FR2548785A1 - Appareil pour detecter une partie defectueuse dans un tube metallique - Google Patents

Appareil pour detecter une partie defectueuse dans un tube metallique Download PDF

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Publication number
FR2548785A1
FR2548785A1 FR8410647A FR8410647A FR2548785A1 FR 2548785 A1 FR2548785 A1 FR 2548785A1 FR 8410647 A FR8410647 A FR 8410647A FR 8410647 A FR8410647 A FR 8410647A FR 2548785 A1 FR2548785 A1 FR 2548785A1
Authority
FR
France
Prior art keywords
magnetic field
metal tube
detecting
tube
detecting means
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
FR8410647A
Other languages
English (en)
French (fr)
Inventor
Takeo Yamada
Hiroyuki Hojyo
Akio Nagamune
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.)
JFE Engineering Corp
Original Assignee
Nippon Kokan Ltd
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 Nippon Kokan Ltd filed Critical Nippon Kokan Ltd
Publication of FR2548785A1 publication Critical patent/FR2548785A1/fr
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/72—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables
    • G01N27/82—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
FR8410647A 1983-07-04 1984-07-04 Appareil pour detecter une partie defectueuse dans un tube metallique Pending FR2548785A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12128883A JPS6013205A (ja) 1983-07-04 1983-07-04 管体の腐食位置検出装置及びその検出方法

Publications (1)

Publication Number Publication Date
FR2548785A1 true FR2548785A1 (fr) 1985-01-11

Family

ID=14807542

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8410647A Pending FR2548785A1 (fr) 1983-07-04 1984-07-04 Appareil pour detecter une partie defectueuse dans un tube metallique

Country Status (4)

Country Link
JP (1) JPS6013205A (enrdf_load_stackoverflow)
DE (1) DE3424308A1 (enrdf_load_stackoverflow)
FR (1) FR2548785A1 (enrdf_load_stackoverflow)
GB (1) GB2143331A (enrdf_load_stackoverflow)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5537035A (en) * 1994-05-10 1996-07-16 Gas Research Institute Apparatus and method for detecting anomalies in ferrous pipe structures
US5479100A (en) * 1994-05-10 1995-12-26 Gas Research Institute Method for detecting anomalies in pipes
DE19654868A1 (de) * 1996-12-24 1998-06-25 Forschungsgesellschaft Fuer In Prüfverfahren zur Erkennung von Korrosion
DE19819066A1 (de) * 1998-04-29 1999-11-11 F I T Messtechnik Gmbh Prüfverfahren zur berührungslosen Erkennung von Ungleichmäßigkeiten in der Wanddicke von unzugänglichen metallischen Rohren
US6815946B2 (en) 1999-04-05 2004-11-09 Halliburton Energy Services, Inc. Magnetically activated well tool
US6411084B1 (en) * 1999-04-05 2002-06-25 Halliburton Energy Services, Inc. Magnetically activated well tool
RU2176317C1 (ru) * 2000-03-13 2001-11-27 Открытое акционерное общество Научно-производственное предприятие Научно-исследовательский и проектно-конструкторский институт геофизических исследований геологоразведочных скважин Способ электромагнитной дефектоскопии стальных труб в скважинах
DE10030191C2 (de) * 2000-06-19 2002-10-31 Hahn Meitner Inst Berlin Gmbh Vorrichtung und Verfahren zur Ortung und zur Bestimmung der Ausdehnung von nicht sichtbaren Körpern aus ferromagnetischen Materialien in nichtferromagnetischer Umgebung
JP2003068234A (ja) 2001-08-29 2003-03-07 Nippon Electric Glass Co Ltd 投射管用ファンネル・ネック封合体
EP1357380A1 (de) * 2002-04-24 2003-10-29 NP Inspection Services GmbH Prüfverfahren und Prüfvorrichtung zur Erkennung von Ungleichmässigkeiten in der Wandstärke von ferromagnetischen Rohren
US6597178B1 (en) * 2002-10-18 2003-07-22 Schlumberger Technology Corporation Sensor for detecting the magnetic field in the area of downhole casing
JP6007923B2 (ja) * 2014-01-22 2016-10-19 横河電機株式会社 減肉検出装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1978252A (en) * 1930-10-25 1934-10-23 Sperry Prod Inc Flaw detector for boiler welds
US2371176A (en) * 1945-03-13 Means for and method of detecting
US3753091A (en) * 1972-04-10 1973-08-14 Submarine Pipeline Technology Method and device for detecting faults in non-conductive coatings on under water pipelines
GB1586581A (en) * 1977-01-26 1981-03-18 British Gas Corp Pipeline inspection equipment

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB631988A (en) * 1947-07-25 1949-11-14 Superheater Co Ltd Improvements in and relating to apparatus for testing materials by magnetic or electrical analysis
US3284702A (en) * 1963-04-26 1966-11-08 Camco Inc Apparatus for detecting coating holidays in metal pipeline walls utilizing helically wound pick-up coils and selfcontained power system
GB1155817A (en) * 1967-06-09 1969-06-25 Forster F M O Magnetic nondestructive testing system
GB1200146A (en) * 1967-08-17 1970-07-29 Friedrich M O Foerster Measuring magnetic fields
JPS5826256A (ja) * 1981-08-07 1983-02-16 Kubota Ltd 管の検査装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2371176A (en) * 1945-03-13 Means for and method of detecting
US1978252A (en) * 1930-10-25 1934-10-23 Sperry Prod Inc Flaw detector for boiler welds
US3753091A (en) * 1972-04-10 1973-08-14 Submarine Pipeline Technology Method and device for detecting faults in non-conductive coatings on under water pipelines
GB1586581A (en) * 1977-01-26 1981-03-18 British Gas Corp Pipeline inspection equipment

Also Published As

Publication number Publication date
GB8416773D0 (en) 1984-08-08
JPS6013205A (ja) 1985-01-23
JPH0457961B2 (enrdf_load_stackoverflow) 1992-09-16
DE3424308A1 (de) 1985-01-17
GB2143331A (en) 1985-02-06

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