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2 083 627

(13)

C1

(51)

IPC

(21) (22)

Application

95100511/04, 1995-01-12

(22)

Actual filing date

1995-01-12

(45)

Published

1997-07-10

(72)

Inventor

Fabrichnaja A.L.Shamraj Ju.V.Shakirzjanov R.G.Khusnullin M.G.Khlebnikov V.N.

(73)

Holder

Nauchno-Issledovatel'Skij Institut Po Neftepromyslovoj Khimii

INHIBITOR OF ASPHALTENE-TAR-PARAFFIN AND PARAFFIN-HYDRATE DEPOSITS Russian patent published in 1997 - IPC

Abstract RU 2083627 C1

FIELD: crude oil treatment. SUBSTANCE: invention refers to oils having high gas factor and producing asphaltene-tar-paraffin and paraffin-hydrate deposits. Inhibitor containing 15-25 wt % of oxyalkylated amine, 15-25 wt % of methanol and/or dimethyldioxane, and still residue from production of butyl alcohols using hydroformylation method (to balance) additionally contains 2-10% of polyethylene glycol monoalkyl ether having general formula CnH2n+1O(C2H4O)mH where n = 10-18 and m = 8-10. EFFECT: increased inhibition activity. 2 cl, 3 tbl

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RU 2 083 627 C1

Authors

Fabrichnaja A.L.

Shamraj Ju.V.

Shakirzjanov R.G.

Khusnullin M.G.

Khlebnikov V.N.

Dates

1997-07-10—Published

1995-01-12—Filed

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