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2 076 889

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C1

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IPC

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Application

95100495/04, 1995-01-12

(22)

Actual filing date

1995-01-12

(45)

Published

1997-04-10

(72)

Inventor

Fabrichnaja A.L.Shamraj Ju.V.Shakirzjanov R.G.Romanov N.V.Khusnullin M.G.Khlebnikov V.N.

(73)

Holder

Nauchno-Issledovatel'Skij Institut Po Neftepromyslovoj Khimii

METHOD OF PREPARING INHIBITOR OF ASPHALTENE-TAR-PARAFFIN DEPOSITS Russian patent published in 1997 - IPC

Abstract RU 2076889 C1

FIELD: oil and gas production. SUBSTANCE: monoalkyl ether of polyethylene glycol with 8-10 oxyethyl groups and primary fatty C10-C18-alcohols is mixed with the same having 3-5 oxyethyl groups and 10- 18 carbon atoms in alcohol residue. Then 2-butoxyethanol and solvent are added. Final contents of the four components combined are the following, wt. -%: 5-10, 3-5, 2-4, the balance, respectively. EFFECT: improved performance characteristics. 2 tbl

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RU 2 076 889 C1

Authors

Fabrichnaja A.L.

Shamraj Ju.V.

Shakirzjanov R.G.

Romanov N.V.

Khusnullin M.G.

Khlebnikov V.N.

Dates

1997-04-10—Published

1995-01-12—Filed

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