MX2016006258A - Ciclos de fase transitoria unica durante la adquisicion de eco de espin. - Google Patents

Ciclos de fase transitoria unica durante la adquisicion de eco de espin.

Info

Publication number
MX2016006258A
MX2016006258A MX2016006258A MX2016006258A MX2016006258A MX 2016006258 A MX2016006258 A MX 2016006258A MX 2016006258 A MX2016006258 A MX 2016006258A MX 2016006258 A MX2016006258 A MX 2016006258A MX 2016006258 A MX2016006258 A MX 2016006258A
Authority
MX
Mexico
Prior art keywords
pulse
phase
center
refocusing
train
Prior art date
Application number
MX2016006258A
Other languages
English (en)
Inventor
Paul Ganssle
Shriram Sarvotham
Original Assignee
Halliburton Energy Services 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 Halliburton Energy Services Inc filed Critical Halliburton Energy Services Inc
Publication of MX2016006258A publication Critical patent/MX2016006258A/es

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
    • 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
    • G01N24/10—Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects by using electron paramagnetic resonance
    • 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
    • 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
    • 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]
    • G01R33/46—NMR spectroscopy
    • 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]
    • G01R33/5617—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 RF refocusing, e.g. RARE
    • 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
    • G01R33/60—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using electron paramagnetic resonance

Landscapes

  • Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Immunology (AREA)
  • General Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Analytical Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geophysics (AREA)
  • Remote Sensing (AREA)
  • Signal Processing (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)

Abstract

Una secuencia de pulsos de ejemplo para realizar una selección de orden por coherencia de fase dentro de una adquisición transitoria única incluye un pulso de excitación con un ángulo de inclinación de 90° y fase FA , seguida de un tren de N pulsos de reenfoque con ángulos de inclinación de 180°, donde el centro del primer pulso de reenfoque ocurre tiempo t después del centro del pulso de excitación, y el centro del ?th pulso de reenfoque ocurre en el tiempo (2?+1)t después del centro del pulso de excitación. Esto provoca un tren de ecos que se forma en los tiempos 2?t después del centro del pulso de excitación. En este ejemplo, el primer pulso de reenfoque tiene una fase FB, donde |FB - FA I = 90' y cada pulso de reenfoque 304 sucesivo tiene una fase Fd mayor que el último pulso de reenfoque. Este cambio incremental en la fase de pulso en el transcurso del tren de eco tiene el efecto de de ?arrastrar? de forma adiabática la fase de eco alrededor del círculo unitario de manera predecible, lo que corresponde al orden de coherencia de fase de las señales pertinentes.
MX2016006258A 2013-12-13 2013-12-13 Ciclos de fase transitoria unica durante la adquisicion de eco de espin. MX2016006258A (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2013/075148 WO2015088566A1 (en) 2013-12-13 2013-12-13 Single-transient phase cycling during spin echo acquisition

Publications (1)

Publication Number Publication Date
MX2016006258A true MX2016006258A (es) 2016-07-26

Family

ID=53371656

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2016006258A MX2016006258A (es) 2013-12-13 2013-12-13 Ciclos de fase transitoria unica durante la adquisicion de eco de espin.

Country Status (5)

Country Link
US (1) US10241172B2 (es)
EP (1) EP3052969A1 (es)
BR (1) BR112016011753A2 (es)
MX (1) MX2016006258A (es)
WO (1) WO2015088566A1 (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8970217B1 (en) 2010-04-14 2015-03-03 Hypres, Inc. System and method for noise reduction in magnetic resonance imaging
US10656108B2 (en) 2017-12-22 2020-05-19 Saudi Arabian Oil Company Measuring source rock potential using a quantum electronic scanner
US11125903B2 (en) 2018-01-03 2021-09-21 Halliburton Energy Services, Inc. Nuclear magnetic resonance sequence for partially polarized echo trains

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6956371B2 (en) * 1995-10-12 2005-10-18 Halliburton Energy Services, Inc. Method and apparatus for detecting diffusion sensitive phases with estimation of residual error in NMR logs
US6204663B1 (en) 1997-03-26 2001-03-20 Numar Corporation Pulse sequence and method for suppression of magneto-acoustic artifacts in NMR data
US6121774A (en) * 1998-06-22 2000-09-19 Schlumberger Technology Corporation Method for eliminating ringing during a nuclear magnetic resonance measurement
US6429654B1 (en) 1998-09-11 2002-08-06 Baker Hughes Incorporated Nuclear magnetic resonance pulse sequence for improving signal-to-noise ratio
TW475104B (en) 1998-12-28 2002-02-01 Foxconn Prec Components Co Ltd Computer heat dissipating system
US6570381B1 (en) * 1999-03-25 2003-05-27 Schlumberger Technology Corporation Nuclear magnetic resonance well logging method and apparatus
US6400150B1 (en) * 2001-04-02 2002-06-04 Regents Of The University Of Minnesota NMR spectroscopy data recovery method and apparatus
US6690167B2 (en) 2001-10-12 2004-02-10 Baker Hughes Incorporated Nuclear magnetic resonance pulse sequence with refocusing pulses having reduced tipping angle
DE60222698T2 (de) 2001-12-18 2008-06-19 Merck & Co., Inc. Heteroarylsubstituierte triazolmodulatoren des metabotropen glutamatarezeptors 5
US6518757B1 (en) 2002-03-08 2003-02-11 Schlumberger Technology Corporation Use of CPMG sequences with phase cycled refocusing pulses in inside-out NMR for phase encoded imaging and to eliminate coherent ringing within one scan
US20040006619A1 (en) * 2002-07-02 2004-01-08 Fujitsu Network Communications, Inc. Structure for event reporting in SNMP systems
US6956370B2 (en) * 2002-10-04 2005-10-18 Schlumberger Technology Corporation Method for reducing ringing in NMR measurements by combining NMR signals having a spin echo and spurious signal component
US7454177B2 (en) 2003-12-08 2008-11-18 Kyocera Wireless Corp. Wireless communication device with enhanced feature set
US7126333B2 (en) * 2004-04-19 2006-10-24 Baker Hughes Incorporated Method and apparatus for correcting ringing in NMR signals
US7180287B2 (en) * 2004-05-05 2007-02-20 Baker Hughes Incorporated Reduction of motion artifacts in NMR
US7034529B2 (en) 2004-06-10 2006-04-25 Baker Hughes Incorporated Phase-alternated Carr-Purcell NMR echo sequence
US7196516B2 (en) * 2004-08-16 2007-03-27 Baker Hughes Incorporated Correction of NMR artifacts due to constant-velocity axial motion and spin-lattice relaxation
US20070032956A1 (en) * 2004-11-22 2007-02-08 Baker Hughes Incorporated Fast T1 measurement by using driven equilibrium
JP2012061306A (ja) * 2010-08-16 2012-03-29 Toshiba Corp 磁気共鳴イメージング装置

Also Published As

Publication number Publication date
US10241172B2 (en) 2019-03-26
BR112016011753A2 (pt) 2020-11-03
US20160054412A1 (en) 2016-02-25
WO2015088566A1 (en) 2015-06-18
EP3052969A1 (en) 2016-08-10

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