FR2468898A1 - Procede et dispositif de detection passive de fuites dans des tuyaux enterres - Google Patents

Procede et dispositif de detection passive de fuites dans des tuyaux enterres

Info

Publication number
FR2468898A1
FR2468898A1 FR8023221A FR8023221A FR2468898A1 FR 2468898 A1 FR2468898 A1 FR 2468898A1 FR 8023221 A FR8023221 A FR 8023221A FR 8023221 A FR8023221 A FR 8023221A FR 2468898 A1 FR2468898 A1 FR 2468898A1
Authority
FR
France
Prior art keywords
detector
location
leaks
passive detection
pipe
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
FR8023221A
Other languages
English (en)
Other versions
FR2468898B1 (fr
Inventor
Thomas Nelson Claytor
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
US Department of Energy
Original Assignee
US Department of Energy
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by US Department of Energy filed Critical US Department of Energy
Publication of FR2468898A1 publication Critical patent/FR2468898A1/fr
Application granted granted Critical
Publication of FR2468898B1 publication Critical patent/FR2468898B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/24—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using infrasonic, sonic, or ultrasonic vibrations
    • G01M3/243—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using infrasonic, sonic, or ultrasonic vibrations for pipes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Examining Or Testing Airtightness (AREA)

Abstract

L'invention concerne un procédé et un dispositif de détection passive de fuites dans un tuyau enterré contenant un fluide sous pression. L'appareil de l'invention comprend un premier détecteur 20 d'ondes acoustiques disposé en contact acoustique avec le tuyau 12 au niveau d'un premier emplacement 14, un deuxieme détecteur 22 disposé en contact acoustique avec le tuyau en un deuxième emplacement 16, des moyens 30, 31, 32, 33 connectés au deuxième détecteur afin de communiquer jusqu'au premier emplacement le signal détecté par le deuxième détecteur, et un moyen 24 qui répond au signal du premier détecteur et au signal communiqué par le deuxième détecteur en mesurant la corrélation entre les signaux. Cette corrélation peut être interprétée pour indiquer la distance séparant la fuite du premier et du deuxième emplacement. L'invention s'applique plus particulièrement aux tuyaux transportant des fluides corrosifs s ou inflammables, spécialement lorsque le sol porte un revêtement solide, par exemple en ciment.
FR8023221A 1979-10-30 1980-10-30 Procede et dispositif de detection passive de fuites dans des tuyaux enterres Granted FR2468898A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/089,346 US4289019A (en) 1979-10-30 1979-10-30 Method and means of passive detection of leaks in buried pipes

Publications (2)

Publication Number Publication Date
FR2468898A1 true FR2468898A1 (fr) 1981-05-08
FR2468898B1 FR2468898B1 (fr) 1984-05-25

Family

ID=22217163

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8023221A Granted FR2468898A1 (fr) 1979-10-30 1980-10-30 Procede et dispositif de detection passive de fuites dans des tuyaux enterres

Country Status (6)

Country Link
US (1) US4289019A (fr)
JP (1) JPS5673331A (fr)
CA (1) CA1141019A (fr)
DE (1) DE3040932A1 (fr)
FR (1) FR2468898A1 (fr)
GB (1) GB2062864B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2521307A1 (fr) * 1982-02-11 1983-08-12 Krupp Gmbh Procede passif d'acquisition de donnees relatives a une cible qui est une source acoustique de preference mobile

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2521307A1 (fr) * 1982-02-11 1983-08-12 Krupp Gmbh Procede passif d'acquisition de donnees relatives a une cible qui est une source acoustique de preference mobile

Also Published As

Publication number Publication date
JPS5673331A (en) 1981-06-18
DE3040932A1 (de) 1981-05-14
US4289019A (en) 1981-09-15
FR2468898B1 (fr) 1984-05-25
GB2062864A (en) 1981-05-28
CA1141019A (fr) 1983-02-08
GB2062864B (en) 1984-02-15

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