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2 140 961

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IPC

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Application

99100675/04, 1999-01-25

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Start date

1999-01-25

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Actual filing date

1999-01-25

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Published

1999-11-10

(72)

Inventor

Varnavskaja O.A.Khvatova L.K.Lebedev N.A.Khlebnikov V.N.Katkova N.B.Orlova L.N.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Institut Po Neftepromyslovoj Khimii"

METHOD OF DESTRUCTING WATER-IN-OIL EMULSIONS, PROTECTION OF OIL FIELD EQUIPMENT FROM CORROSION, AND ASPHALTENE- RESIN-PARAFFINE DEPOSITS Russian patent published in 1999 - IPC

Abstract RU 2140961 C1

FIELD: petroleum production industry. SUBSTANCE: composition for destructing water- in-oil emulsions, inhibiting corrosion of oil field equipment and preventing asphaltene-resin-paraffine deposits comprises, wt %: glycerol based ethylene oxide and propylene oxide blockcopolymer having molecular weight of 3000-6000. 20-80; product of reaction of ethylene oxide and propylene oxide based on glycerol and toluylene diisocyanate from (n+1):n to (n+3): n wherein n is number of toluylene diisocyanate moles, 5-20; and the composition is used for oil fields with high flooding level, and sewage purification problem can be solved. EFFECT: improved properties of the composition. 18 ex, 2 tbl

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RU 2 140 961 C1

Authors

Varnavskaja O.A.

Khvatova L.K.

Lebedev N.A.

Khlebnikov V.N.

Katkova N.B.

Orlova L.N.

Dates

1999-11-10—Published

1999-01-25—Filed

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