IL126049A - Multiple frequency method for nuclear magnetic resonance longitudinal relaxation measurement and pulsing sequence for power use optimization - Google Patents

Multiple frequency method for nuclear magnetic resonance longitudinal relaxation measurement and pulsing sequence for power use optimization

Info

Publication number
IL126049A
IL126049A IL12604998A IL12604998A IL126049A IL 126049 A IL126049 A IL 126049A IL 12604998 A IL12604998 A IL 12604998A IL 12604998 A IL12604998 A IL 12604998A IL 126049 A IL126049 A IL 126049A
Authority
IL
Israel
Prior art keywords
cpmg
echo
additional
nmr
sequence
Prior art date
Application number
IL12604998A
Other languages
English (en)
Other versions
IL126049A0 (en
Original Assignee
Western Atlas Int Inc
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 Western Atlas Int Inc filed Critical Western Atlas Int Inc
Priority to IL14549198A priority Critical patent/IL145491A/xx
Publication of IL126049A0 publication Critical patent/IL126049A0/xx
Priority to IL14549101A priority patent/IL145491A0/xx
Publication of IL126049A publication Critical patent/IL126049A/en

Links

Classifications

    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N24/00—Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects
    • G01N24/08—Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects by using nuclear magnetic resonance
    • G01N24/081—Making measurements of geologic samples, e.g. measurements of moisture, pH, porosity, permeability, tortuosity or viscosity
    • 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
    • G01R33/50—NMR imaging systems based on the determination of relaxation times, e.g. T1 measurement by IR sequences; T2 measurement by multiple-echo sequences

Landscapes

  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • Geophysics (AREA)
  • Biochemistry (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Remote Sensing (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Geophysics And Detection Of Objects (AREA)
IL12604998A 1997-10-01 1998-09-02 Multiple frequency method for nuclear magnetic resonance longitudinal relaxation measurement and pulsing sequence for power use optimization IL126049A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IL14549198A IL145491A (en) 1997-10-01 1998-09-02 Multiple frequency method for nuclear magnetic resonance longitudinal relaxation measurement and pulsing sequence for power use optimization
IL14549101A IL145491A0 (en) 1997-10-01 2001-09-16 Multiple frequency method for nuclear magnetic resonance longitudinal relaxation measurement and pulsing sequence for power use optimization

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/942,123 US6049205A (en) 1997-10-01 1997-10-01 Multiple frequency method for nuclear magnetic resonance longitudinal relaxation measurement and pulsing sequence for power use optimization

Publications (2)

Publication Number Publication Date
IL126049A0 IL126049A0 (en) 1999-05-09
IL126049A true IL126049A (en) 2002-08-14

Family

ID=25477609

Family Applications (1)

Application Number Title Priority Date Filing Date
IL12604998A IL126049A (en) 1997-10-01 1998-09-02 Multiple frequency method for nuclear magnetic resonance longitudinal relaxation measurement and pulsing sequence for power use optimization

Country Status (7)

Country Link
US (2) US6049205A (no)
CA (1) CA2246298C (no)
FR (1) FR2769096B1 (no)
GB (1) GB2330658B (no)
ID (1) ID21093A (no)
IL (1) IL126049A (no)
NO (2) NO321432B1 (no)

