AU2002225590A1 - A technique for measuring the thickness of a ferromagnetic metal using permeability signatures - Google Patents

A technique for measuring the thickness of a ferromagnetic metal using permeability signatures

Info

Publication number
AU2002225590A1
AU2002225590A1 AU2002225590A AU2559002A AU2002225590A1 AU 2002225590 A1 AU2002225590 A1 AU 2002225590A1 AU 2002225590 A AU2002225590 A AU 2002225590A AU 2559002 A AU2559002 A AU 2559002A AU 2002225590 A1 AU2002225590 A1 AU 2002225590A1
Authority
AU
Australia
Prior art keywords
signatures
permeability
measuring
technique
thickness
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.)
Abandoned
Application number
AU2002225590A
Inventor
K. Amini Bijan
James R. Carl
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.)
EM Tech LLC
Original Assignee
EM Tech LLC
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 EM Tech LLC filed Critical EM Tech LLC
Publication of AU2002225590A1 publication Critical patent/AU2002225590A1/en
Abandoned 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
AU2002225590A 2000-10-16 2001-10-16 A technique for measuring the thickness of a ferromagnetic metal using permeability signatures Abandoned AU2002225590A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US24151700P 2000-10-16 2000-10-16
US60/241,517 2000-10-16
PCT/US2001/032397 WO2002033394A2 (en) 2000-10-16 2001-10-16 A technique for measuring the thickness of a ferromagnetic metal using permeability signatures

Publications (1)

Publication Number Publication Date
AU2002225590A1 true AU2002225590A1 (en) 2002-04-29

Family

ID=22911004

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002225590A Abandoned AU2002225590A1 (en) 2000-10-16 2001-10-16 A technique for measuring the thickness of a ferromagnetic metal using permeability signatures

Country Status (3)

Country Link
US (1) US7019518B2 (en)
AU (1) AU2002225590A1 (en)
WO (1) WO2002033394A2 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8469993B2 (en) * 2003-06-18 2013-06-25 Boston Scientific Scimed, Inc. Endoscopic instruments
US20040260337A1 (en) 2003-06-18 2004-12-23 Scimed Life Systems, Inc. Endoscopic instruments and methods of manufacture
EP1717412B1 (en) * 2005-04-26 2008-01-02 Services Petroliers Schlumberger A method for electromagnetically measuring physical parameters of a pipe
US8358126B2 (en) * 2010-01-14 2013-01-22 Southwest Research Institute Magnetostrictive sensor for tank floor inspection
US11221291B2 (en) 2012-03-05 2022-01-11 Vista Precision Solutions, Inc. Measurement-based, in-service method for updating the internal inspection interval of an AST
US10775293B1 (en) 2012-03-05 2020-09-15 Vista Precision Solutions, Inc. Measurement-based, in-service method for updating the internal inspection interval of an AST
US9766175B1 (en) 2012-03-05 2017-09-19 Vista Precision Solutions, Inc. Method and apparatus for in-service measurement of the bottom thickness and corrosion rate of a tank bottom
US9228932B1 (en) 2012-03-05 2016-01-05 Vista Precision Solutions, Inc. Method and apparatus for extending the time between out-of-service, in-tank inspections
US11796450B1 (en) 2012-03-05 2023-10-24 Vista Precision Solutions, Inc. Method and apparatus for determining the time between internal inspections of a tank
US10345270B1 (en) 2016-04-18 2019-07-09 Vista Precision Solutions, Inc. Measurement-based, in-service method for determining the time to the next internal inspection of an AST
KR101511086B1 (en) 2013-12-02 2015-04-10 국립암센터 Closed loop clip Hemostic apparatus with built-in inner forceps

