FR2383828A1 - UNDERWATER BOAT FOR ACOUSTICAL INSPECTION OF PIPELINES FOR LEAK DETECTION - Google Patents

UNDERWATER BOAT FOR ACOUSTICAL INSPECTION OF PIPELINES FOR LEAK DETECTION

Info

Publication number
FR2383828A1
FR2383828A1 FR7807136A FR7807136A FR2383828A1 FR 2383828 A1 FR2383828 A1 FR 2383828A1 FR 7807136 A FR7807136 A FR 7807136A FR 7807136 A FR7807136 A FR 7807136A FR 2383828 A1 FR2383828 A1 FR 2383828A1
Authority
FR
France
Prior art keywords
pipelines
boat
leak detection
inspection
underwater boat
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
FR7807136A
Other languages
French (fr)
Other versions
FR2383828B1 (en
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.)
Shell Internationale Research Maatschappij BV
Original Assignee
Shell Internationale Research Maatschappij BV
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 Shell Internationale Research Maatschappij BV filed Critical Shell Internationale Research Maatschappij BV
Publication of FR2383828A1 publication Critical patent/FR2383828A1/en
Application granted granted Critical
Publication of FR2383828B1 publication Critical patent/FR2383828B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/80—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using ultrasonic, sonic or infrasonic waves
    • G01S3/801—Details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
    • B63C11/00—Equipment for dwelling or working underwater; Means for searching for underwater objects
    • B63C11/34—Diving chambers with mechanical link, e.g. cable, to a base
    • B63C11/36—Diving chambers with mechanical link, e.g. cable, to a base of closed type
    • B63C11/40—Diving chambers with mechanical link, e.g. cable, to a base of closed type adapted to specific work
    • 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

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)

Abstract

L'invention concerne un bateau sous-marin équipé pour l'inspection des pipelines en vue de la détection des fuites éventuelles par des moyens acoustiques. Le bateau 1 est muni d'au moins deux hydrophones directionnels 4, 5 qui sont acoustiquement accessibles de l'extérieur et qui sont orientés en direction du pipeline 2 à partir de divers emplacements du bateau. Application à l'inspection des pipelines.The invention relates to an underwater boat equipped for inspecting pipelines with a view to detecting possible leaks by acoustic means. The boat 1 is provided with at least two directional hydrophones 4, 5 which are acoustically accessible from the outside and which are oriented towards the pipeline 2 from various locations on the boat. Application to the inspection of pipelines.

FR7807136A 1977-03-15 1978-03-13 UNDERWATER BOAT FOR ACOUSTICAL INSPECTION OF PIPELINES FOR LEAK DETECTION Granted FR2383828A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7702753A NL7702753A (en) 1977-03-15 1977-03-15 UNDERWATER VEHICLE FOR ACOUSTIC INSPECTION OF PIPELINES FOR LEAKS.

Publications (2)

Publication Number Publication Date
FR2383828A1 true FR2383828A1 (en) 1978-10-13
FR2383828B1 FR2383828B1 (en) 1981-01-09

Family

ID=19828167

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7807136A Granted FR2383828A1 (en) 1977-03-15 1978-03-13 UNDERWATER BOAT FOR ACOUSTICAL INSPECTION OF PIPELINES FOR LEAK DETECTION

Country Status (8)

Country Link
JP (1) JPS53114181A (en)
AU (1) AU514412B2 (en)
CA (1) CA1120788A (en)
FR (1) FR2383828A1 (en)
GB (1) GB1552589A (en)
IT (1) IT1107116B (en)
NL (1) NL7702753A (en)
NO (1) NO780868L (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0009856A1 (en) * 1978-05-12 1980-04-16 International Submarine Services S.A. Underwater apparatus for inspecting a submerged object
FR2489966A1 (en) * 1980-09-10 1982-03-12 Plessey Overseas SONAR WITH CONSTANT THICK REFLECTOR

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5810623A (en) * 1981-07-14 1983-01-21 Toshiba Corp Water leakage detector
JPS60105931A (en) * 1983-11-14 1985-06-11 Tokyo Gas Co Ltd Leakage detecting apparatus for gas piping and gas appliance
GB2521681B (en) * 2013-12-31 2017-08-16 Sonardyne Int Ltd Underwater leak detection apparatus, underwater leak detection system and method of detecting an underwater leak of a fluid
EP3271551B1 (en) 2015-03-20 2020-02-19 Halliburton Energy Services, Inc. Leak detection via doppler shift differences in moving hydrophones

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0009856A1 (en) * 1978-05-12 1980-04-16 International Submarine Services S.A. Underwater apparatus for inspecting a submerged object
FR2489966A1 (en) * 1980-09-10 1982-03-12 Plessey Overseas SONAR WITH CONSTANT THICK REFLECTOR

Also Published As

Publication number Publication date
NO780868L (en) 1978-09-18
FR2383828B1 (en) 1981-01-09
IT1107116B (en) 1985-11-18
JPS53114181A (en) 1978-10-05
GB1552589A (en) 1979-09-12
AU3410178A (en) 1979-09-20
NL7702753A (en) 1978-09-19
CA1120788A (en) 1982-03-30
IT7867547A0 (en) 1978-03-13
AU514412B2 (en) 1981-02-05

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Legal Events

Date Code Title Description
ST Notification of lapse