NO20031037L - Bruk av CPMG sekvenser med fasesyklede refokuseringspulser i innside-ut NMRfor fasekoding av bilder og for å eliminere koherent ringing iett skann - Google Patents

Bruk av CPMG sekvenser med fasesyklede refokuseringspulser i innside-ut NMRfor fasekoding av bilder og for å eliminere koherent ringing iett skann

Info

Publication number
NO20031037L
NO20031037L NO20031037A NO20031037A NO20031037L NO 20031037 L NO20031037 L NO 20031037L NO 20031037 A NO20031037 A NO 20031037A NO 20031037 A NO20031037 A NO 20031037A NO 20031037 L NO20031037 L NO 20031037L
Authority
NO
Norway
Prior art keywords
phase
cycled
ringing
scan
images
Prior art date
Application number
NO20031037A
Other languages
English (en)
Other versions
NO20031037D0 (no
Inventor
Peter Speier
Original Assignee
Schlumberger Technology Bv
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 Schlumberger Technology Bv filed Critical Schlumberger Technology Bv
Publication of NO20031037D0 publication Critical patent/NO20031037D0/no
Publication of NO20031037L publication Critical patent/NO20031037L/no

Links

Classifications

    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
NO20031037A 2002-03-08 2003-03-06 Bruk av CPMG sekvenser med fasesyklede refokuseringspulser i innside-ut NMRfor fasekoding av bilder og for å eliminere koherent ringing iett skann NO20031037L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/094,564 US6518757B1 (en) 2002-03-08 2002-03-08 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

Publications (2)

Publication Number Publication Date
NO20031037D0 NO20031037D0 (no) 2003-03-06
NO20031037L true NO20031037L (no) 2003-09-09

Family

ID=22245917

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20031037A NO20031037L (no) 2002-03-08 2003-03-06 Bruk av CPMG sekvenser med fasesyklede refokuseringspulser i innside-ut NMRfor fasekoding av bilder og for å eliminere koherent ringing iett skann

Country Status (4)

