NO324658B1 - Fremgangsmate for a eliminere ringing, under en kjernemagnetisk resonansmaling - Google Patents

Fremgangsmate for a eliminere ringing, under en kjernemagnetisk resonansmaling Download PDF

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Publication number
NO324658B1
NO324658B1 NO19993044A NO993044A NO324658B1 NO 324658 B1 NO324658 B1 NO 324658B1 NO 19993044 A NO19993044 A NO 19993044A NO 993044 A NO993044 A NO 993044A NO 324658 B1 NO324658 B1 NO 324658B1
Authority
NO
Norway
Prior art keywords
signals
during
time period
echoes
measured
Prior art date
Application number
NO19993044A
Other languages
English (en)
Norwegian (no)
Other versions
NO993044D0 (no
NO993044L (no
Inventor
Boqin Sun
Reza Taherian
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 NO993044D0 publication Critical patent/NO993044D0/no
Publication of NO993044L publication Critical patent/NO993044L/no
Publication of NO324658B1 publication Critical patent/NO324658B1/no

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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]
    • G01R33/46—NMR spectroscopy
    • G01R33/4608—RF excitation sequences for enhanced detection, e.g. NOE, polarisation transfer, selection of a coherence transfer pathway

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  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geology (AREA)
  • Analytical Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Remote Sensing (AREA)
  • Geophysics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
NO19993044A 1998-06-22 1999-06-21 Fremgangsmate for a eliminere ringing, under en kjernemagnetisk resonansmaling NO324658B1 (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/102,719 US6121774A (en) 1998-06-22 1998-06-22 Method for eliminating ringing during a nuclear magnetic resonance measurement

Publications (3)

Publication Number Publication Date
NO993044D0 NO993044D0 (no) 1999-06-21
NO993044L NO993044L (no) 1999-12-23
NO324658B1 true NO324658B1 (no) 2007-11-26

Family

ID=22291332

Family Applications (1)

Application Number Title Priority Date Filing Date
NO19993044A NO324658B1 (no) 1998-06-22 1999-06-21 Fremgangsmate for a eliminere ringing, under en kjernemagnetisk resonansmaling

Country Status (8)

Country Link
US (1) US6121774A (de)
EP (1) EP0967490B1 (de)
CN (1) CN1195994C (de)
AR (1) AR018678A1 (de)
CA (1) CA2273126C (de)
EG (1) EG22220A (de)
ID (1) ID23279A (de)
NO (1) NO324658B1 (de)

