DE68913179T2 - Elektromagnetisches Impulsverfahren zur Detektion von Unregelmässigkeiten an leitfähigen Behältern. - Google Patents

Elektromagnetisches Impulsverfahren zur Detektion von Unregelmässigkeiten an leitfähigen Behältern.

Info

Publication number
DE68913179T2
DE68913179T2 DE68913179T DE68913179T DE68913179T2 DE 68913179 T2 DE68913179 T2 DE 68913179T2 DE 68913179 T DE68913179 T DE 68913179T DE 68913179 T DE68913179 T DE 68913179T DE 68913179 T2 DE68913179 T2 DE 68913179T2
Authority
DE
Germany
Prior art keywords
irregularities
detection
electromagnetic pulse
pulse method
conductive containers
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.)
Expired - Lifetime
Application number
DE68913179T
Other languages
English (en)
Other versions
DE68913179D1 (de
Inventor
Brian R Spies
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.)
Rontgen Technische Dienst BV
Original Assignee
Atlantic Richfield Co
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 Atlantic Richfield Co filed Critical Atlantic Richfield Co
Publication of DE68913179D1 publication Critical patent/DE68913179D1/de
Application granted granted Critical
Publication of DE68913179T2 publication Critical patent/DE68913179T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
    • G01B7/06—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness
    • G01B7/10—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness using magnetic means, e.g. by measuring change of reluctance
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
DE68913179T 1988-12-29 1989-12-21 Elektromagnetisches Impulsverfahren zur Detektion von Unregelmässigkeiten an leitfähigen Behältern. Expired - Lifetime DE68913179T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/291,632 US4929898A (en) 1987-12-17 1988-12-29 Transient electromagnetic method for detecting irregularities on conductive containers

Publications (2)

Publication Number Publication Date
DE68913179D1 DE68913179D1 (de) 1994-03-24
DE68913179T2 true DE68913179T2 (de) 1994-08-18

Family

ID=23121117

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68913179T Expired - Lifetime DE68913179T2 (de) 1988-12-29 1989-12-21 Elektromagnetisches Impulsverfahren zur Detektion von Unregelmässigkeiten an leitfähigen Behältern.

Country Status (8)

Country Link
US (1) US4929898A (de)
EP (1) EP0376635B1 (de)
JP (1) JP3035596B2 (de)
AU (1) AU631832B2 (de)
CA (1) CA2005550C (de)
DE (1) DE68913179T2 (de)
HK (1) HK1005472A1 (de)
NO (1) NO302633B1 (de)

