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2 086 754

(13)

C1

(51)

IPC

(21) (22)

Application

96104831/03, 1996-03-22

(22)

Actual filing date

1996-03-22

(45)

Published

1997-08-10

(72)

Inventor

Beljaev Ju.A.Tolokonskij S.I.Avakov A.R.Popov A.R.Borisov V.Ju.

(73)

Holder

Beljaev Jurij Aleksandrovich

COMPOUND FOR PREVENTING CREATION OF ASPHALTENERESINPARAFFINE DEPOSITS AND MINERAL SALTS ON HARD SURFACES Russian patent published in 1997 - IPC

Abstract RU 2086754 C1

FIELD: oil and gas production industry. SUBSTANCE: this compound can be used in treating wells, oil pipelines and bottom-hole zone of reservoir plugged with asphalteneresin and paraffinehydrate deposits. Well treating compound has following components, mas.%: non-ionic surface-active matter based on alkylethers containing 6-13 oxiethyl groups, 0.0002-0.5; sodium alkylbenzenesulfonate, 0.0005-0.75; sodium alkanesulfonate, 0.0005-1.5; anionic polyelectrolyte, mole. m 4•104-5•106, 0.0003-0.5; zinc, 0.001-0.2; aluminium, 0.0005-0.3; alkali and/or alkali-earth metal, 0.007-1.5. EFFECT: high efficiency. 1 tbl

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RU 2 086 754 C1

Authors

Beljaev Ju.A.

Tolokonskij S.I.

Avakov A.R.

Popov A.R.

Borisov V.Ju.

Dates

1997-08-10—Published

1996-03-22—Filed

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