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2 187 701

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IPC

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Application

2001114238/06, 2001-05-23

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Start date

2001-05-23

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Actual filing date

2001-05-23

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Published

2002-08-20

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Inventor

Zaljatov M.Sh.Zakirov A.F.Mukhametshin G.G.Kurmashov A.A.Rajanov M.M.

(73)

Holder

Neftegazodobyvajushchee Upravlenie Oao

INSERT OIL-WELL SUCKER-ROD PUMP Russian patent published in 2002 - IPC

Abstract RU 2187701 C1

FIELD: oil recovery; operation of oil wells in oil-producing industry. SUBSTANCE: drive of check valve tappet is made in form of flat mechanism which consists of rocker arm whose one end is connected with tappet and other end is connected with drive weight by means of rods mounted on articulation; hole for shear member in tappet changes to longitudinal slot with base inclined towards periphery. EFFECT: possibility of replacement of pump without killing of well, thus enhancing oil producing process. 4 dwg

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RU 2 187 701 C1

Authors

Zaljatov M.Sh.

Zakirov A.F.

Mukhametshin G.G.

Kurmashov A.A.

Rajanov M.M.

Dates

2002-08-20—Published

2001-05-23—Filed

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