Country Link
US (1) US6518757B1 (no)
CA (1) CA2415215C (no)
GB (1) GB2389660B (no)
NO (1) NO20031037L (no)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6566874B1 (en) * 1998-07-30 2003-05-20 Schlumberger Technology Corporation Detecting tool motion effects on nuclear magnetic resonance measurements
US6492809B1 (en) * 1998-12-04 2002-12-10 Schlumberger Technology Corporation Preconditioning spins near a nuclear magnetic resonance region
US6528995B1 (en) * 2001-09-10 2003-03-04 Schlumberger Technology Corporation Methods and apparatus for measuring flow velocity in a wellbore using NMR and applications using same
US6686737B2 (en) * 2001-10-12 2004-02-03 Baker Hughes Incorporated Amplitude and/or phase modulated NMR pulse sequences
US6859032B2 (en) * 2001-12-18 2005-02-22 Schlumberger Technology Corporation Method for determining molecular properties of hydrocarbon mixtures from NMR data
US6774628B2 (en) * 2002-01-18 2004-08-10 Schlumberger Technology Corporation Nuclear magnetic resonance imaging using phase encoding with non-linear gradient fields
US6838875B2 (en) * 2002-05-10 2005-01-04 Schlumberger Technology Corporation Processing NMR data in the presence of coherent ringing
US6714009B2 (en) * 2002-05-16 2004-03-30 Schlumberger Technology Corporation Method for the inversion of CPMG measurements enhanced by often repeated short wait time measurements
US6765380B2 (en) * 2002-05-23 2004-07-20 Schlumberger Technology Corporation Determining wettability of an oil reservoir using borehole NMR measurements
US6937013B2 (en) * 2002-06-19 2005-08-30 Schlumberger Technology Corporation NMR tool for making formation evaluation measurements using gradient echoes
US6867589B2 (en) * 2002-08-09 2005-03-15 Schlumberger Technology Corporation Method for detecting hydrocarbons from NMR data
US6703832B2 (en) * 2002-08-12 2004-03-09 Schlumberger Technology Corporation Method for detecting hydrocarbons by comparing NMR response at different depths of investigation
US6859033B2 (en) * 2002-08-28 2005-02-22 Schlumberger Technology Corporation Method for magnetic resonance fluid characterization
US6781371B2 (en) * 2002-09-06 2004-08-24 Schlumberger Technology Corporation High vertical resolution antennas for NMR logging
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
US6808028B2 (en) * 2002-12-03 2004-10-26 Schlumberger Technology Corporation Method and apparatus utilizing NMR measurements to gather information on a property of the earth formation surrounding a wellbore
US6960913B2 (en) * 2003-01-14 2005-11-01 Schlumberger Technology Corporation Multi-measurement NMR analysis based on maximum entropy
US7034528B2 (en) * 2003-02-27 2006-04-25 Schlumberger Technology Corporation Methods for formation evaluation based on multi-dimensional representation of nuclear magnetic resonance data
US6958604B2 (en) * 2003-06-23 2005-10-25 Schlumberger Technology Corporation Apparatus and methods for J-edit nuclear magnetic resonance measurement
US6952100B1 (en) * 2004-04-29 2005-10-04 Ge Medical Systems Global Technology, Inc. Phase controlled surface coil magnetic resonance imaging
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
US7787930B2 (en) * 2005-04-25 2010-08-31 The United States Of America As Represented By The Department Of Health And Human Services Adiabatic T2 preparation sequence for magnetic resonance imaging with reduced B1 sensitivity
US7459907B2 (en) * 2006-12-28 2008-12-02 Schlumberger Technology Corporation Flow measurement using NMR
DE102008014060B4 (de) * 2008-03-13 2010-06-17 Siemens Aktiengesellschaft Verfahren zur Bestimmung einer Phasenlage einer Magnetisierung und Magnetresonanzanlage
DE102008032155B4 (de) * 2008-07-08 2010-05-12 Siemens Aktiengesellschaft Verfahren zur Erzeugung einer Anregung in einem Untersuchungsobjekt und Magnetresonanzanlage
WO2011139745A2 (en) 2010-04-27 2011-11-10 Chunlei Liu Systems and methods for susceptibility tensor imaging
WO2012174177A2 (en) * 2011-06-15 2012-12-20 Chunlei Liu Systems and methods for imaging and quantifying tissue magnetism with magnetic resonance imaging
US10585204B2 (en) * 2012-01-27 2020-03-10 Vista Clara Inc. Relaxation time estimation in surface NMR
WO2015088566A1 (en) 2013-12-13 2015-06-18 Halliburton Energy Services, Inc. Single-transient phase cycling during spin echo acquisition
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
DE102017220697A1 (de) * 2017-11-20 2019-05-23 Siemens Healthcare Gmbh Verfahren zum Betreiben einer MRT-Anlage und MRT-Anlage

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4521733A (en) * 1983-05-23 1985-06-04 General Electric Company NMR Imaging of the transverse relaxation time using multiple spin echo sequences
JPH0685768B2 (ja) * 1986-06-04 1994-11-02 株式会社日立製作所 核磁気共鳴を用いた検査方法
US5055787A (en) 1986-08-27 1991-10-08 Schlumberger Technology Corporation Borehole measurement of NMR characteristics of earth formations
DE69321653T2 (de) * 1992-05-27 1999-05-20 Koninkl Philips Electronics Nv Verfahren und Gerät zur Bilderzeugung mittels magnetischer Resonanz
US5304930A (en) * 1993-02-01 1994-04-19 Panacea Medical Laboratories Remotely positioned MRI system
US5572132A (en) 1995-08-15 1996-11-05 Pulyer; Yuly M. MRI probe for external imaging
EP1071971A4 (en) * 1998-04-13 2004-04-21 Univ Pennsylvania SINGLE-PULSE RARE SEQUENCE PHASE NON-SENSITIVE PREPARATION FOR BROADCAST IMAGE FORMATION
US6429654B1 (en) * 1998-09-11 2002-08-06 Baker Hughes Incorporated Nuclear magnetic resonance pulse sequence for improving signal-to-noise ratio
US6466013B1 (en) * 1999-04-19 2002-10-15 Baker Hughes Incorporated Nuclear magnetic resonance measurements in well logging using an optimized rephasing pulse sequence
US6522137B1 (en) * 2000-06-28 2003-02-18 Schlumberger Technology Corporation Two-dimensional magnetic resonance imaging in a borehole
AU2001280678A1 (en) * 2000-07-21 2002-02-05 Schlumberger Holdings Limited Nuclear magnetic resonance measurements and methods of analyzing nuclear magnetic resonance data
US6388441B1 (en) * 2000-10-18 2002-05-14 Baker Hughes Incorporated Method for processing NMR data without phase-alternating-pair (PAP) averaging
AU2002351916B2 (en) * 2001-11-06 2007-08-23 Shell Internationale Research Maatschappij B.V. Method and apparatus for subterranean formation flow imaging

