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(19)

(11)

2 525 060

(13)

(51)

IPC

F04B47/06(2006-01-01)

(21) (22)

Application

2013100335/06, 2013-01-09

(24)

Start date

2013-01-09

(22)

Actual filing date

2013-01-09

(45)

Published

2014-08-10

(72)

Inventor

Bychkov Nikolaj AleksandrovichMosin Aleksandr ViktorovichKrasnov Vitalij AlekseevichPolezhaev Roman Mikhajlovich

(73)

Holder

Zakrytoe Aktsionernoe Obshchestvo

DOWNHOLE PUMP Russian patent published in 2014 - IPC F04B47/06

Abstract RU 2525060 C1

FIELD: oil-and-gas industry.

SUBSTANCE: proposed pump comprises plunger and cylinder equipped with ball valves. Plunger rod can be coupled with downhole motor located under the pump. Plunger ball valve is a suction valve opposed to cylinder ball valve. Cylinder ball valve is a delivery valve.

EFFECT: higher efficiency and reliability.

1 dwg

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RU 2 525 060 C1

Authors

Bychkov Nikolaj Aleksandrovich

Mosin Aleksandr Viktorovich

Krasnov Vitalij Alekseevich

Polezhaev Roman Mikhajlovich

Dates

2014-08-10—Published

2013-01-09—Filed