DE69125497D1 - Vorrichtung zur erzeugung eines magnetfeldes - Google Patents

Vorrichtung zur erzeugung eines magnetfeldes

Info

Publication number
DE69125497D1
DE69125497D1 DE69125497T DE69125497T DE69125497D1 DE 69125497 D1 DE69125497 D1 DE 69125497D1 DE 69125497 T DE69125497 T DE 69125497T DE 69125497 T DE69125497 T DE 69125497T DE 69125497 D1 DE69125497 D1 DE 69125497D1
Authority
DE
Germany
Prior art keywords
generating
magnetic field
magnetic
field
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
Application number
DE69125497T
Other languages
English (en)
Other versions
DE69125497T2 (de
Inventor
Peter Hanley
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.)
Baker Hughes Holdings LLC
Original Assignee
Oxford Instruments UK 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 Oxford Instruments UK Ltd filed Critical Oxford Instruments UK Ltd
Application granted granted Critical
Publication of DE69125497D1 publication Critical patent/DE69125497D1/de
Publication of DE69125497T2 publication Critical patent/DE69125497T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/3808—Magnet assemblies for single-sided MR wherein the magnet assembly is located on one side of a subject only; Magnet assemblies for inside-out MR, e.g. for MR in a borehole or in a blood vessel, or magnet assemblies for fringe-field MR
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/387—Compensation of inhomogeneities
    • G01R33/3875—Compensation of inhomogeneities using correction coil assemblies, e.g. active shimming
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/18—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging
    • G01V3/32—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging operating with electron or nuclear magnetic resonance

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Vascular Medicine (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • Remote Sensing (AREA)
  • Geophysics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
DE69125497T 1990-10-11 1991-10-10 Vorrichtung zur erzeugung eines magnetfeldes Expired - Fee Related DE69125497T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB909022145A GB9022145D0 (en) 1990-10-11 1990-10-11 Magnetic field generating assembly
PCT/GB1991/001758 WO1992007279A1 (en) 1990-10-11 1991-10-10 Magnetic field generating assembly

Publications (2)

Publication Number Publication Date
DE69125497D1 true DE69125497D1 (de) 1997-05-07
DE69125497T2 DE69125497T2 (de) 1997-10-23

Family

ID=10683582

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69125497T Expired - Fee Related DE69125497T2 (de) 1990-10-11 1991-10-10 Vorrichtung zur erzeugung eines magnetfeldes

Country Status (6)

