NO324612B1 - Fremgangsmate og anordning for magnetisk testing av gjenstander med en vegg som omfatter minst ett lag av magnetisk materiale - Google Patents
Fremgangsmate og anordning for magnetisk testing av gjenstander med en vegg som omfatter minst ett lag av magnetisk materiale Download PDFInfo
- Publication number
- NO324612B1 NO324612B1 NO19980098A NO980098A NO324612B1 NO 324612 B1 NO324612 B1 NO 324612B1 NO 19980098 A NO19980098 A NO 19980098A NO 980098 A NO980098 A NO 980098A NO 324612 B1 NO324612 B1 NO 324612B1
- Authority
- NO
- Norway
- Prior art keywords
- layer
- magnetizing
- field
- magnetic
- wall
- Prior art date
Links
- 230000005291 magnetic effect Effects 0.000 title claims description 81
- 238000000034 method Methods 0.000 title claims description 44
- 239000000696 magnetic material Substances 0.000 title description 12
- 238000007689 inspection Methods 0.000 claims description 75
- 230000005415 magnetization Effects 0.000 claims description 58
- 230000004907 flux Effects 0.000 claims description 34
- 238000005259 measurement Methods 0.000 claims description 29
- 238000001514 detection method Methods 0.000 claims description 18
- 239000003302 ferromagnetic material Substances 0.000 claims description 11
- 230000004069 differentiation Effects 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 140
- 230000007547 defect Effects 0.000 description 33
- 230000005347 demagnetization Effects 0.000 description 25
- 238000010276 construction Methods 0.000 description 11
- 239000003921 oil Substances 0.000 description 11
- 230000005294 ferromagnetic effect Effects 0.000 description 10
- 239000000463 material Substances 0.000 description 8
- 238000012545 processing Methods 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 7
- 230000003014 reinforcing effect Effects 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 238000004804 winding Methods 0.000 description 7
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- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 230000005355 Hall effect Effects 0.000 description 1
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- 229910000676 Si alloy Inorganic materials 0.000 description 1
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- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000009750 centrifugal casting Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
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- 238000005336 cracking Methods 0.000 description 1
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- 230000006698 induction Effects 0.000 description 1
- XWHPIFXRKKHEKR-UHFFFAOYSA-N iron silicon Chemical class [Si].[Fe] XWHPIFXRKKHEKR-UHFFFAOYSA-N 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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- 238000012546 transfer Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
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)
- Measuring Magnetic Variables (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9508635A FR2736719B1 (fr) | 1995-07-10 | 1995-07-10 | Procede et dispositif de controle magnetique de produits dont la paroi comporte au moins une couche en materiau magnetique |
| PCT/FR1996/001018 WO1997003353A1 (fr) | 1995-07-10 | 1996-07-02 | Procede et dispositif de controle magnetique de produits dont la paroi comporte au moins une couche en materiau magnetique |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO980098D0 NO980098D0 (no) | 1998-01-09 |
| NO980098L NO980098L (no) | 1998-03-10 |
| NO324612B1 true NO324612B1 (no) | 2007-11-26 |
Family
ID=9481060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO19980098A NO324612B1 (no) | 1995-07-10 | 1998-01-09 | Fremgangsmate og anordning for magnetisk testing av gjenstander med en vegg som omfatter minst ett lag av magnetisk materiale |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US6037767A (pt) |
