filed