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2 241 858

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IPC

(21) (22)

Application

2004101269/06, 2004-01-20

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Start date

2004-01-20

(22)

Actual filing date

2004-01-20

(45)

Published

2004-12-10

(72)

Inventor

Drozdov A.N.Ageev Sh.R.Mokhov M.A.Zakharov M.Ju.Mishchenko I.T.Bondarenko V.V.Den'Gaev A.V.Druzhinin E.Ju.Verbitskij V.S.Lambin D.N.

(73)

Holder

Drozdov Aleksandr NikolaevichAgeev Sharifzhan RakhimovichMokhov Mikhail Al'BertovichZakharov Mikhail Jur'Evich

SUBMERSIBLE PUMPING SYSTEM Russian patent published in 2004 - IPC

Abstract RU 2241858 C1

FIELD: oil producing industry.

SUBSTANCE: invention can be used at production of oil with associated petroleum gas. Proposed system contains submersible electric motor with hydraulic protection, submersible pump and gas separator containing the following members arranged in tandem in housing in direction of flow running: screw, axial hole-enlargement wheel, separation drum with ribs, separated gas removal unit directing gas into annulus space and separated liquid to submersible pump intake. Angle β of trailing edge of hole-enlargement wheel is from 135^o to 145^o. In one of design of system with range of 135°≤β≤140°, number of blades of hole-enlargement wheel is from four to five, and in range of 140°<β≤145°, number of blades of hole-enlargement wheel is from three to four.

EFFECT: improved efficiency and enlarged and enlarged sphere of application of submersible pumping system owing to optimization of passage part of hole-enlargement wheel.

2 cl, 3 dwg

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RU 2 241 858 C1

Authors

Drozdov A.N.

Ageev Sh.R.

Mokhov M.A.

Zakharov M.Ju.

Mishchenko I.T.

Bondarenko V.V.

Den'Gaev A.V.

Druzhinin E.Ju.

Verbitskij V.S.

Lambin D.N.

Dates

2004-12-10—Published

2004-01-20—Filed