OIL WELL PUMPING UNIT Russian patent published in 1996 - IPC

Abstract RU 2056540 C1

FIELD: oil producing industry. SUBSTANCE: oil well pumping unit has suction surge chamber for damping pressure surges in tubings installed in tubing space. Check valve with throttling channel is intalled in lower portion of suction surge chamber. Liquid flow turbilizer is installed in lower portion of suction surge chamber above check valve. EFFECT: enhanced operation reliability. 3 dwg

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RU 2 056 540 C1

Authors

Urazakov K.R.

Zhulaev V.P.

Mangushev K.Kh.

Rogachev M.K.

Dates

1996-03-20—Published

1993-08-31—Filed