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US4906928A (en) * 1988-12-29 1990-03-06 Atlantic Richfield Company Transient electromagnetic apparatus with receiver having digitally controlled gain ranging amplifier for detecting irregularities on conductive containers
CA2005551C (en) * 1988-12-29 1999-08-31 Pedro F. Lara Transient electromagnetic method for detecting irregularities on conductive containers having variations in jacket thickness
US5881310A (en) * 1990-07-16 1999-03-09 Atlantic Richfield Company Method for executing an instruction where the memory locations for data, operation to be performed and storing of the result are indicated by pointers
US5233297A (en) * 1990-08-06 1993-08-03 Atlantic Richfield Company Transient electromagnetic method and apparatus for inspecting conductive objects utilizing sensors that move during inspection
US5504426A (en) * 1992-12-07 1996-04-02 Westinghouse Electric Corporation Check valve position indication system and method
EP0817974B1 (de) * 1995-03-14 2000-11-08 Profile Technologies, Inc. Reflektometrieverfahren für isolierte Röhren
EP0885396A4 (de) 1996-02-27 2007-09-26 Profile Technologies Inc Verfahren und vorrichtung zur prüfung von rohren
US6291992B1 (en) * 1996-07-12 2001-09-18 Shell Oil Company Eddy current inspection technique
US6343140B1 (en) 1998-09-11 2002-01-29 Quid Technologies Llc Method and apparatus for shooting using biometric recognition
US6507662B1 (en) 1998-09-11 2003-01-14 Quid Technologies Llc Method and system for biometric recognition based on electric and/or magnetic properties
US6344741B1 (en) * 2000-06-20 2002-02-05 Her Majesty The Queen As Represented By The Minister Of National Defence In Right Of Canada Pulsed eddy current method for detection of corrosion in multilayer structures using the lift-off point of intersection
US6593737B2 (en) * 2000-08-24 2003-07-15 Shell Oil Company Method for measuring the wall thickness of an electrically conductive object
US6707296B2 (en) * 2000-08-24 2004-03-16 Shell Oil Company Method for detecting cracks in electrically conducting material
US7196529B2 (en) * 2003-05-06 2007-03-27 Profile Technologies, Inc. Systems and methods for testing conductive members employing electromagnetic back scattering
EP1629228B1 (de) * 2003-05-06 2017-08-16 WaveTrue, Inc. Verfahren zur zerstörungsfreien prüfung von leitfähigen elementen unter verwendung elektromagnetischer rückstreuung
US7642790B2 (en) * 2003-05-06 2010-01-05 Profile Technologies, Inc. Systems and methods for testing conductive members employing electromagnetic back scattering
US7005851B2 (en) * 2003-09-30 2006-02-28 General Electric Company Methods and apparatus for inspection utilizing pulsed eddy current
JP4886577B2 (ja) * 2007-04-06 2012-02-29 新日本製鐵株式会社 腐食速度測定用センサ、装置、及び、腐食速度測定方法
US8000936B2 (en) * 2008-11-10 2011-08-16 Saudi Arabian Oil Company Data analysis system for determining coating conditions of a buried pipeline
NL2002921C2 (en) * 2009-05-25 2010-11-30 Ntgen Tech Dienst B V R A METHOD OR NON-DESTRUCTIVELY TESTING, A SYSTEM AND A COMPUTER PROGRAM PRODUCT.
US20110163740A1 (en) * 2010-01-06 2011-07-07 Russell Nde Systems Inc. Blanket probe
JP5693404B2 (ja) * 2011-07-08 2015-04-01 日置電機株式会社 被覆電線の表面汚れ検出装置
US20130132034A1 (en) * 2011-11-23 2013-05-23 Ge Aviation Systems Llc Method for prognosing a health problem of an apparatus
US10073058B2 (en) 2015-02-11 2018-09-11 Structural Integrity Associates Dynamic pulsed eddy current probe
US10895555B2 (en) 2015-03-30 2021-01-19 Structural Integrity Associates, Inc. System for in-line inspection using a dynamic pulsed eddy current probe and method thereof
US20160290974A1 (en) * 2015-03-31 2016-10-06 Mueller International, Llc Determination of pipe wall failure based on minimum pipe wall thickness
US9835592B2 (en) 2015-06-16 2017-12-05 Mueller International, Llc Determination of tuberculation in a fluid distribution system
US9880130B2 (en) 2015-12-15 2018-01-30 Eddyfi Ndt Inc. Pulsed eddy current testing with dual-purpose coils
US10067092B2 (en) 2015-12-18 2018-09-04 Mueller International, Llc Noisemaker for pipe systems
US10267774B2 (en) 2016-02-29 2019-04-23 Mueller International, Llc External noisemaker for pipe systems
US10746698B2 (en) * 2017-01-31 2020-08-18 Exxam Systems, LLC Eddy current pipeline inspection using swept frequency
US11726064B2 (en) 2020-07-22 2023-08-15 Mueller International Llc Acoustic pipe condition assessment using coherent averaging
US11609348B2 (en) 2020-12-29 2023-03-21 Mueller International, Llc High-resolution acoustic pipe condition assessment using in-bracket pipe excitation
JP7117050B1 (ja) 2022-01-14 2022-08-12 株式会社レジナ 化粧板及びこれを用いる家具、並びに、化粧板の製造方法及び家具の製造方法

