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(19)

(11)

2 291 282

(13)

(51)

IPC

E21B37/00(2006-01-01)

E21B36/04(2006-01-01)

(21) (22)

Application

2005100911/03, 2005-01-17

(24)

Start date

2005-01-17

(22)

Actual filing date

2005-01-17

(45)

Published

2007-01-10

(72)

Inventor

Babushkin Vladimir AlekseevichGusev Vladimir VladimirovichKojmov Evgenij Anatol'EvichMokrushin Andrej Alekseevich

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Nauchno-Proizvodstvennoe Ob"Edinenie

DEVICE FOR CLEANING INTERNAL SURFACE OF WELL PIPES Russian patent published in 2007 - IPC E21B37/00 E21B36/04

Abstract RU 2291282 C2

FIELD: oil and gas industry, possible use for cleaning internal surface of tubing pipes from asphalt-resin, paraffin and hydrate sedimentations.

SUBSTANCE: device contains body, adapter and device head. In the body, central through channel is made and a circular hollow coaxially thereto. Electric heaters are mounted in circular hollow. Adapter is connected to body with creation of route for connection of central channel to the well. central through channel is thermo-isolated.

EFFECT: increased cleaning efficiency.

2 cl, 1 dwg

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RU 2 291 282 C2

Authors

Babushkin Vladimir Alekseevich

Gusev Vladimir Vladimirovich

Kojmov Evgenij Anatol'Evich

Mokrushin Andrej Alekseevich

Dates

2007-01-10—Published

2005-01-17—Filed