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2 082 019

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(51)

IPC

(21) (22)

Application

94000611/06, 1994-01-10

(22)

Actual filing date

1994-01-10

(45)

Published

1997-06-20

(72)

Inventor

Syntin Evgenij PetrovichKhrolikov Valentin AlekseevichShvydkij Pavel Vladimirovich

(73)

Holder

Syntin Evgenij PetrovichKhrolikov Valentin AlekseevichShvydkij Pavel Vladimirovich

SUCKER-ROD OIL PUMPING UNIT Russian patent published in 1997 - IPC

Abstract RU 2082019 C1

FIELD: gas and oil producing industry. SUBSTANCE: pumping unit contains sucker-rod pump 2 connected with string 1, whose hollow plunger 3 fitted with delivery valve 4 is movable mounted in cylinder 5. Upper end of plunger 3 is connected with string 6 and lower end is connected with sealing device 8 and weight 7. EFFECT: enhanced reliability. 3 cl, 3 dwg

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RU 2 082 019 C1

Authors

Syntin Evgenij Petrovich

Khrolikov Valentin Alekseevich

Shvydkij Pavel Vladimirovich

Dates

1997-06-20—Published

1994-01-10—Filed