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2 165 010

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C1

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IPC

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Application

99117694/03, 1999-08-16

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Start date

1999-08-16

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Actual filing date

1999-08-16

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Published

2001-04-10

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Inventor

Zaljatov M.Sh.Ibragimov N.G.Fadeev V.G.Kurmashov A.A.Rajanov M.M.Latfullin R.R.

(73)

Holder

Ngdu Oao

WELL SUCKER-ROD PUMP Russian patent published in 2001 - IPC

Abstract RU 2165010 C1

FIELD: oil production. SUBSTANCE: well sucker- rod pump includes cylinder housing plunger with pressure valve mounted for reciprocating motion. Lengthening nipple is installed in lower end of cylinder. Its valve is located on one side, out of operational zone of plunger. Lengthened nipple is fitted with plug put into lower butt part. Upper part of cylinder has hole communicating with pipe clearance. It is located at distance from rest of plunger larger than length of plunger. EFFECT: simplified attendance and increased productivity of well sucker-rod pump. 1 dwg

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RU 2 165 010 C1

Authors

Zaljatov M.Sh.

Ibragimov N.G.

Fadeev V.G.

Kurmashov A.A.

Rajanov M.M.

Latfullin R.R.

Dates

2001-04-10—Published

1999-08-16—Filed

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