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IPC

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Application

2002129908/04, 2002-11-11

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Start date

2002-11-11

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Actual filing date

2002-11-11

(45)

Published

2004-03-10

(72)

Inventor

Prozorova I.V.Judina N.V.Loskutova Ju.V.Sirotkina E.E.Jushin V.Ja.Trushin S.S.Vorobejchikov Ju.V.Siritsa L.A.Echevskaja L.G.Zakharov V.A.

(73)

Holder

Institut Khimii Nefti So RanNauchno-Proizvodstvennaja Kommercheskaja Firma

DEPRESSANT Russian patent published in 2004 - IPC

Abstract RU 2225434 C1

FIELD: oil and gas production. SUBSTANCE: depressant suitable for lowering setting point, dynamic viscosity, and limiting shear tension of paraffin oils under transportation and storage conditions contains, as polymer, 0.01 to 1.00 wt % of polyhexene, the rest being pyrolysis tar. Depressant lowers setting point by 24 C at its concentration in oil 0.03 wt % and by 18.5 C at 0.05 wt %. EFFECT: enhanced depressant efficiency. 6 tbl, 3 ex

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RU 2 225 434 C1

Authors

Prozorova I.V.

Judina N.V.

Loskutova Ju.V.

Sirotkina E.E.

Jushin V.Ja.

Trushin S.S.

Vorobejchikov Ju.V.

Siritsa L.A.

Echevskaja L.G.

Zakharov V.A.

Dates

2004-03-10—Published

2002-11-11—Filed