FR2663746B1 - Sonde a courants de foucault pour detecter des defauts localises dans un tube en materiau ferromagnetique. - Google Patents
Sonde a courants de foucault pour detecter des defauts localises dans un tube en materiau ferromagnetique.Info
- Publication number
- FR2663746B1 FR2663746B1 FR9106719A FR9106719A FR2663746B1 FR 2663746 B1 FR2663746 B1 FR 2663746B1 FR 9106719 A FR9106719 A FR 9106719A FR 9106719 A FR9106719 A FR 9106719A FR 2663746 B1 FR2663746 B1 FR 2663746B1
- Authority
- FR
- France
- Prior art keywords
- tube
- ferromagnetic material
- current probe
- edge current
- localized defects
- 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 - Fee Related
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
- G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
- G01N27/904—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents with two or more sensors
-
- 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
- G01N27/90—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating magnetic variables for investigating the presence of flaws using eddy currents
- G01N27/9006—Details, e.g. in the structure or functioning of sensors
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/535,521 US5117182A (en) | 1990-06-08 | 1990-06-08 | Ferromagnetic eddy current probe having multiple levels of magnetization |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2663746A1 FR2663746A1 (fr) | 1991-12-27 |
FR2663746B1 true FR2663746B1 (fr) | 1994-05-20 |
Family
ID=24134604
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9106719A Expired - Fee Related FR2663746B1 (fr) | 1990-06-08 | 1991-06-04 | Sonde a courants de foucault pour detecter des defauts localises dans un tube en materiau ferromagnetique. |
Country Status (7)
Country | Link |
---|---|
US (1) | US5117182A (fr) |
JP (1) | JPH04232458A (fr) |
BR (1) | BR9102349A (fr) |
CA (1) | CA2041988A1 (fr) |
DE (1) | DE4118406A1 (fr) |
FR (1) | FR2663746B1 (fr) |
GB (1) | GB2245071B (fr) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2076205C (fr) * | 1992-08-14 | 1999-04-20 | Valentino S. Cecco | Sonde a courant de foucault differentiel a bracelets a bobinages multiples |
FR2696550B1 (fr) * | 1992-10-07 | 1994-10-28 | Commissariat Energie Atomique | Procédé de traitement de signaux recueillis par un capteur ponctuel absolu à courants de Foucault. |
US5589664A (en) * | 1993-09-21 | 1996-12-31 | Temper Corporation | Apparatus for containing electrical components for sensing or measuring magnetic fields |
US5418459A (en) * | 1993-10-08 | 1995-05-23 | Magnetic Analysis Corporation | Method and apparatus for flaw detection using an AC saturating field generated by a first coil and an eddy current sensor second coil |
US5619423A (en) * | 1994-01-21 | 1997-04-08 | Scrantz; Leonard | System, method and apparatus for the ultrasonic inspection of liquid filled tubulars and vessels |
JP3428734B2 (ja) * | 1994-08-01 | 2003-07-22 | 東京瓦斯株式会社 | 金属管探傷装置及び金属管探傷方法 |
EP0816838A1 (fr) * | 1996-06-25 | 1998-01-07 | Halliburton Company | Méthode et appareil pour l'inspection des boítiers dans des tiges de forage |
GB9718891D0 (en) * | 1997-09-06 | 1997-11-12 | British Gas Plc | Pipeline inspection device |
US6344739B1 (en) * | 1999-02-12 | 2002-02-05 | R/D Tech Inc. | Eddy current probe with multi-use coils and compact configuration |
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 |
KR100696991B1 (ko) * | 2006-01-25 | 2007-03-20 | 한국원자력연구소 | 투자율 측정법을 이용하여 증기발생기 전열관의 와전류를탐상하는 장치 및 방법 |
DE102007004223A1 (de) * | 2007-01-27 | 2008-07-31 | Bönisch, Andreas | Verfahren und Vorrichtung zur zerstörungsfreien Prüfung von Rohren, Stangen o. dgl. Fertigteilen zur Ausrüstung von Ölfeldern |
US8555918B2 (en) * | 2007-07-31 | 2013-10-15 | Amiteq Co., Ltd. | Flow rate control valve and spool position detection device for the flow rate control valve |
US7413011B1 (en) * | 2007-12-26 | 2008-08-19 | Schlumberger Technology Corporation | Optical fiber system and method for wellhole sensing of magnetic permeability using diffraction effect of faraday rotator |
GB0813914D0 (en) * | 2008-07-30 | 2008-09-03 | Innospection Holdings Ltd | Inspection apparatus and method |
GB2475314B8 (en) * | 2009-11-16 | 2013-09-25 | Innospection Group Ltd | Remote environment inspection apparatus and method |
GB2475315B (en) | 2009-11-16 | 2014-07-16 | Innospection Group Ltd | Inspection apparatus and method |
GB2537124B (en) | 2015-04-07 | 2018-09-05 | Innospection Group Ltd | In-line inspection tool |
RU2634544C2 (ru) * | 2015-08-05 | 2017-10-31 | Общество с ограниченной ответственностью "Интрон Плюс" | Устройство для вихретоковой дефектоскопии ферромагнитных труб со стороны их внутренней поверхности |
USD830863S1 (en) * | 2017-05-11 | 2018-10-16 | Jentek Sensors, Inc. | Portable test instrument |
USD842725S1 (en) * | 2017-05-12 | 2019-03-12 | Jentek Sensors, Inc. | Portable test instrument attachment |