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6512371B2 (en) 1995-10-12 2003-01-28 Halliburton Energy Services, Inc. System and method for determining oil, water and gas saturations for low-field gradient NMR logging tools
US6531868B2 (en) * 1996-12-30 2003-03-11 Halliburton Energy Services, Inc. System and methods for formation evaluation while drilling
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
US6377042B1 (en) * 1998-08-31 2002-04-23 Numar Corporation Method and apparatus for merging of NMR echo trains in the time domain
US6366087B1 (en) 1998-10-30 2002-04-02 George Richard Coates NMR logging apparatus and methods for fluid typing
US6661226B1 (en) * 1999-08-13 2003-12-09 Halliburton Energy Services, Inc. NMR apparatus and methods for measuring volumes of hydrocarbon gas and oil
US6255819B1 (en) 1999-10-25 2001-07-03 Halliburton Energy Services, Inc. System and method for geologically-enhanced magnetic resonance imaging logs
US6522136B1 (en) * 1999-12-10 2003-02-18 Schlumberger Technology Corporation Well logging technique and apparatus for determining pore characteristics of earth formations using magnetic resonance
US6541969B2 (en) * 1999-12-15 2003-04-01 Halliburton Energy Services, Inc. Method and apparatus for improving the vertical resolution of NMR logs
US6600315B1 (en) * 2000-03-03 2003-07-29 Schlumberger Technology Corporation Method for improving resolution of nuclear magnetic resonance measurements by combining low resolution high accuracy measurements with high resolution low accuracy measurements
US6597170B1 (en) 2000-06-29 2003-07-22 Baker Hughes Incorporated Optimal excitation pulse shaping for multi-frequency measurements in NMR logging
US6577125B2 (en) 2000-12-18 2003-06-10 Halliburton Energy Services, Inc. Temperature compensated magnetic field apparatus for NMR measurements
US6452389B1 (en) 2001-02-07 2002-09-17 Baker Hughes Incorporated NMR pulse sequences for increasing the efficiency of acquisition
US6518755B2 (en) 2001-04-10 2003-02-11 Baker Hughes Incorporated Measurement technique and apparatus for high-resolution multi-volume NMR well logging
US20020175682A1 (en) 2001-05-23 2002-11-28 Songhua Chen Rapid nmr multi-frequency t1 and t2 acquisition for earth formations evaluation with mwd or wireline tools
US6525534B2 (en) * 2001-06-15 2003-02-25 Halliburton Energy Services, Inc. System and methods for NMR signal processing without phase alternated pair stacking
US6650114B2 (en) * 2001-06-28 2003-11-18 Baker Hughes Incorporated NMR data acquisition with multiple interecho spacing
US6693557B2 (en) 2001-09-27 2004-02-17 Wavetronix Llc Vehicular traffic sensor
US6972564B2 (en) * 2001-11-06 2005-12-06 Baker Hughes Incorporated Objective oriented methods for NMR log acquisitions for estimating earth formation and fluid properties
FR2832255B1 (fr) * 2001-11-13 2004-11-26 France Telecom Peigne et procede de derivation d'un cablage preexistant
US6838875B2 (en) * 2002-05-10 2005-01-04 Schlumberger Technology Corporation Processing NMR data in the presence of coherent ringing
US6833698B2 (en) * 2002-05-15 2004-12-21 Chevrontexaco U.S.A. Inc. Methods of decoupling diffusion effects from relaxation times to determine properties of porous media containing fluids
US6856132B2 (en) 2002-11-08 2005-02-15 Shell Oil Company Method and apparatus for subterranean formation flow imaging
US6937014B2 (en) * 2003-03-24 2005-08-30 Chevron U.S.A. Inc. Method for obtaining multi-dimensional proton density distributions from a system of nuclear spins
EP1642156B1 (en) * 2003-05-02 2020-03-04 Halliburton Energy Services, Inc. Systems and methods for nmr logging
US7667459B2 (en) * 2003-07-08 2010-02-23 New York University Method, system and software arrangement, for measuring magnetic field correlation
US7301337B2 (en) * 2003-09-30 2007-11-27 Baker Hughes Incorporated Frequency dithering to avoid excitation pulse ringing
BRPI0414998A (pt) * 2003-10-03 2006-11-21 Halliburton Energy Serv Inc métodos para identificar gás em uma formação geológica, para analisar formações geológicas, e de rmn para analisar formações geológicas, e sistema
WO2005067569A2 (en) * 2004-01-04 2005-07-28 Halliburton Energy Services, Inc. Method and apparatus for detecting hydrocarbons with nmr logs in wells drilled with oil-based muds
US7180287B2 (en) * 2004-05-05 2007-02-20 Baker Hughes Incorporated Reduction of motion artifacts in NMR
ITBO20050445A1 (it) * 2005-07-01 2007-01-02 Alma Mater Studiorum Uni Di Bologna Sequenza di impulsi per acquisire dati di risonanza magnetica nucleare in funzione del rilassamento longitudinale
US8665113B2 (en) 2005-10-31 2014-03-04 Wavetronix Llc Detecting roadway targets across beams including filtering computed positions
US7565246B2 (en) * 2007-03-22 2009-07-21 Baker Hughes Incorporated Determination of gas saturation radial profile from multi-frequency NMR data
US9052409B2 (en) * 2008-07-11 2015-06-09 Schlumberger Technology Corporation Monte Carlo method for laplace inversion of NMR data
US8970217B1 (en) 2010-04-14 2015-03-03 Hypres, Inc. System and method for noise reduction in magnetic resonance imaging
US8737244B2 (en) * 2010-11-29 2014-05-27 Rosemount Inc. Wireless sensor network access point and device RF spectrum analysis system and method
US10132894B2 (en) * 2012-01-11 2018-11-20 Schlumberger Technology Corporation Magnetic resonance imaging methods
US10353104B2 (en) * 2012-03-29 2019-07-16 Baker Hughes, A Ge Company, Llc Carbonate permeability by pore typing
US9412271B2 (en) 2013-01-30 2016-08-09 Wavetronix Llc Traffic flow through an intersection by reducing platoon interference
US10393911B2 (en) * 2013-04-19 2019-08-27 Halliburton Energy Services, Inc. Nuclear magnetic resonance (NMR) interecho interval control methods and systems
US9851315B2 (en) 2014-12-11 2017-12-26 Chevron U.S.A. Inc. Methods for quantitative characterization of asphaltenes in solutions using two-dimensional low-field NMR measurement
US10061053B2 (en) * 2015-04-30 2018-08-28 Baker Hughes, A Ge Company, Llc NMR T2 distribution from simultaneous T1 and T2 inversions for geologic applications
CN105866653B (zh) * 2016-03-28 2018-05-25 工业和信息化部电子第五研究所 多灵敏区单粒子效应预计的方法和系统
US10634746B2 (en) 2016-03-29 2020-04-28 Chevron U.S.A. Inc. NMR measured pore fluid phase behavior measurements
US11125903B2 (en) 2018-01-03 2021-09-21 Halliburton Energy Services, Inc. Nuclear magnetic resonance sequence for partially polarized echo trains
CN111965719B (zh) * 2020-07-21 2024-03-15 中海油田服务股份有限公司 一种弛豫时间测量方法和装置
US11815482B2 (en) * 2021-05-31 2023-11-14 Arcady Reiderman Method and apparatus for high-throughput nuclear magnetic resonance measurements on borehole materials

