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2 100 647

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Application

95112407/06, 1995-07-19

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Actual filing date

1995-07-19

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Published

1997-12-27

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Inventor

Kalachev I.F.Galeev R.G.Takhautdinov Sh.F.Zherebtsov E.P.Zagirov M.M.Andreev I.I.Ponomarev A.K.Sitnikov A.N.

(73)

Holder

Nauchno-Proizvodstvennyj Otdel Zashchity Neftepromyslovogo Oborudovanija Ot Korrozii I Podderzhanija Plastovogo Davlenija Nauchno-Proizvodstvennogo Ob"Edinenija I Ppd"

METHOD OF STABILIZATION OF OUTPUT PARAMETERS OF HYDROPISTON PUMPING UNIT Russian patent published in 1997 - IPC

Abstract RU 2100647 C1

FIELD: oil producing industry; pumping of different compound mixture into oil bed; pumping units in which high stability output parameters are required. SUBSTANCE: method comes to parallel operation of at least two hydraulic cylinders at constant pressure in drive chambers. Summary delivery of drive liquid into drive chambers in process of operation is maintained constant. EFFECT: enlarged operating capabilities. 1 dwg

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RU 2 100 647 C1

Authors

Kalachev I.F.

Galeev R.G.

Takhautdinov Sh.F.

Zherebtsov E.P.

Zagirov M.M.

Andreev I.I.

Ponomarev A.K.

Sitnikov A.N.

Dates

1997-12-27—Published

1995-07-19—Filed

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