GB2575386A (en) * | 2017-06-29 | 2020-01-08 | Halliburton Energy Services Inc | Using magnetism to evaluate tubing string integrity in a wellbore with multiple tubing strings |
CN107941901B (zh) * | 2018-01-19 | 2024-03-01 | 沈阳工业大学 | 一种基于逐级磁饱和结构的高速漏磁检测*** |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3940689A (en) * | 1974-05-14 | 1976-02-24 | Schlumberger Technology Corporation | Combined eddy current and leakage field detector for well bore piping using a unique magnetizer core structure |
GB1567600A (en) * | 1975-10-15 | 1980-05-21 | British Gas Corp | Lipe line inspection equipment |
GB1586581A (en) * | 1977-01-26 | 1981-03-18 | British Gas Corp | Pipeline inspection equipment |
JPS5834357A (ja) * | 1981-08-26 | 1983-02-28 | Kawasaki Steel Corp | 渦流探傷方法および装置 |
US4704577A (en) * | 1986-04-18 | 1987-11-03 | Westinghouse Electric Corp. | Eddy currents probe for measuring a gap between a tube and an antivibration bar |
US4808924A (en) * | 1987-02-19 | 1989-02-28 | Atomic Energy Of Canada Limited | Circumferentially compensating eddy current probe with alternately polarized transmit coils and receiver coils |
US4808927A (en) * | 1987-02-19 | 1989-02-28 | Atomic Energy Of Canada Limited | Circumferentially compensating eddy current probe with alternately polarized receiver coil |
US4855676A (en) * | 1987-05-06 | 1989-08-08 | Atomic Energy Of Canada Limited | Ferromagnetic eddy current probe having transmit and receive coil assemblies |
US4855677A (en) * | 1988-03-11 | 1989-08-08 | Westinghouse Electric Corp. | Multiple coil eddy current probe and method of flaw detection |
-
1990
- 1990-06-08 US US07/535,521 patent/US5117182A/en not_active Expired - Lifetime
-
1991
- 1991-05-07 CA CA002041988A patent/CA2041988A1/fr not_active Abandoned
- 1991-05-23 GB GB9111098A patent/GB2245071B/en not_active Expired - Fee Related
- 1991-06-04 FR FR9106719A patent/FR2663746B1/fr not_active Expired - Fee Related
- 1991-06-05 DE DE4118406A patent/DE4118406A1/de not_active Withdrawn
- 1991-06-06 BR BR919102349A patent/BR9102349A/pt unknown
- 1991-06-07 JP JP3136539A patent/JPH04232458A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
CA2041988A1 (fr) | 1991-12-07 |
GB2245071A (en) | 1991-12-18 |
GB9111098D0 (en) | 1991-07-17 |
GB2245071B (en) | 1994-08-03 |
JPH04232458A (ja) | 1992-08-20 |
US5117182A (en) | 1992-05-26 |
BR9102349A (pt) | 1992-01-07 |
FR2663746A1 (fr) | 1991-12-27 |
DE4118406A1 (de) | 1991-12-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2663746B1 (fr) | Sonde a courants de foucault pour detecter des defauts localises dans un tube en materiau ferromagnetique. | |
FR2614992B1 (fr) | Sonde ferromagnetique a courants de foucault | |
GB2010492B (en) | Method for the detection of flaws in a tube proximate a contiguous member | |
IT8420323A0 (it) | Staffa per sonda a correnti indotte usata nella rivelazione di difetti di materiali. | |
DE68901598D1 (de) | Apparat zum detektieren der position des randes eines objekts. | |
DE69206928D1 (de) | Apparat zum Bestimmen der Schweissnahtgüte | |
FR2667942B1 (fr) | Sonde a courants de foucault presentant une aimantation excentree, pour detecter des defauts dans des tubes ferromagnetiques. | |
FR2535056B1 (fr) | Sonde a courants de foucault a discrimination defaut-bruit | |
GB9023990D0 (en) | Eddy current imaging using difference detection | |
CA984909A (en) | Eddy current probe for inspecting weakly magnetic materials | |
DE59010639D1 (de) | Wirbelstromprüfgerät | |
GB2245072B (en) | Eddy current probe,incorporating multi-bracelets of different pancake coil diameters,for detecting internal defects in ferromagnetic tubes | |
FR2528568B1 (fr) | Sonde de jauge d'epaisseur a courants de foucault | |
EP0531127A3 (en) | Method for advanced material characterization by laser induced eddy current imaging | |
FR2339231A1 (fr) | Dispositif d'entrainement pneumatique pour sonde de mesure a courants de foucault | |
FR2562661B1 (fr) | Capteur pour la detection des defauts d'image | |
NO910550D0 (no) | Fremgangsmaate og apparat for aa detektere og bestemme mengden av radioaktivt materiale paa roer i et borhull. | |
FR2766269B1 (fr) | Sonde a courants de foucault pour le controle non destructif de la paroi d'un tube et procede de traitement des signaux de la sonde | |
DE69218100D1 (de) | Magnetische Inspektionsmaschine | |
FR2689638B1 (fr) | Capteur a courants de foucault. | |
GB2256713B (en) | Eddy current flaw size detecting probe | |
FR2629484B1 (fr) | Perfectionnement aux moyens de detection de balourds dans les lave-linge | |
FR2632531B1 (fr) | Sonde monocanaliculaire pour pathologie lacrymale | |
DE69431388D1 (de) | Bilderzeugungsgerät mit Vorrichtung zum optischen Feststellen der Entwicklermenge | |
DE69123827D1 (de) | Gerät zur zerstörungsfreien Prüfung mit Wirbelströmen |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |