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2 019 555

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C1

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IPC

(21) (22)

Application

5061832/04, 1992-09-09

(22)

Actual filing date

1992-09-09

(45)

Published

1994-09-15

(72)

Inventor

Lebedev N.А.Judina Т.V.Janov А.I.Рarfinenko I.А.

(73)

Holder

Nauchno-Issledovatel'Skij Institut Po Neftepromyslovoj Khimii

COMPOSITION FOR DEHYDRATION AND DESALTING OF OIL Russian patent published in 1994 - IPC

Abstract RU 2019555 C1

FIELD: oil production. SUBSTANCE: composition has 35-45% nonionogenic deemulsifier on the basis of hydroxyethylated and hydroxypropylated propylene glycol or ethylene glycol and hydroxyethylated and hydroxypropylated alcohol of the following formulas: H(OC2H4)n(OC3H6)m-OC(R)H-CH2(OC2H4)nOH, where m=53-54; 2n = 31; R - H, CH3 and , where m1=24 = 24, n1=14 = 14, R1-CH3, -CH2CH-CH2, 30-40% deemulsifier on the basis of hydroxyethylated and hydroxypropylated ethylenediamine of the general formula: [H(OC3H6)m(OC2H4)nOC3H6]2NCH2CH2N[OC3H6(OC2H4)n(OC3H6)mH]2, where 4n = 27-28; 4m = 59-61, 10-15% oil-soluble nonionogenic surface-active substance, 0.5-5.0% mono-C2-C4-alkyl ester of ethylene- or diethylene glycol, and 10-16.5% aromatic solvent on the basis of aromatic hydrocarbons C8-C9-Nefrac A 120/200. EFFECT: enhanced quality of composition. 1 tbl

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RU 2 019 555 C1

Authors

Lebedev N.А.

Judina Т.V.

Janov А.I.

Рarfinenko I.А.

Dates

1994-09-15—Published

1992-09-09—Filed

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