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2 277 669

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(51)

IPC

F16L58/00(2006-01-01)

(21) (22)

Application

2004128732/06, 2004-09-29

(24)

Start date

2004-09-29

(22)

Actual filing date

2004-09-29

(45)

Published

2006-06-10

(72)

Inventor

Volkov Aleksandr AlekseevichTeplinskij Jurij Anatol'EvichKonakova Marina Anatol'EvnaMamaev Nikolaj IvanovichBurdinskij Ehrnest Vladimirovich

(73)

Holder

Obshchestvo S Ogranichennoj Otvetstvennost'Ju Institut Prirodnykh Gazov I Gazovykh Tekhnologij Vniigaz"

METHOD OF DETECTING SECTIONS OF GAS PIPELINE PREDISPOSED TO STRESS-CORROSION CRACKING Russian patent published in 2006 - IPC F16L58/00

Abstract RU 2277669 C1

FIELD: pipeline transport.

SUBSTANCE: method comprises detecting the stress-corrosion cracked sections of gas pipeline, determining ions H⁺, Na⁺, Ca²⁺+Mg²⁺ or Ca²⁺, Cl^-, SO^2- ₄ by means of potentiometer, and judging the presence of the damaged section by the total mineralization.

EFFECT: enhanced reliability.

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RU 2 277 669 C1

Authors

Volkov Aleksandr Alekseevich

Teplinskij Jurij Anatol'Evich

Konakova Marina Anatol'Evna

Mamaev Nikolaj Ivanovich

Burdinskij Ehrnest Vladimirovich

Dates

2006-06-10—Published

2004-09-29—Filed