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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
US6570381B1 (en) * 1999-03-25 2003-05-27 Schlumberger Technology Corporation Nuclear magnetic resonance well logging method and apparatus
US6466013B1 (en) 1999-04-19 2002-10-15 Baker Hughes Incorporated Nuclear magnetic resonance measurements in well logging using an optimized rephasing pulse sequence
US6541969B2 (en) * 1999-12-15 2003-04-01 Halliburton Energy Services, Inc. Method and apparatus for improving the vertical resolution of NMR logs
US6522138B2 (en) * 2000-03-31 2003-02-18 Schlumberger Technology Corporation Resolution enhancement for sequential phase alternated pair nuclear magnetic resonance measurements
US6388441B1 (en) 2000-10-18 2002-05-14 Baker Hughes Incorporated Method for processing NMR data without phase-alternating-pair (PAP) averaging
US7135862B2 (en) * 2001-03-13 2006-11-14 Halliburton Energy Services, Inc NMR logging using time-domain averaging
US6518755B2 (en) 2001-04-10 2003-02-11 Baker Hughes Incorporated Measurement technique and apparatus for high-resolution multi-volume NMR well logging
US6518756B1 (en) 2001-06-14 2003-02-11 Halliburton Energy Services, Inc. Systems and methods for determining motion tool parameters in borehole logging
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
FR2832255B1 (fr) * 2001-11-13 2004-11-26 France Telecom Peigne et procede de derivation d'un cablage preexistant
US6859032B2 (en) * 2001-12-18 2005-02-22 Schlumberger Technology Corporation Method for determining molecular properties of hydrocarbon mixtures from NMR data
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
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
US6856132B2 (en) 2002-11-08 2005-02-15 Shell Oil Company Method and apparatus for subterranean formation flow imaging
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
WO2004099817A2 (en) 2003-05-02 2004-11-18 Halliburton Energy Services, Inc. Systems and methods for nmr logging
US6897651B2 (en) * 2003-05-15 2005-05-24 Baker Hughes Incorporated Method for eliminating effects of acoustic excitations in NMR data
GB2404026B (en) * 2003-07-14 2005-09-21 Rolls Royce Plc Method for filtering spurious resonances from an NMR dataset
US7301337B2 (en) * 2003-09-30 2007-11-27 Baker Hughes Incorporated Frequency dithering to avoid excitation pulse ringing
US7199580B2 (en) 2003-10-03 2007-04-03 Halliburton Energy Services, Inc. System and methods for T1-based logging
US7126333B2 (en) * 2004-04-19 2006-10-24 Baker Hughes Incorporated Method and apparatus for correcting ringing in NMR signals
EP1885243A4 (de) * 2005-05-11 2014-05-21 Univ Minnesota Verfahren und vorrichtungen zur bildgebung mit magnetischer induktion
GB0805688D0 (en) * 2008-03-28 2008-04-30 King S College London Enhancing signals
US8970217B1 (en) 2010-04-14 2015-03-03 Hypres, Inc. System and method for noise reduction in magnetic resonance imaging
WO2015088566A1 (en) * 2013-12-13 2015-06-18 Halliburton Energy Services, Inc. Single-transient phase cycling during spin echo acquisition
US9915750B2 (en) 2014-10-16 2018-03-13 Schlumberger Technology Corporation Methods and apparatuses to remove a net detected residual magnetization in a nuclear magnetic resonance (NMR) operation
US10551521B2 (en) * 2015-05-12 2020-02-04 Baker Hughes, A Ge Company, Llc Magnetic resonance pulse sequences and processing
US10466381B2 (en) 2015-12-28 2019-11-05 Baker Hughes, A Ge Company, Llc NMR logging in formation with micro-porosity by using first echoes from multiple measurements
US10215829B2 (en) 2016-04-29 2019-02-26 Schlumberger Technology Corporation Use of echo shapes in nuclear magnetic resonance log data acquisition and quality control
DE102017211677A1 (de) * 2017-07-07 2019-01-10 Siemens Healthcare Gmbh Bewegungsabhängige Rekonstruktion von Magnetresonanzabbildungen
WO2019135746A1 (en) * 2018-01-03 2019-07-11 Halliburton Energy Services, Inc. Nuclear magnetic resonance sequence for partially polarized echo trains
US11294093B2 (en) 2018-03-01 2022-04-05 Schlumberger Technology Corporation Nuclear magnetic resonance data acquisition system
WO2020204944A1 (en) 2019-04-05 2020-10-08 Halliburton Energy Services, Inc. Reverse circular polarization based antenna orientation
WO2020204947A1 (en) 2019-04-05 2020-10-08 Halliburton Energy Services, Inc. Circular polarization correction in nuclear magnetic resonsance (nmr) logging
WO2021158929A1 (en) * 2020-02-07 2021-08-12 Schlumberger Technology Corporation Ringing cancellation in nmr measurements

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US5055787A (en) * 1986-08-27 1991-10-08 Schlumberger Technology Corporation Borehole measurement of NMR characteristics of earth formations
US4717878A (en) * 1986-09-26 1988-01-05 Numar Corporation Nuclear magnetic resonance sensing apparatus and techniques
US5705927A (en) * 1992-07-30 1998-01-06 Schlumberger Technology Corporation Pulsed nuclear magnetism tool for formation evaluation while drilling including a shortened or truncated CPMG sequence
US5596274A (en) * 1992-12-31 1997-01-21 Schlumberger Technology Corporation Determining bound and unbound fluid volumes using nuclear magnetic resonance pulse sequences
US5712566A (en) * 1996-02-23 1998-01-27 Western Atlas International, Inc. Nuclear magnetic resonance apparatus and method
US6204663B1 (en) * 1997-03-26 2001-03-20 Numar Corporation Pulse sequence and method for suppression of magneto-acoustic artifacts in NMR data

Also Published As

Publication number Publication date
CN1246624A (zh) 2000-03-08
NO993044D0 (no) 1999-06-21
US6121774A (en) 2000-09-19
CA2273126A1 (en) 1999-12-22
CN1195994C (zh) 2005-04-06
EP0967490B1 (de) 2006-07-05
AU715153B1 (en) 2000-01-20
NO993044L (no) 1999-12-23
CA2273126C (en) 2002-02-05
EG22220A (en) 2002-10-31
EP0967490A2 (de) 1999-12-29
EP0967490A3 (de) 2002-02-27
AR018678A1 (es) 2001-11-28
ID23279A (id) 2000-04-05

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