NO20031037D0 - 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

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Publication number
NO20031037D0
NO20031037D0 NO20031037A NO20031037A NO20031037D0 NO 20031037 D0 NO20031037 D0 NO 20031037D0 NO 20031037 A NO20031037 A NO 20031037A NO 20031037 A NO20031037 A NO 20031037A NO 20031037 D0 NO20031037 D0 NO 20031037D0
Authority
NO
Norway
Prior art keywords
phase
cycled
ringing
scan
images
Prior art date
Application number
NO20031037A
Other languages
English (en)
Other versions
NO20031037L (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

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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

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  • 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 true NO20031037D0 (no) 2003-03-06
NO20031037L 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)

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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
US8447089B2 (en) 2010-04-27 2013-05-21 Chunlei Liu Systems and methods for susceptibility tensor imaging
US9285449B2 (en) 2011-06-15 2016-03-15 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
EP3052969A1 (en) 2013-12-13 2016-08-10 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

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Also Published As

Publication number Publication date
GB2389660A (en) 2003-12-17
GB0300722D0 (en) 2003-02-12
US6518757B1 (en) 2003-02-11
NO20031037L (no) 2003-09-09
CA2415215C (en) 2006-07-18
CA2415215A1 (en) 2003-09-08
GB2389660B (en) 2004-11-24

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