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2 244 733

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Application

2003128687/04, 2003-09-25

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Start date

2003-09-25

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Actual filing date

2003-09-25

(45)

Published

2005-01-20

(72)

Inventor

Basimova R.A.Galjautdinov A.A.Greshnov V.N.Zidikhanov M.R.Ishmijarov M.Kh.Rakhimov Kh.Kh.Rogov M.N.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo

CRUDE OIL DEHYDRATION AND DESALTING METHOD Russian patent published in 2005 - IPC

Abstract RU 2244733 C1

FIELD: crude oil treatment.

SUBSTANCE: to oil emulsion is added surface-active demulsifying additive containing (i) aqueous solution of surfactant based on sodium salt of oxyethylated isononylphenol carboxymethylate expressed by general formula C9H19-C6H4-O-(-CH2-CH2O)nCOONa, where n=10-12, (ii) self-emulsifying organosilicon compound, and (iii) sodium or calcium chloride salt.

EFFECT: increased demulsifying power.

1 tbl, 13 ex

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RU 2 244 733 C1

Authors

Basimova R.A.

Galjautdinov A.A.

Greshnov V.N.

Zidikhanov M.R.

Ishmijarov M.Kh.

Rakhimov Kh.Kh.

Rogov M.N.

Dates

2005-01-20—Published

2003-09-25—Filed

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