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1 817 463

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A1

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IPC

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Application

4935626/03, 1991-05-14

(22)

Actual filing date

1991-05-14

(45)

Published

1995-05-27

(72)

Inventor

Rakhmatullina G.M.Shamraj Ju.V.Solodov A.V.L'Vov P.G.Shakirzjanov R.G.Volodina E.L.Mjasoedova N.V.Pokrovskij V.A.

COMPOSITION FOR PREVENTING ASPHALTENE-RESIN-PARAFFIN DEPOSITIONS Russian patent published in 1995 - IPC

Abstract SU 1817463 A1

FIELD: oil output. SUBSTANCE: proposed composition contains product of consequent addition of ethylene oxide and propylene oxide to alkylphenol (its quantity being 15-30 mass %) , aromatic solvent and monoalkyl ether of polyethylene glycol and primary fatty alcohols, or monooleate of polyethylene glycol or monostearate of polyethylene glycol (its quantity being 1-5 mass % ). EFFECT: improves efficiency of preventing of asphaltene-resin-paraffin depositions, improves technologic properties of composition. 3 tbl

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SU 1 817 463 A1

Authors

Rakhmatullina G.M.

Shamraj Ju.V.

Solodov A.V.

L'Vov P.G.

Shakirzjanov R.G.

Volodina E.L.

Mjasoedova N.V.

Pokrovskij V.A.

Dates

1995-05-27—Published

1991-05-14—Filed

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