ATE151176T1 - Verfahren und apparat zur messung der transporteigenschaften eines fluidums in porösen medien durch bilderzeugung mittels magnetischer kernresonanz - Google Patents

Verfahren und apparat zur messung der transporteigenschaften eines fluidums in porösen medien durch bilderzeugung mittels magnetischer kernresonanz

Info

Publication number
ATE151176T1
ATE151176T1 AT91308895T AT91308895T ATE151176T1 AT E151176 T1 ATE151176 T1 AT E151176T1 AT 91308895 T AT91308895 T AT 91308895T AT 91308895 T AT91308895 T AT 91308895T AT E151176 T1 ATE151176 T1 AT E151176T1
Authority
AT
Austria
Prior art keywords
fluid
transport properties
porous media
imaging
measuring
Prior art date
Application number
AT91308895T
Other languages
English (en)
Inventor
David Nigel Guilfoyle
Peter Mansfield
Original Assignee
British Tech Group
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 British Tech Group filed Critical British Tech Group
Application granted granted Critical
Publication of ATE151176T1 publication Critical patent/ATE151176T1/de

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
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/4816—NMR imaging of samples with ultrashort relaxation times such as solid samples, e.g. MRI using ultrashort TE [UTE], single point imaging, constant time imaging
    • 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
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/563—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution of moving material, e.g. flow contrast angiography
    • 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
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/561—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution by reduction of the scanning time, i.e. fast acquiring systems, e.g. using echo-planar pulse sequences
    • G01R33/5615—Echo train techniques involving acquiring plural, differently encoded, echo signals after one RF excitation, e.g. using gradient refocusing in echo planar imaging [EPI], RF refocusing in rapid acquisition with relaxation enhancement [RARE] or using both RF and gradient refocusing in gradient and spin echo imaging [GRASE]
    • G01R33/5616—Echo train techniques involving acquiring plural, differently encoded, echo signals after one RF excitation, e.g. using gradient refocusing in echo planar imaging [EPI], RF refocusing in rapid acquisition with relaxation enhancement [RARE] or using both RF and gradient refocusing in gradient and spin echo imaging [GRASE] using gradient refocusing, e.g. EPI
AT91308895T 1990-09-29 1991-09-27 Verfahren und apparat zur messung der transporteigenschaften eines fluidums in porösen medien durch bilderzeugung mittels magnetischer kernresonanz ATE151176T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB909021257A GB9021257D0 (en) 1990-09-29 1990-09-29 Method and apparatus for measuring the flow of a fluid through porous media by echo planar imaging

Publications (1)

Publication Number Publication Date
ATE151176T1 true ATE151176T1 (de) 1997-04-15

Family

ID=10683003

Family Applications (1)

Application Number Title Priority Date Filing Date
AT91308895T ATE151176T1 (de) 1990-09-29 1991-09-27 Verfahren und apparat zur messung der transporteigenschaften eines fluidums in porösen medien durch bilderzeugung mittels magnetischer kernresonanz

Country Status (7)

Country Link
US (1) US5278501A (de)
EP (1) EP0479509B1 (de)
JP (1) JP2975748B2 (de)
AT (1) ATE151176T1 (de)
CA (1) CA2052420C (de)
DE (1) DE69125445T2 (de)
GB (2) GB9021257D0 (de)

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US5565775A (en) * 1995-06-23 1996-10-15 Exxon Research And Engineering Company Producible fluid volumes in porous media determined by pulsed field gradient nuclear magnetic resonance
US5828214A (en) * 1996-02-23 1998-10-27 Western Atlas International, Inc. Method and apparatus for resistivity determination by nuclear magnetic resonance measurement
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US5831433A (en) * 1996-12-04 1998-11-03 Sezginer; Abdurrahman Well logging method and apparatus for NMR and resistivity measurements
US6166543A (en) * 1997-09-25 2000-12-26 Schlumberger Technology Corporation Method and apparatus for measuring nuclear magnetic resonance
WO1999053300A1 (en) * 1998-04-14 1999-10-21 California Institute Of Technology Method and system for determining analyte activity
WO1999066306A1 (en) * 1998-06-15 1999-12-23 The United States Of America Apparatus and method for determining transport properties of porous materials
US6326784B1 (en) * 1998-11-05 2001-12-04 Schlumberger Technology Corporation Nuclear magnetic resonance logging with azimuthal resolution using gradient coils
DE69941493D1 (de) 1998-11-16 2009-11-12 California Inst Of Techn Gleichzeitige bestimmung von gleichgewichts- und kinetischen eigenschaften
US6455319B1 (en) * 1999-05-10 2002-09-24 California Institute Of Technology Use of spatiotemporal response behavior in sensor arrays to detect analytes in fluids
US6631333B1 (en) * 1999-05-10 2003-10-07 California Institute Of Technology Methods for remote characterization of an odor
US7122152B2 (en) * 1999-05-10 2006-10-17 University Of Florida Spatiotemporal and geometric optimization of sensor arrays for detecting analytes fluids
US6890715B1 (en) * 1999-08-18 2005-05-10 The California Institute Of Technology Sensors of conducting and insulating composites
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US6404193B1 (en) * 2001-04-09 2002-06-11 Waters Investments Limited Solvent susceptibility compensation for coupled LC-NMR
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US7229593B1 (en) * 2001-10-25 2007-06-12 Sandia Corporation Portable vapor diffusion coefficient meter
US20050150778A1 (en) * 2002-11-18 2005-07-14 Lewis Nathan S. Use of basic polymers in carbon black composite vapor detectors to obtain enhanced sensitivity and classification performance for volatile fatty acids
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WO2013021390A1 (en) * 2011-08-10 2013-02-14 Ramot At Tel-Aviv University Ltd Magnetic resonance method for analyzing pore size distribution
US20130181706A1 (en) * 2012-01-18 2013-07-18 Baker Hughes Incorporated System and method to estimate a property of a fluid flow
ITMI20131986A1 (it) * 2013-11-28 2015-05-29 Eni Spa Metodo per la misurazione della saturazione in gas intrappolato in un campione di roccia
MY187312A (en) * 2013-12-13 2021-09-21 Shell Int Research Method of interpreting nmr signals to give multiphase fluid flow measurements for a gas/liquid system
WO2015161155A1 (en) * 2014-04-18 2015-10-22 The Johns Hopkins University A system and method for velocity selective pulses with arbitrary shape using mri
US10422841B2 (en) * 2016-04-21 2019-09-24 Regents Of The University Of Minnesota Systems and methods for designing multidimensional selective adiabatic pulses
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US10338014B2 (en) 2017-07-27 2019-07-02 Saudi Arabian Oil Company Estimating formation properties using saturation profiles
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US11614417B2 (en) 2021-07-06 2023-03-28 Saudi Arabian Oil Company Determining saturation in low resistivity pay zones
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Also Published As

Publication number Publication date
CA2052420A1 (en) 1992-03-30
US5278501A (en) 1994-01-11
EP0479509B1 (de) 1997-04-02
DE69125445D1 (de) 1997-05-07
DE69125445T2 (de) 1997-07-17
JP2975748B2 (ja) 1999-11-10
GB2251691B (en) 1994-11-02
GB2251691A (en) 1992-07-15
EP0479509A1 (de) 1992-04-08
CA2052420C (en) 2000-08-22
GB9021257D0 (en) 1990-11-14
JPH04290953A (ja) 1992-10-15
GB9120492D0 (en) 1991-11-06

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