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2 261 886

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IPC

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Application

2004114606/04, 2004-05-13

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Start date

2004-05-13

(22)

Actual filing date

2004-05-13

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Published

2005-10-10

(72)

Inventor

Galljamov I.M.Ezhov M.B.Vakhitova A.G.Tajgin E.V.Rakhmatullin V.R.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Neftjanaja KompanijaNauchno-Proizvodstvennoe Predprijatie

COMPOSITION FOR REMOVING ASPHALT-TAR-PARAFFIN AND BACTERIAL DEPOSITS Russian patent published in 2005 - IPC

Abstract RU 2261886 C1

FIELD: oil and gas production.

SUBSTANCE: invention provides composition for removing asphalt-tar-paraffin and bacterial deposits from critical areas of formation, oil-field equipment, storage tanks, and oil-gathering manifolds in petroleum-production and petroleum processing enterprises. Composition contains 2.5-7.0% of liquid worked-out hydrocarbons obtained as waste from production of isoprene in two-stage dehydrogenation process, up to 30% of modified polyethylenepolyamones mixed with acrilonitrile, and balancing amount of solvents and surfactant composition.

EFFECT: enhanced dissolution and washing-off of bacterial and mineral deposits and acquired anticorrosion capacity.

6 tbl, 4 ex

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RU 2 261 886 C1

Authors

Galljamov I.M.

Ezhov M.B.

Vakhitova A.G.

Tajgin E.V.

Rakhmatullin V.R.

Dates

2005-10-10—Published

2004-05-13—Filed

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