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2 288 788

(13)

(51)

IPC

B08B9/32(2006-01-01)

B08B5/02(2006-01-01)

(21) (22)

Application

2004138190/12, 2004-12-27

(24)

Start date

2004-12-27

(22)

Actual filing date

2004-12-27

(45)

Published

2006-12-10

(72)

Inventor

Zvegintsev Valerij IvanovichNovikov Aleksandr VladimirovichChirkashenko Vladimir Fedorovich

(73)

Holder

Zvegintsev Valerij IvanovichNovikov Aleksandr VladimirovichChirkashenko Vladimir Fedorovich

METHOD OF CLEANING INNER SURFACES OF OIL AND GAS PIPES FROM ASPHALTENE-RESIN-PARAFFIN DEPOSITS Russian patent published in 2006 - IPC B08B9/32 B08B5/02

Abstract RU 2288788 C2

FIELD: cleaning of oil and gas pipes from asphaltene-resin-paraffin deposits; oil-producing and chemical industries.

SUBSTANCE: proposed method includes pulse action of air flow of deposits moving along pipe. Air flow is formed by pneumatic pulse generator connected to one end of pipe. Air flow is generated at velocity head of from 0.05 to 0.25 Mpa in form of pulse at duration not exceeding 0.1 s.

EFFECT: enhanced efficiency of cleaning; increased productivity.

2 cl, 2 dwg

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RU 2 288 788 C2

Authors

Zvegintsev Valerij Ivanovich

Novikov Aleksandr Vladimirovich

Chirkashenko Vladimir Fedorovich

Dates

2006-12-10—Published

2004-12-27—Filed