| EP (1) | EP0838031B1 (pt) |
| AU (1) | AU696274B2 (pt) |
| BR (1) | BR9609514A (pt) |
| CA (1) | CA2226631C (pt) |
| DE (1) | DE69624708D1 (pt) |
| DK (1) | DK0838031T3 (pt) |
| FR (1) | FR2736719B1 (pt) |
| NO (1) | NO324612B1 (pt) |
| WO (1) | WO1997003353A1 (pt) |
Families Citing this family (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AUPN992596A0 (en) * | 1996-05-17 | 1996-06-13 | Technological Resources Pty Limited | Magnetic detection of discontinuities in magnetic materials |
| FR2790087B1 (fr) | 1999-02-19 | 2001-04-20 | Coflexip | Procede et dispositif de mesure in situ de la distance entre deux elements donnes dans une conduite tubulaire |
| US6265870B1 (en) * | 1999-09-02 | 2001-07-24 | Ndt Technologies, Inc. | Eddy current sensor assembly for detecting structural faults in magnetically permeable objects |
| US7259688B2 (en) * | 2000-01-24 | 2007-08-21 | Shell Oil Company | Wireless reservoir production control |
| US20020036085A1 (en) * | 2000-01-24 | 2002-03-28 | Bass Ronald Marshall | Toroidal choke inductor for wireless communication and control |
| IL153088A0 (en) * | 2000-06-14 | 2003-06-24 | Fast Technology Ag | Magnetic transducer torque measurement |
| JP3811039B2 (ja) * | 2000-10-18 | 2006-08-16 | Ｊｆｅスチール株式会社 | 磁気探傷装置の漏洩磁気検出センサ |
| US7322410B2 (en) * | 2001-03-02 | 2008-01-29 | Shell Oil Company | Controllable production well packer |
| GB0112983D0 (en) * | 2001-05-30 | 2001-07-18 | Advanced Eng Solutions Ltd | Pipe condition detecting apparatus |
| GB0314747D0 (en) * | 2003-06-25 | 2003-07-30 | Aea Technology Plc | Detecting failures in flexible multristrand steel structures |
| US7913756B2 (en) * | 2004-12-13 | 2011-03-29 | Baker Hughes Incorporated | Method and apparatus for demagnetizing a borehole |
| GB0428138D0 (en) * | 2004-12-23 | 2005-01-26 | Aea Technology Plc | Detecting failures in flexible multistrand steel structures |
| FR2902191B1 (fr) * | 2006-06-07 | 2013-02-15 | Inst La Soudure | Dispositif de controle non destructif permettant de determiner la presence de materiau magnetique dans des materiaux non magnetiques ou a magnetisme oriente comme par exemple les soudures |
| EP2087324A4 (en) * | 2006-11-17 | 2010-12-29 | Louis J Jannotta | DEVICE FOR MONITORING THE LIQUID LEVEL IN A MEMORY TANK |
| US20080258719A1 (en) * | 2007-04-18 | 2008-10-23 | The University Of Houston | Apparatus and methods for ferromagnetic wall inspection of tubulars |
| GB0722534D0 (en) * | 2007-11-16 | 2007-12-27 | Advanced Eng Solutions Ltd | Pipeline condition detecting method and apparatus |
| US7706988B2 (en) * | 2008-03-14 | 2010-04-27 | Blade Energy Partners, Inc. | Method for improved crack detection and discrimination using circumferential magnetic flux leakage |
| GB2475314B8 (en) * | 2009-11-16 | 2013-09-25 | Innospection Group Ltd | Remote environment inspection apparatus and method |
| DK2545368T3 (da) * | 2010-03-10 | 2019-08-05 | Jrb Eng Pty Ltd | Fremgangsmåde og indretning til magnetisk forudsigelse af revnedybde |
| US9228428B2 (en) | 2012-12-26 | 2016-01-05 | General Electric Company | System and method for monitoring tubular components of a subsea structure |
| WO2014105080A1 (en) * | 2012-12-31 | 2014-07-03 | Halliburton Energy Services, Inc. | Apparatus and method of defects inspection |
| US10240435B2 (en) * | 2013-05-08 | 2019-03-26 | Halliburton Energy Services, Inc. | Electrical generator and electric motor for downhole drilling equipment |
| GB201319099D0 (en) * | 2013-10-29 | 2013-12-11 | Wellstream Int Ltd | Detection apparatus and method |
| PL2930651T3 (pl) * | 2014-04-11 | 2017-02-28 | Magcam Nv | Sposób i urządzenie do mierzenia rozkładu pola magnetycznego magnesu wzdłuż głównej powierzchni wspomnianego magnesu |