Country Link
US (1) US5471140A (de)
EP (1) EP0552268B1 (de)
JP (1) JPH06503884A (de)
DE (1) DE69125497T2 (de)
GB (1) GB9022145D0 (de)
WO (1) WO1992007279A1 (de)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69320360T2 (de) * 1992-11-18 1998-12-10 Oxford Instruments Plc, Witney, Oxford Kernspinresonanzgerät mit einer RF Spulenanordnung zur Erzeugung eines homogenen RF-Feldes in einem Arbeitsvolumen ausserhalb des Geräts
GB9302837D0 (en) * 1993-02-12 1993-03-31 Oxford Instr Uk Ltd Magnet assembly
FR2710780B1 (fr) * 1993-09-30 1995-10-27 Commissariat Energie Atomique Structures magnétiques ouvertes.
GB9412012D0 (en) 1994-06-15 1994-08-03 Oxford Instr Uk Ltd Magnet assembly
GB9523415D0 (en) 1995-11-15 1996-01-17 Oxford Instr Uk Ltd Magnetic field generating assembly
US5818319A (en) * 1995-12-21 1998-10-06 The University Of Queensland Magnets for magnetic resonance systems
US5757186A (en) * 1996-02-23 1998-05-26 Western Atlas International, Inc. Nuclear magnetic resonance well logging apparatus and method adapted for measurement-while-drilling
US5712566A (en) * 1996-02-23 1998-01-27 Western Atlas International, Inc. Nuclear magnetic resonance apparatus and method
GB9706266D0 (en) * 1997-03-26 1997-05-14 British Tech Group Magnetic resonance imaging apparatus
NO981173L (no) * 1997-05-02 1998-11-03 Western Atlas Int Inc NMR br°nnloggeapparat og fremgangsmÕte
GB9716993D0 (en) * 1997-08-11 1997-10-15 Oxford Instr Ltd Magnetic field generating assembly
US6184681B1 (en) 1998-03-03 2001-02-06 Schlumberger Technology Corporation Apparatus and method for computing a distribution of spin-spin relaxation times
US6246236B1 (en) 1998-03-03 2001-06-12 Schlumberger Technology Corporation Apparatus and method for obtaining a nuclear magnetic resonance measurement while drilling
US6291995B1 (en) 1998-03-03 2001-09-18 Schlumberger Technology Corporation Apparatus and method for generating a pulse sequence
US7501817B1 (en) 1998-03-03 2009-03-10 Schlumberger Technology Corporation Method and apparatus for generating an axisymmetric magnetic field
US6114851A (en) * 1999-02-12 2000-09-05 Baker Hughes Incorporated Temperature compensated nuclear magnetic resonance apparatus and method
US6348792B1 (en) * 2000-07-27 2002-02-19 Baker Hughes Incorporated Side-looking NMR probe for oil well logging
US6400149B1 (en) 2001-05-24 2002-06-04 Schlumberger Technology Corporation Nuclear magnetic resonance apparatus and method for generating an axisymmetric magnetic field having straight contour lines in the resonance region
FR2837928A1 (fr) * 2002-03-27 2003-10-03 Innov Pro Dispositif d'emission de champs magnetiques statique et induit pour systeme d'analyse par rmn
US20060084861A1 (en) * 2004-10-18 2006-04-20 Topspin Medical (Isreal) Ltd. Magnet and coil configurations for MRI probes
CN100415162C (zh) * 2005-03-09 2008-09-03 Ge医疗系统环球技术有限公司 磁体系统和磁共振成像系统
GB2449032B (en) * 2006-02-17 2009-12-23 Baker Hughes Inc Compensation of magnetic influence in a mwd system
WO2008074161A1 (en) * 2006-12-21 2008-06-26 Athena Industrial Technologies Inc. Linear structure inspection apparatus and method
GB0820043D0 (en) * 2008-10-31 2008-12-10 Emscan Ltd Electromagnet assembly
WO2015031026A1 (en) 2013-08-30 2015-03-05 Halliburton Energy Services, Inc. Downhole nuclear magnetic resonance (nmr) tool with transversal-dipole antenna configuration
JP3213036U (ja) 2014-09-19 2017-10-19 アップル インコーポレイテッド 平衡状態の磁気アレイ
RU2583881C1 (ru) * 2014-12-31 2016-05-10 Федеральное государственное автономное образовательное учреждение высшего профессионального образования "Казанский (Приволжский) Федеральный Университет" (ФГАОУ ВПО КФУ) Устройство для осуществления ядерного магнитного каротажа в поле постоянного магнита
RU2645909C1 (ru) * 2016-12-26 2018-02-28 федеральное государственное автономное образовательное учреждение высшего образования "Казанский (Приволжский) федеральный университет" (ФГАОУ ВО КФУ) Способ ядерного магнитного каротажа и устройство для его реализации
RU2679630C1 (ru) * 2018-05-21 2019-02-12 федеральное государственное автономное образовательное учреждение высшего образования "Казанский (Приволжский) федеральный университет" (ФГАОУ ВО КФУ) Способ ядерного магнитного каротажа и устройство для его реализации
EA038050B1 (ru) * 2019-01-30 2021-06-29 Общество с Ограниченной Ответственностью "ТНГ-Групп" Способ ядерного магнитного каротажа и устройство для его реализации
CN117647553B (zh) * 2024-01-30 2024-04-30 中国科学院武汉岩土力学研究所 一种多探头核磁共振岩土原位监测方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB241235A (en) * 1923-05-09 1925-11-09 United Shoe Machinery Corp Improvements in or relating to automatic shoe machines
US4350955A (en) * 1980-10-10 1982-09-21 The United States Of America As Represented By The United States Department Of Energy Magnetic resonance apparatus
GB2141236B (en) * 1983-06-09 1986-12-10 Nat Res Dev Nuclear magnetic logging
JPS60194339A (ja) * 1984-03-15 1985-10-02 Toshiba Corp 核磁気共鳴装置
US4621236A (en) * 1985-02-11 1986-11-04 Field Effects, Inc. Cylindrical electromagnet for an NMR imaging system
US4714881A (en) * 1986-07-15 1987-12-22 Mobil Oil Corporation Nuclear magnetic resonance borehole logging tool
US4717876A (en) * 1986-08-13 1988-01-05 Numar NMR magnet system for well logging
EP0295134A2 (de) * 1987-06-11 1988-12-14 Numar Corporation Kernspinresonanzüberprüfungsverfahren und -geräte

Also Published As

Publication number Publication date
EP0552268A1 (de) 1993-07-28
DE69125497T2 (de) 1997-10-23
EP0552268B1 (de) 1997-04-02
US5471140A (en) 1995-11-28
GB9022145D0 (en) 1990-11-21
JPH06503884A (ja) 1994-04-28
WO1992007279A1 (en) 1992-04-30

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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: BAKER HUGHES INCORPORATED (N.D.GES.D. STAATES DELA

8339 Ceased/non-payment of the annual fee