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Application

97101936/04, 1997-02-07

(22)

Actual filing date

1997-02-07

(45)

Published

1999-01-10

(72)

Inventor

Shamraj Ju.V.Shakirzjanov R.G.Lisitsyna M.N.Khlebnikov V.N.Sadriev Z.Kh.

(73)

Holder

Nauchno-Issledovatel'Skij Institut Po Neftepromyslovoj KhimiiTovarishchestvo S Ogranichennoj Otvetstvennost'Ju Tsentra

COMPOSITION FOR BREAKING WATER-OIL EMULSIONS INHIBITING ASPHALTENE- TAR-PARAFFIN DEPOSITS Russian patent published in 1999 - IPC

Abstract RU 2124552 C1

FIELD: oil and gas production. SUBSTANCE: demulsifying composition may be utilized in oil collection and transport system for pipeline demulsification of oil emulsions and also in oil treatment system for dehydrating and desalting oil while simultaneously inhibiting asphaltene-tar-paraffin deposits. Composition contains 15 to 35% of product of hydroxyalkylation of compound with active hydrogen atom, 5 to 15% of methyldiethylalkoxyammonium methyl sulfate or bis(alkylpolyoxyethylene)phospatoxyphos, and organic solvent. EFFECT: increased demulsifying activity. 4 tbl

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RU 2 124 552 C1

Authors

Shamraj Ju.V.

Shakirzjanov R.G.

Lisitsyna M.N.

Khlebnikov V.N.

Sadriev Z.Kh.

Dates

1999-01-10—Published

1997-02-07—Filed

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