DE1650173A1 - Verfahren und Einrichtung zum Untersuchen von Rohrleitungen auf Leckstellen - Google Patents

Verfahren und Einrichtung zum Untersuchen von Rohrleitungen auf Leckstellen

Info

Publication number
DE1650173A1
DE1650173A1 DE19671650173 DE1650173A DE1650173A1 DE 1650173 A1 DE1650173 A1 DE 1650173A1 DE 19671650173 DE19671650173 DE 19671650173 DE 1650173 A DE1650173 A DE 1650173A DE 1650173 A1 DE1650173 A1 DE 1650173A1
Authority
DE
Germany
Prior art keywords
frequency
leaks
range
frequency band
pipeline
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.)
Pending
Application number
DE19671650173
Other languages
German (de)
English (en)
Inventor
Hendrik Bosselaar
Van Riemsdijk Dipl-Ing Joannes
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 INT RESEARCH
Shell Internationale Research Maatschappij BV
Original Assignee
SHELL INT RESEARCH
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 INT RESEARCH, Shell Internationale Research Maatschappij BV filed Critical SHELL INT RESEARCH
Publication of DE1650173A1 publication Critical patent/DE1650173A1/de
Pending 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
    • G01M3/005—Investigating fluid-tightness of structures using pigs or moles
    • 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
    • G01M3/246—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 using pigs or probes travelling in the pipe
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/14—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object using acoustic emission techniques
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L2101/00—Uses or applications of pigs or moles
    • F16L2101/30—Inspecting, measuring or testing

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Examining Or Testing Airtightness (AREA)
DE19671650173 1966-07-12 1967-07-10 Verfahren und Einrichtung zum Untersuchen von Rohrleitungen auf Leckstellen Pending DE1650173A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6609733A NL6609733A (en, 2012) 1966-07-12 1966-07-12

Publications (1)

Publication Number Publication Date
DE1650173A1 true DE1650173A1 (de) 1970-09-10

Family

ID=19797154

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19671650173 Pending DE1650173A1 (de) 1966-07-12 1967-07-10 Verfahren und Einrichtung zum Untersuchen von Rohrleitungen auf Leckstellen

Country Status (7)

Country Link
US (1) US3462240A (en, 2012)
AT (1) AT290167B (en, 2012)
BE (1) BE706334A (en, 2012)
CH (1) CH486017A (en, 2012)
DE (1) DE1650173A1 (en, 2012)
GB (1) GB1149284A (en, 2012)
NL (1) NL6609733A (en, 2012)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7702461A (nl) * 1977-03-08 1978-09-12 Shell Int Research Inrichting voor het inspecteren van een pijpleiding op lekken.
US4116043A (en) * 1977-07-11 1978-09-26 American Can Company Electronic detection apparatus for leaks
US4176543A (en) * 1978-11-17 1979-12-04 Texaco Inc. Sonic leak detector and method
IN156268B (en, 2012) * 1979-04-19 1985-06-08 Bandag Inc
US4287581A (en) * 1980-02-19 1981-09-01 Neale Sr Dory J Ultrasonic fluid leak detector
US4387438A (en) * 1980-11-12 1983-06-07 The United States Of America As Represented By The Secretary Of The Interior Continuous transducer drift compensator
US5089997A (en) * 1990-11-02 1992-02-18 Pasar, Inc. Ultrasonic energy detector with frequency and amplitude indications and background noise reduction
AT405335B (de) * 1993-12-30 1999-07-26 Oemv Ag Vorrichtung und verfahren zur bestimmung von fehlstellen einer rohrleitung für fluide
EP0750737A1 (en) * 1994-03-15 1997-01-02 Energy And Environmental Technologies Corp. Apparatus and method for detecting ultrasonic waves propagated from within a selected distance
GB9920508D0 (en) * 1999-09-01 1999-11-03 Metrika Limited Detecting leaks in water distribution systems
US20020073768A1 (en) * 2000-09-01 2002-06-20 Joynes George Malcolm Swift Fluid flow sensors & leak detection systems
DE10127411C1 (de) * 2001-06-06 2002-10-24 Nolte Kuehlhaus Trocken U Mont Rammschutzvorrichtung
US6725705B1 (en) * 2003-05-15 2004-04-27 Gas Technology Institute Enhanced acoustic detection of gas leaks in underground gas pipelines
GB0715494D0 (en) * 2007-08-10 2007-09-19 Cell Ltd G Monitoring system and method
EP2635771A1 (en) * 2010-08-24 2013-09-11 Stanley Hale Leak detection and early warning system for capped or abandoned subsea wellheads
WO2014050619A1 (ja) 2012-09-28 2014-04-03 日本電気株式会社 欠陥分析装置、欠陥分析方法及びプログラム
JPWO2016152143A1 (ja) * 2015-03-24 2018-01-11 日本電気株式会社 欠陥分析装置、欠陥分析システム、欠陥分析方法およびコンピュータ読み取り可能記録媒体

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3126449A (en) * 1964-03-24 Shirman
US2996613A (en) * 1956-03-06 1961-08-15 Itt Detector circuit
US2884624A (en) * 1956-06-28 1959-04-28 Gulf Research Development Co Pipeline surveying
US3112452A (en) * 1959-12-28 1963-11-26 Gen Electric Signal processing arrangement with filters in plural channels minimizing undesirableinterference to narrow and wide pass bands
US3076939A (en) * 1960-09-06 1963-02-05 Keith H Wycoff Tone control circuits
NL271301A (en, 2012) * 1960-11-14
US3268824A (en) * 1963-04-15 1966-08-23 Beckman Instruments Inc Pulse code modulation reception system

Also Published As

Publication number Publication date
BE706334A (en, 2012) 1968-05-10
CH486017A (de) 1970-02-15
AT290167B (de) 1971-05-25
GB1149284A (en) 1969-04-23
US3462240A (en) 1969-08-19
NL6609733A (en, 2012) 1968-01-15

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