NO20031425L - Kjernemagnetisk resonans-pulssekvens for optimalisering av strömforbruket til et instrument - Google Patents

Kjernemagnetisk resonans-pulssekvens for optimalisering av strömforbruket til et instrument

Info

Publication number
NO20031425L
NO20031425L NO20031425A NO20031425A NO20031425L NO 20031425 L NO20031425 L NO 20031425L NO 20031425 A NO20031425 A NO 20031425A NO 20031425 A NO20031425 A NO 20031425A NO 20031425 L NO20031425 L NO 20031425L
Authority
NO
Norway
Prior art keywords
instrument
magnetic resonance
nuclear magnetic
current consumption
pulse sequence
Prior art date
Application number
NO20031425A
Other languages
English (en)
Other versions
NO20031425D0 (no
Inventor
Arcady Reiderman
Gregory B Itskovich
Original Assignee
Baker Hughes 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 Baker Hughes Inc filed Critical Baker Hughes Inc
Publication of NO20031425D0 publication Critical patent/NO20031425D0/no
Publication of NO20031425L publication Critical patent/NO20031425L/no

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
    • 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)
  • High Energy & Nuclear Physics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Immunology (AREA)
  • General Health & Medical Sciences (AREA)
  • Geology (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geophysics (AREA)
  • Remote Sensing (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
NO20031425A 2000-09-28 2003-03-27 Kjernemagnetisk resonans-pulssekvens for optimalisering av strömforbruket til et instrument NO20031425L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/672,413 US6429654B1 (en) 1998-09-11 2000-09-28 Nuclear magnetic resonance pulse sequence for improving signal-to-noise ratio
PCT/US2001/030737 WO2002027356A1 (en) 2000-09-28 2001-09-28 Nmr sequence for optimizing instrument electrical power usage

Publications (2)

Publication Number Publication Date
NO20031425D0 NO20031425D0 (no) 2003-03-27
NO20031425L true NO20031425L (no) 2003-05-27

Family

ID=24698439

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20031425A NO20031425L (no) 2000-09-28 2003-03-27 Kjernemagnetisk resonans-pulssekvens for optimalisering av strömforbruket til et instrument

Country Status (5)

Country Link
US (1) US6429654B1 (no)
EP (1) EP1328830B1 (no)
CA (1) CA2424034C (no)
NO (1) NO20031425L (no)
WO (1) WO2002027356A1 (no)

Families Citing this family (20)

* 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
US6624629B1 (en) * 2000-05-08 2003-09-23 Schlumberger Technology Corporation Optimizing characteristics of RF pulses used in NMR measurements
US6690167B2 (en) * 2001-10-12 2004-02-10 Baker Hughes Incorporated Nuclear magnetic resonance pulse sequence with refocusing pulses having reduced tipping angle
US6984980B2 (en) * 2002-02-14 2006-01-10 Baker Hughes Incorporated Method and apparatus for NMR sensor with loop-gap resonator
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
CN100335916C (zh) * 2002-11-19 2007-09-05 贝克休斯公司 井筒中构造特性的方位角nmr成像
DE102007043445A1 (de) * 2007-09-12 2009-04-09 Siemens Ag Verfahren zur Aufnahme einer Magnetresonanztomographiemesssequenz mit einer Magnetresonanztomographieeinrichtung sowie zugehörige Mangetresonanztomographieeinrichtung
US7804297B2 (en) * 2008-01-30 2010-09-28 Baker Hughes Incorporated Methodology for interpretation and analysis of NMR distributions
US8330460B2 (en) * 2008-01-30 2012-12-11 Baker Hughes Incorporated Method and apparatus for determining multiscale similarity between NMR measurements and a reference well log
US8604783B2 (en) 2009-05-08 2013-12-10 Baker Hughes Incorporated Method and apparatus for NMR measurements while drilling with multiple depths of investigation
WO2010129173A2 (en) * 2009-05-08 2010-11-11 Baker Hughes Incorporated A method and apparatus for nmr measurements in small boreholes and in underbalanced drilling
US8532929B2 (en) * 2009-12-07 2013-09-10 Baker Hughes Incorporated Method and apparatus to incorporate internal gradient and restricted diffusion in NMR inversion
US8781745B2 (en) 2010-08-03 2014-07-15 Baker Hughes Incorporated NMR-DNA fingerprint
US8866475B2 (en) * 2011-11-04 2014-10-21 Baker Hughes Incorporated Method for correcting NMR and nuclear logs in formate mud filtrate invaded formations
US10241172B2 (en) 2013-12-13 2019-03-26 Halliburton Energy Services, Inc. Refocussing pulse having an incremental phase
EP3183422A4 (en) * 2014-11-12 2017-12-06 Halliburton Energy Services, Inc. Borehole signal reduction for a side-looking nmr logging tool using a refocusing pulse flipping angle
EP3180495A4 (en) 2014-11-12 2017-08-16 Halliburton Energy Services, Inc. Borehole signal reduction for a side-looking nmr logging tool using a magnet assembly
US10436860B2 (en) 2014-11-12 2019-10-08 Haliburton Energy Services, Inc Borehole signal reduction for a side-looking NMR logging tool using an antenna
US12153184B2 (en) 2022-03-14 2024-11-26 Halliburton Energy Services, Inc. Logging tool motion error reduction for nuclear magnetic resonance logging via pulse angle selection
US11899158B2 (en) 2022-03-14 2024-02-13 Halliburton Energy Services, Inc. Logging tool motion error reduction for nuclear magnetic resonance logging via pulse sub-sequences

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4318043A (en) 1978-07-20 1982-03-02 The Regents Of The University Of California Method and apparatus for rapid NMR imaging of nuclear densities within an object
US5055788A (en) * 1986-08-27 1991-10-08 Schlumberger Technology Corporation Borehole measurement of NMR characteristics of earth formations
US5212448A (en) 1991-08-09 1993-05-18 General Electric Company Nmr pulse sequence with burst rf excitation pulses having separately controlled phase
US5451873A (en) 1993-10-05 1995-09-19 Schlumberger Technology Corporation Method and apparatus for determining the in situ larmor frequency of a wellbore NMR tool to compensate for accumulation of magnetic material on the magnet housing of the tool
AU711508B2 (en) * 1995-03-23 1999-10-14 Schlumberger Technology B.V. Nuclear magnetic resonance borehole logging apparatus and method
US6005389A (en) 1996-03-15 1999-12-21 Numar Corporation Pulse sequences and interpretation techniques for NMR measurements
US5910112A (en) 1996-11-08 1999-06-08 Northwestern University 23 NA and 39 K imaging of the heart
US6023164A (en) * 1998-02-20 2000-02-08 Numar Corporation Eccentric NMR well logging apparatus and method
US6163153A (en) * 1998-09-11 2000-12-19 Western Atlas International, Inc. Nuclear magnetic resonance pulse sequence for optimizing instrument electrical power usage

Also Published As

Publication number Publication date
NO20031425D0 (no) 2003-03-27
CA2424034A1 (en) 2002-04-04
EP1328830B1 (en) 2010-01-13
EP1328830A1 (en) 2003-07-23
CA2424034C (en) 2012-08-07
WO2002027356A1 (en) 2002-04-04
US6429654B1 (en) 2002-08-06
EP1328830A4 (en) 2006-05-24

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