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DE1698481B1 (de) * 1963-02-18 1969-09-04 Claus Colani Vorrichtung zur Untersuchung eines relativ homogenen,gegebenenfalls eine gewisse elektrische Leitfaehigkeit aufweisenden Mediums
US3875502A (en) * 1973-05-24 1975-04-01 Foerster Inst Dr Friedrich Coil arrangement and circuit for eddy current testing
FR2360070A1 (fr) * 1976-07-30 1978-02-24 Elf Aquitaine Dispositif pour le controle de la corrosion de la paroi interne d'une enceinte metallique
DE2915535A1 (de) * 1978-04-28 1979-11-08 N Proizv Ob Energia Verfahren und einrichtung zur zerstoerungsfreien pruefung von rohrleitungen
MA18895A1 (fr) * 1979-07-09 1981-04-01 Cie Generale De Geophysique Sa Procede et dispositif de prospection geophysique a courants transitoires
US4339720A (en) * 1980-04-04 1982-07-13 The Anaconda Company Telluric noise cancellation in induced polarization prospecting
DE3034426A1 (de) * 1980-09-12 1982-03-25 Bundesrepublik Deutschland, vertreten durch den Bundesminister für Wirtschaft in Bonn, dieser vertreten durch den Präsidenten der Bundesanstalt für Materialprüfung (BAM), 1000 Berlin Anordnung zur zerstoerungsfreien pruefung von elektrisch leitfaehigen werkstoffen auf der grundlage des impuls-wirbelstromverfahrens
FR2541772B1 (fr) * 1983-02-24 1985-06-14 Aerospatiale Procede et dispositif pour l'examen non destructif de jonctions rivetees ou analogues au moyen d'une sonde a courants de foucault
JPS60253966A (ja) * 1984-05-31 1985-12-14 Shimadzu Corp 渦流探傷信号のｃｒｔ表示方法
US4631533A (en) * 1984-06-15 1986-12-23 Westinghouse Electric Corp. Display of eddy current detector data
US4692701A (en) * 1984-12-13 1987-09-08 Factory Mutual Research Method of testing steam turbine rotors to determine if they should be retired because of embrittlement
IT1189660B (it) * 1986-04-11 1988-02-04 Fiat Auto Spa Apparecchiatura per rivelare micro difetti superficiali di un pezzo metallico
US4843319A (en) * 1987-12-17 1989-06-27 Atlantic Richfield Company Transient electromagnetic method for detecting corrosion on conductive containers having variations in jacket thickness
US4839593A (en) * 1987-12-17 1989-06-13 Atlantic Richfield Company Transient electromagnetic method for directly detecting corrosion on conductive containers
US4843320A (en) * 1987-12-17 1989-06-27 Atlantic Richfield Company Transient electromagnetic method for detecting corrosion on conductive containers

Also Published As

Publication number Publication date
NO302633B1 (no) 1998-03-30
US4929898A (en) 1990-05-29
EP0376635A2 (de) 1990-07-04
AU4736389A (en) 1990-07-05
CA2005550C (en) 2000-03-28
DE68913179D1 (de) 1994-03-24
CA2005550A1 (en) 1990-06-29
AU631832B2 (en) 1992-12-10
EP0376635B1 (de) 1994-02-16
HK1005472A1 (en) 1999-01-08
JPH02269945A (ja) 1990-11-05
NO895275D0 (no) 1989-12-27
EP0376635A3 (de) 1991-02-06
NO895275L (no) 1990-07-02
JP3035596B2 (ja) 2000-04-24

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PHILLIPS PETROLEUM CO. (N.D.GES.D. STAATES DELAWAR

8327 Change in the person/name/address of the patent owner

Owner name: RöNTGEN TECHNISCHE DIENST B.V., ROTTERDAM, NL