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL76009A (en) * 1985-08-02 1989-08-15 Elscint Ltd Method for acquiring in-vivo magnetic resonance spectroscopic data
US5055787A (en) * 1986-08-27 1991-10-08 Schlumberger Technology Corporation Borehole measurement of NMR characteristics of earth formations
US4933638A (en) * 1986-08-27 1990-06-12 Schlumber Technology Corp. Borehole measurement of NMR characteristics of earth formations, and interpretations thereof
DE69633788T2 (de) * 1995-09-25 2005-10-27 Numar Corp. Lithologie unabhängige gradient-nmr gasdetektion
US5712566A (en) * 1996-02-23 1998-01-27 Western Atlas International, Inc. Nuclear magnetic resonance apparatus and method
US5828214A (en) * 1996-02-23 1998-10-27 Western Atlas International, Inc. Method and apparatus for resistivity determination by nuclear magnetic resonance measurement
US6005389A (en) * 1996-03-15 1999-12-21 Numar Corporation Pulse sequences and interpretation techniques for NMR measurements
US6051973A (en) * 1996-12-30 2000-04-18 Numar Corporation Method for formation evaluation while drilling
US6084404A (en) * 1998-03-06 2000-07-04 Iowa State University Research Foundation, Inc. Apparatus and method for on-line barkhausen measurement

Also Published As

Publication number Publication date
IL126049A0 (en) 1999-05-09
NO983890D0 (no) 1998-08-25
NO321432B1 (no) 2006-05-08
GB2330658A (en) 1999-04-28
CA2246298A1 (en) 1999-04-01
NO20053392D0 (no) 2005-07-12
FR2769096B1 (fr) 2001-01-19
GB2330658B (en) 2002-03-20
GB9819055D0 (en) 1998-10-28
US6344744B2 (en) 2002-02-05
NO20053392L (no) 1999-04-06
NO321497B1 (no) 2006-05-15
ID21093A (id) 1999-04-15
US6049205A (en) 2000-04-11
NO983890L (no) 1999-04-06
CA2246298C (en) 2004-11-23
FR2769096A1 (fr) 1999-04-02
US20010054897A1 (en) 2001-12-27

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