GB2408580B - NMR well logging - Google Patents

NMR well logging

Info

Publication number
GB2408580B
GB2408580B GB0423149A GB0423149A GB2408580B GB 2408580 B GB2408580 B GB 2408580B GB 0423149 A GB0423149 A GB 0423149A GB 0423149 A GB0423149 A GB 0423149A GB 2408580 B GB2408580 B GB 2408580B
Authority
GB
United Kingdom
Prior art keywords
well logging
nmr well
nmr
logging
well
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
GB0423149A
Other versions
GB0423149D0 (en
GB2408580A (en
Inventor
Reza Taherian
Abdurrahman Sezginer
Boqin Sun
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gemalto Terminals Ltd
Schlumberger Holdings Ltd
Original Assignee
Gemalto Terminals Ltd
Schlumberger Holdings Ltd
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
Priority claimed from US10/064,994 external-priority patent/US6781371B2/en
Application filed by Gemalto Terminals Ltd, Schlumberger Holdings Ltd filed Critical Gemalto Terminals Ltd
Publication of GB0423149D0 publication Critical patent/GB0423149D0/en
Publication of GB2408580A publication Critical patent/GB2408580A/en
Application granted granted Critical
Publication of GB2408580B publication Critical patent/GB2408580B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • 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
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
    • G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
    • G01R33/341—Constructional details, e.g. resonators, specially adapted to MR comprising surface coils
    • G01R33/3415—Constructional details, e.g. resonators, specially adapted to MR comprising surface coils comprising arrays of sub-coils, i.e. phased-array coils with flexible receiver channels
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Geophysics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Geophysics And Detection Of Objects (AREA)
GB0423149A 2002-09-06 2003-07-29 NMR well logging Expired - Fee Related GB2408580B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/064,994 US6781371B2 (en) 2002-09-06 2002-09-06 High vertical resolution antennas for NMR logging
GB0317670A GB2396017B (en) 2002-09-06 2003-07-29 High vertical resolution antennas for NMR logging

Publications (3)

Publication Number Publication Date
GB0423149D0 GB0423149D0 (en) 2004-11-24
GB2408580A GB2408580A (en) 2005-06-01
GB2408580B true GB2408580B (en) 2006-03-15

Family

ID=34575740

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0423149A Expired - Fee Related GB2408580B (en) 2002-09-06 2003-07-29 NMR well logging

Country Status (1)

Country Link
GB (1) GB2408580B (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2288024A (en) * 1994-03-30 1995-10-04 Oxford Instr Diode-type NMR RF transmitter decoupling circuit
EP0932055A2 (en) * 1998-01-21 1999-07-28 Oxford Instruments Limited NMR sensor
US6177794B1 (en) * 1997-05-13 2001-01-23 The Regents Of The University Of California Use of earth field spin echo NMR to search for liquid minerals
US6255818B1 (en) * 1998-08-18 2001-07-03 Schlumberger Technology Corporation Method and apparatus for performing magnetic resonance measurements
WO2002006801A2 (en) * 2000-07-18 2002-01-24 Baker Hughes Incorporated Nuclear magnetic resonance tool with magnetostrictive noise compensation
US20020036503A1 (en) * 1998-11-05 2002-03-28 Schlumberger Technology Corporation Method and apparatus for tuning an NMR coil
US6400148B1 (en) * 1994-03-14 2002-06-04 Baker Hughes Incorporated Use of redundant data for log quality measurements
US6459262B1 (en) * 2000-04-25 2002-10-01 Baker Hughes Incorporated Toroidal receiver for NMR MWD

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6400148B1 (en) * 1994-03-14 2002-06-04 Baker Hughes Incorporated Use of redundant data for log quality measurements
GB2288024A (en) * 1994-03-30 1995-10-04 Oxford Instr Diode-type NMR RF transmitter decoupling circuit
US6177794B1 (en) * 1997-05-13 2001-01-23 The Regents Of The University Of California Use of earth field spin echo NMR to search for liquid minerals
EP0932055A2 (en) * 1998-01-21 1999-07-28 Oxford Instruments Limited NMR sensor
US6255818B1 (en) * 1998-08-18 2001-07-03 Schlumberger Technology Corporation Method and apparatus for performing magnetic resonance measurements
US20020036503A1 (en) * 1998-11-05 2002-03-28 Schlumberger Technology Corporation Method and apparatus for tuning an NMR coil
US6459262B1 (en) * 2000-04-25 2002-10-01 Baker Hughes Incorporated Toroidal receiver for NMR MWD
WO2002006801A2 (en) * 2000-07-18 2002-01-24 Baker Hughes Incorporated Nuclear magnetic resonance tool with magnetostrictive noise compensation

Also Published As

Publication number Publication date
GB0423149D0 (en) 2004-11-24
GB2408580A (en) 2005-06-01

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20170729