Also Published As

Publication number Publication date
GB2389660A (en) 2003-12-17
US6518757B1 (en) 2003-02-11
NO20031037D0 (no) 2003-03-06
GB0300722D0 (en) 2003-02-12
CA2415215A1 (en) 2003-09-08
CA2415215C (en) 2006-07-18
GB2389660B (en) 2004-11-24

Similar Documents

Publication Publication Date Title
NO20031037L (no) Bruk av CPMG sekvenser med fasesyklede refokuseringspulser i innside-ut NMRfor fasekoding av bilder og for å eliminere koherent ringing iett skann
DE69418404T2 (de) Korrektur der Polarität des Auslesegradienten in Bilderzeugung durch EPI und GRASE magnetische Resonanz
NO20043993L (no) Stokastisk NMR for nedihulls anvendelse
GB2354326B (en) Nuclear magnetic resonance measurements in well logging using an optimized rephasing pulse sequence
NO20030888L (no) Kombinert karakterisering og inversjon av reservoar-parametre fra nukle¶re,NMR-, og resistivitetsmålinger
DE69519752T2 (de) Freie heterocyclische Methylradikale als Bildverbesserungsmittel
DE60333980D1 (de) Gekühlter NMR-Probenkopf
GB2367624B (en) Optimizing characteristics of rf pulses used in nmr measurements
DE60122818D1 (de) Selbstkorrektur von Bewegungsartefakten in MR-Projektionsbildern
NO20030245D0 (no) NMR-avbildning med bruk av fasekoding
FR2849982B1 (fr) Decodage d'une image numerique codee selon plusieurs niveaux de resolution
GB2430268A (en) Phase-alternated carr-purcell nmr echo sequence
ITMI20040678A1 (it) Uso di composti per il trattamento antibiotico sostitutivo preferibilmente ma non esclusivamente in zootecnia
GB0323048D0 (en) Method for reducing ringing in nuclear magnetic resonance measurements
ATE361103T1 (de) Verwendung von perfluoralkylhaltigen metallkomplexen als kontrastmittel im mr-imaging zur darstellung von intravasalen thromben
DE69933333D1 (de) Verringerung von Geist-Artefakten in schnellen Spin-Echosequenzen für die Magnetresonanzbildgebung
DE60125134D1 (de) Reduktion des Maxwell-Terms in der bildgebenden magnetischen Resonanz mit Flusskodierung
DK1280527T3 (da) Anvendelse af substituerede acryloyldistamycinderivater til behandling af tumorer associeret med höje niveauer af glutathion
FI20030664A0 (fi) In vivo -kuvantaminen käyttäen peptidijohdannaisia
Korzhnev et al. Backbone dynamics of the channel-forming antibiotic zervamicin IIB studied by 15N NMR relaxation
GB2436037A (en) Fast T1 measurement of an earth formation by using driven equilibrium
FI20030714A0 (fi) Peräkkäisten kuvien koodaaminen
GB0311015D0 (en) Enhancement of the sensitivity and spatial resolution of in vivo luminescence imaging using bio compatible chemical agents
GB2363848B (en) Nuclear magnetic resonance measurements in well logging using an optimized rephasing pulse sequence
Yoneda et al. Clear delineation of optic radiation and very small vessels using phase difference enhanced imaging (PADRE)