| NO342614B1 (no) * | 2014-10-30 | 2018-06-18 | Blue Logic As | Fremgangsmåte og apparat for bestemmelse av en tilstand av en polymerfôring av et fleksibelt rør ved å ta en prøve av polymerlaget gjennom stammelaget |
| FR3030683B1 (fr) | 2014-12-23 | 2017-08-18 | Technip France | Procede de surveillance en service d'elements metalliques d'une ligne flexible et necessaire associe |
| DE102015102093A1 (de) * | 2015-02-13 | 2016-08-18 | Pentacon Gmbh Foto- Und Feinwerktechnik | Verfahren und Vorrichtung zur Rissprüfung von ferromagnetischen Werkstücken |
| GB2537124B (en) | 2015-04-07 | 2018-09-05 | Innospection Group Ltd | In-line inspection tool |
| FR3046452B1 (fr) * | 2015-12-31 | 2018-02-16 | Technip France | Embout de connexion d'une ligne flexible, dispositif de mesure et procede associe |
| EP3803910A1 (en) * | 2018-05-24 | 2021-04-14 | Prysmian S.p.A. | Armoured cable for transporting alternate current with permanently magnetised armour wires |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2557254B1 (fr) * | 1983-12-22 | 1986-06-27 | Inst Francais Du Petrole | Conduite flexible ne presentant pas de variation notable de longueur, sous l'effet d'une pression interne |
| DE3409734A1 (de) * | 1984-03-20 | 1985-09-26 | The Furukawa Electric Co., Ltd., Tokio/Tokyo | Biegsame rohrleitung fuer den transport fliessender medien |
| US4700134A (en) * | 1985-01-10 | 1987-10-13 | Anco Engineers, Inc. | Method and apparatus for determining the amount of magnetic debris adhering to the exterior of a tube |
| GB2193810A (en) * | 1986-08-12 | 1988-02-17 | Inst Prikladnoi Fiziki Akademi | Apparatus for measuring mechanical characteristics of steels |
| FR2650652B1 (fr) * | 1989-06-30 | 1991-10-31 | Inst Francais Du Petrole | Tube flexible comportant au moins un element allonge de renfort ayant un profil en " t " |
| US5336998A (en) * | 1992-06-22 | 1994-08-09 | United States Pipe And Foundry Company | Sensor for detecting faults in a magnetized ferrous object using hall effect elements |
| US5336988A (en) * | 1993-02-10 | 1994-08-09 | Picker International, Inc. | Scalar S-parameter test set for NMR instrumentation measurements |
| US5359939A (en) * | 1993-06-17 | 1994-11-01 | Tuboscope Vetco International, Inc. | Support device for in-line pipe inspection tool |
-
1995
- 1995-07-10 FR FR9508635A patent/FR2736719B1/fr not_active Expired - Fee Related
-
1996
- 1996-07-02 DK DK96924910T patent/DK0838031T3/da active
- 1996-07-02 US US08/983,547 patent/US6037767A/en not_active Expired - Fee Related
- 1996-07-02 EP EP96924910A patent/EP0838031B1/fr not_active Expired - Lifetime
- 1996-07-02 AU AU65211/96A patent/AU696274B2/en not_active Ceased
- 1996-07-02 WO PCT/FR1996/001018 patent/WO1997003353A1/fr active IP Right Grant
- 1996-07-02 BR BR9609514A patent/BR9609514A/pt not_active Application Discontinuation
- 1996-07-02 CA CA002226631A patent/CA2226631C/en not_active Expired - Fee Related
- 1996-07-02 DE DE69624708T patent/DE69624708D1/de not_active Expired - Lifetime
-
1998
- 1998-01-09 NO NO19980098A patent/NO324612B1/no not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE69624708D1 (de) | 2002-12-12 |
| NO980098D0 (no) | 1998-01-09 |
| US6037767A (en) | 2000-03-14 |
| BR9609514A (pt) | 1999-02-23 |
| CA2226631A1 (en) | 1997-01-30 |
| WO1997003353A1 (fr) | 1997-01-30 |
| AU696274B2 (en) | 1998-09-03 |
| FR2736719B1 (fr) | 1997-09-05 |
| EP0838031B1 (fr) | 2002-11-06 |
| FR2736719A1 (fr) | 1997-01-17 |
| DK0838031T3 (da) | 2003-03-03 |
| NO980098L (no) | 1998-03-10 |
| CA2226631C (en) | 2004-06-01 |
| AU6521196A (en) | 1997-02-10 |
| EP0838031A1 (fr) | 1998-04-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM1K | Lapsed by not paying the annual fees |