NO780868L - Undervannsfartoey for akustisk inspeksjon av roerledninger med henblikk paa lekkasjer - Google Patents

Undervannsfartoey for akustisk inspeksjon av roerledninger med henblikk paa lekkasjer

Info

Publication number
NO780868L
NO780868L NO780868A NO780868A NO780868L NO 780868 L NO780868 L NO 780868L NO 780868 A NO780868 A NO 780868A NO 780868 A NO780868 A NO 780868A NO 780868 L NO780868 L NO 780868L
Authority
NO
Norway
Prior art keywords
hydrophones
vessel
pipeline
underwater
vessel according
Prior art date
Application number
NO780868A
Other languages
English (en)
Norwegian (no)
Inventor
Jelte Hoving
Robert Henri Johan Van Ouderaa
Edward Antonius Sluyter
Original Assignee
Shell Int Research
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 Int Research filed Critical Shell Int Research
Publication of NO780868L publication Critical patent/NO780868L/no

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

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
NO780868A 1977-03-15 1978-03-13 Undervannsfartoey for akustisk inspeksjon av roerledninger med henblikk paa lekkasjer NO780868L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7702753A NL7702753A (nl) 1977-03-15 1977-03-15 Onderwatervaartuig voor akoestische inspectie van pijpleidingen op lekken.

Publications (1)

Publication Number Publication Date
NO780868L true NO780868L (no) 1978-09-18

Family

ID=19828167

Family Applications (1)

Application Number Title Priority Date Filing Date
NO780868A NO780868L (no) 1977-03-15 1978-03-13 Undervannsfartoey for akustisk inspeksjon av roerledninger med henblikk paa lekkasjer

Country Status (8)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4212258A (en) * 1978-05-12 1980-07-15 International Submarine Services, S.A. Underwater apparatus for acoustically inspecting a submerged object
GB2083989A (en) * 1980-09-10 1982-03-31 Plessey Co Ltd Ultrasonic reflectors
JPS5810623A (ja) * 1981-07-14 1983-01-21 Toshiba Corp 漏水検出装置
JPS60105931A (ja) * 1983-11-14 1985-06-11 Tokyo Gas Co Ltd ガス配管、ガス機器の漏洩検知装置
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
US10577923B2 (en) 2015-03-20 2020-03-03 Halliburton Energy Services, Inc. Leak detection via doppler shift differences in moving hydrophones

Also Published As

Publication number Publication date
AU3410178A (en) 1979-09-20
FR2383828B1 (it) 1981-01-09
IT1107116B (it) 1985-11-18
GB1552589A (en) 1979-09-12
IT7867547A0 (it) 1978-03-13
JPS53114181A (en) 1978-10-05
AU514412B2 (en) 1981-02-05
CA1120788A (en) 1982-03-30
FR2383828A1 (fr) 1978-10-13
NL7702753A (nl) 1978-09-19

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