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3574458A (en) 1968-04-08 1971-04-13 Itek Corp Apparatus and method for modifying contrast in photographic images
US3617779A (en) 1968-07-10 1971-11-02 Bell Telephone Labor Inc Electromagnetic energy logic employing saturable absorbers
BE795971A (en) 1972-03-01 1973-08-27 Kalle Ag AUTOMATIC REGULATION OF THE SCROLLING SPEED OF ORIGINALS AND SENSITIVE MATERIALS IN REPRODUCING MACHINES
US3995835A (en) 1974-07-08 1976-12-07 Owens-Illinois, Inc. Magnetic mixer
US4679936A (en) 1982-03-26 1987-07-14 The United States Of America As Represented By The Secretary Of The Army Process and apparatus for measuring optical density changes and transit times in transparent materials
US5260661A (en) 1986-04-29 1993-11-09 Para Magnetic Logging, Inc. Calibrating and compensating influence of casing thickness variations on measurements of low frequency A.C. magnetic fields within cased boreholes to determine properties of geological formations
US5633590A (en) 1986-11-04 1997-05-27 Paramagnetic Logging, Inc. Formation resistivity measurements from within a cased well used to quantitatively determine the amount of oil and gas present
US5570024A (en) 1986-11-04 1996-10-29 Paramagnetic Logging, Inc. Determining resistivity of a formation adjacent to a borehole having casing using multiple electrodes and with resistances being defined between the electrodes
FR2645964B1 (en) * 1989-04-18 1991-07-26 Siderurgie Fse Inst Rech METHOD AND DEVICE FOR NON-DESTRUCTIVE TESTING OF MAGNETIC MATERIAL HAVING A GRADIENT OF STRUCTURE IN ITS SURFACE PART
US5038107A (en) 1989-12-21 1991-08-06 Halliburton Logging Services, Inc. Method and apparatus for making induction measurements through casing
US5132623A (en) 1990-11-20 1992-07-21 Chevron Research And Technology Company Method and apparatus for broadband measurement of dielectric properties
US5283520A (en) * 1991-04-04 1994-02-01 Martin Philip W Method of determining thickness of magnetic pipe by measuring the time it takes the pipe to reach magnetic saturation
US5150446A (en) 1991-09-16 1992-09-22 Eastman Kodak Company Conversion efficiency second harmonic generator
JP3092761B2 (en) 1991-12-02 2000-09-25 キヤノン株式会社 Image display device and method of manufacturing the same
JP3160428B2 (en) 1993-07-12 2001-04-25 株式会社東芝 Densitometer
US5698977A (en) 1993-10-12 1997-12-16 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Eddy current method for fatigue testing
EP0650028A3 (en) * 1993-10-22 1996-02-28 Magnetic Analysis Corp Method and apparatus for measurement of thickness of specimens.
WO1996018884A1 (en) 1994-12-16 1996-06-20 Tokyo Gas Co., Ltd. Electromagnetic inspection of elements of piping
FR2729227A1 (en) 1995-01-10 1996-07-12 Commissariat Energie Atomique INDUCTION MEASURING DEVICE IN THE PRESENCE OF METALLIC WALLS
US5610517A (en) 1995-06-07 1997-03-11 Vanderbilt University Method and apparatus for detecting flaws below the surface of an electrically conductive object
US5942894A (en) 1995-09-13 1999-08-24 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Radially focused eddy current sensor for detection of longitudinal flaws in metallic tubes
US6291992B1 (en) 1996-07-12 2001-09-18 Shell Oil Company Eddy current inspection technique
US5751144A (en) 1996-07-23 1998-05-12 Ndt Technologies, Incorporated Method and device including primary and auxiliary magnetic poles for nondestructive detection of structural faults
US6084403A (en) 1997-03-31 2000-07-04 Cedar Bluff Group Corporation Slim-hole collar locator and casing inspection tool with high-strength pressure housing
US6100696A (en) 1998-01-09 2000-08-08 Sinclair; Paul L. Method and apparatus for directional measurement of subsurface electrical properties
US6097532A (en) 1998-10-30 2000-08-01 The Board Of Trustees Of The Leland Stanford Junior University Method for producing electromagnetically induced transparency in atoms with hyperfine structure
DE10008051B4 (en) 2000-02-22 2006-09-28 Siemens Ag Operating method for a magnetic resonance tomograph and magnetic resonance tomograph itself
US6445187B1 (en) * 2000-04-10 2002-09-03 Jerry R. Montgomery System for the measurement of electrical characteristics of geological formations from within steel cased wells using magnetic circuits

Also Published As

Publication number Publication date
WO2002033394A3 (en) 2002-10-10
US20020043973A1 (en) 2002-04-18
US7019518B2 (en) 2006-03-28
WO2002033394A2 (en) 2002-04-25

Similar Documents

Publication Publication Date Title
EP1148315A3 (en) Capacitive thickness measurement
AU2000266068A1 (en) Gas component sensor
AU2002212258A1 (en) Assembly and method for the optical-tactile measurement of a structure
AU2002227519A1 (en) Gas sensors
AU2001233093A1 (en) Gas sensor
AU2001293299A1 (en) Planar inductive element
AU2003277879A1 (en) Sensor for detecting the direction of a magnetic field in a plane
AU2001291045A1 (en) Multi-axis magnetically actuated device
EP1310918A3 (en) Recording banknotes
GB2367773B (en) Measuring paint film thickness
AU2001229548A1 (en) Extended range proportional valve
AU2002336460A1 (en) Magnetic position sensor
EP2190002B8 (en) Method for detecting a fine geometry
AU2001296189A1 (en) Position transducer
AU2002230478A1 (en) Magnetic sheet assembly for magnetic separation
EP1403648A4 (en) Magnetic sensor
AU2002225590A1 (en) A technique for measuring the thickness of a ferromagnetic metal using permeability signatures
AU2001284070A1 (en) Method for measurement of the fracture toughness of a coating or a surface
AU2001260172A1 (en) Device for measuring layer thicknesses
AU2001237653A1 (en) A seismic sensor
HK1039659A1 (en) Electronic instrument having a magnetic sensor.
AU2002235739A1 (en) Angle measurement by magnetic transducer
AU2000229243A1 (en) Electromagnetic detection apparatus
GB2373039B (en) Position transducer
HK1036496A1 (en) Device for measuring the thickness of non-magneticfilms on ferromagnetic bases.