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2 308 640

(13)

(51)

IPC

F17D5/02(2006-01-01)

G01M3/04(2006-01-01)

G01M3/24(2006-01-01)

(21) (22)

Application

2006109182/06, 2006-03-23

(24)

Start date

2006-03-23

(22)

Actual filing date

2006-03-23

(45)

Published

2007-10-20

(72)

Inventor

Shikanov Evgenij AleksandrovichIl'Inskij Andrej ViktorovichTitkina Tat'Jana Anatol'EvnaShikanova Ljudmila Anatol'EvnaLobacheva Natal'Ja Grigor'Evna

(73)

Holder

Shikanov Evgenij Aleksandrovich

METHOD OF DETECTING LEAKAGE SITES IN UNDERGROUND PIPELINE Russian patent published in 2007 - IPC F17D5/02 G01M3/04 G01M3/24

Abstract RU 2308640 C1

FIELD: pipeline engineering.

SUBSTANCE: method comprises moving the sucking branch pipe along the pipeline, sampling the gas-air mixture near the surface, measuring the concentration of at least one of the components transported in the pipeline, and exciting acoustical oscillation in the ground directed toward the pipeline. The acoustical wave guide is mounted at a distance of 4(S)^1/2 where S is the area of the cross section of the sucking branch pipe.

EFFECT: expanded functional capabilities.

1 cl, 2 dwg

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RU 2 308 640 C1

Authors

Shikanov Evgenij Aleksandrovich

Il'Inskij Andrej Viktorovich

Titkina Tat'Jana Anatol'Evna

Shikanova Ljudmila Anatol'Evna

Lobacheva Natal'Ja Grigor'Evna

Dates

2007-10-20—Published

2006-03-23—Filed