NL1013496A1 - NMR gereedschap met een programmeerbare pulsvolgordegenerator voor onder in het boorgat. - Google Patents

NMR gereedschap met een programmeerbare pulsvolgordegenerator voor onder in het boorgat.

Info

Publication number
NL1013496A1
NL1013496A1 NL1013496A NL1013496A NL1013496A1 NL 1013496 A1 NL1013496 A1 NL 1013496A1 NL 1013496 A NL1013496 A NL 1013496A NL 1013496 A NL1013496 A NL 1013496A NL 1013496 A1 NL1013496 A1 NL 1013496A1
Authority
NL
Netherlands
Prior art keywords
pulse sequence
sequence generator
downhole drilling
nmr tool
programmable pulse
Prior art date
Application number
NL1013496A
Other languages
English (en)
Other versions
NL1013496C2 (nl
Inventor
Ali K Toufaily
Abdurrahman Sezginer
Bruno Jorion
Luis E Depavia
Original Assignee
Schlumberger Holdings
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 US09/368,341 external-priority patent/US6255818B1/en
Application filed by Schlumberger Holdings filed Critical Schlumberger Holdings
Publication of NL1013496A1 publication Critical patent/NL1013496A1/nl
Application granted granted Critical
Publication of NL1013496C2 publication Critical patent/NL1013496C2/nl

Links

Classifications

    • 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
    • G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/3808—Magnet assemblies for single-sided MR wherein the magnet assembly is located on one side of a subject only; Magnet assemblies for inside-out MR, e.g. for MR in a borehole or in a blood vessel, or magnet assemblies for fringe-field MR
    • 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
    • G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
    • G01R33/34007—Manufacture of RF coils, e.g. using printed circuit board technology; additional hardware for providing mechanical support to the RF coil assembly or to part thereof, e.g. a support for moving the coil assembly relative to the remainder of the MR system
    • 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
    • G01R33/34046—Volume type coils, e.g. bird-cage coils; Quadrature bird-cage coils; Circularly polarised coils
    • G01R33/34053—Solenoid coils; Toroidal coils
    • 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
    • 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
    • G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
    • G01R33/3678—Electrical details, e.g. matching or coupling of the coil to the receiver involving quadrature drive or detection, e.g. a circularly polarized RF magnetic field
    • 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
    • G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/383—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using permanent magnets
    • 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
    • G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/387—Compensation of inhomogeneities
    • G01R33/3873—Compensation of inhomogeneities using ferromagnetic bodies ; Passive shimming
    • 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]
    • G01R33/48—NMR imaging systems
    • G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/546—Interface between the MR system and the user, e.g. for controlling the operation of the MR system or for the design of pulse sequences
    • 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)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Engineering & Computer Science (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Health & Medical Sciences (AREA)
  • Geology (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Geophysics (AREA)
  • Biochemistry (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Remote Sensing (AREA)
  • Chemical & Material Sciences (AREA)
  • Vascular Medicine (AREA)
  • Signal Processing (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Drilling And Boring (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Electrotherapy Devices (AREA)
NL1013496A 1998-11-05 1999-11-04 NMR gereedschap met een programmeerbare pulsvolgordegenerator voor onder in het boorgat. NL1013496C2 (nl)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US10718498P 1998-11-05 1998-11-05
US10718498 1998-11-05
US36834199 1999-08-04
US09/368,341 US6255818B1 (en) 1998-08-18 1999-08-04 Method and apparatus for performing magnetic resonance measurements
US09/427,370 US6400147B1 (en) 1998-11-05 1999-10-26 Downhole NMR tool having a programmable pulse sequencer
US42737099 1999-10-26

Publications (2)

Publication Number Publication Date
NL1013496A1 true NL1013496A1 (nl) 2000-05-09
NL1013496C2 NL1013496C2 (nl) 2000-07-06

Family

ID=27380268

Family Applications (1)

Application Number Title Priority Date Filing Date
NL1013496A NL1013496C2 (nl) 1998-11-05 1999-11-04 NMR gereedschap met een programmeerbare pulsvolgordegenerator voor onder in het boorgat.

Country Status (8)

Country Link
US (3) US6400147B1 (nl)
CN (3) CN1262849C (nl)
AR (1) AR021095A1 (nl)
CA (1) CA2287773C (nl)
GB (1) GB2346448B (nl)
IT (1) IT1314010B1 (nl)
NL (1) NL1013496C2 (nl)
NO (1) NO326626B1 (nl)

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US6765380B2 (en) 2002-05-23 2004-07-20 Schlumberger Technology Corporation Determining wettability of an oil reservoir using borehole NMR measurements
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BR112019001315B1 (pt) 2016-08-08 2021-06-15 Halliburton Energy Services, Inc Dispositivo de caracterização subterrânea e amostragem de fluido, e, método de caracterização subterrânea
BR112019005012A2 (pt) * 2016-09-28 2019-06-04 Halliburton Energy Services Inc dispositivo de ressonância magnética nuclear, e, método de caracterização de uma formação subterrânea
US10732238B2 (en) * 2016-12-02 2020-08-04 Halliburton Energy Services, Inc. Determining frequency for achieving a high signal-to-noise ratio in low impedance receivers
CN108267790B (zh) 2018-01-17 2020-07-17 中国石油大学(北京) 三维扫描核磁共振成像仪阵列天线驱动方法及装置
CN108519624A (zh) * 2018-03-08 2018-09-11 中国石油大学(北京) 井下三维扫描核磁共振成像仪器射频天线接收方法及装置
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Also Published As

Publication number Publication date
IT1314010B1 (it) 2002-12-03
NL1013496C2 (nl) 2000-07-06
US6573716B2 (en) 2003-06-03
US20020033699A1 (en) 2002-03-21
CA2287773A1 (en) 2000-05-05
NO326626B1 (no) 2009-01-19
GB2346448B (en) 2001-01-31
GB2346448A (en) 2000-08-09
US6534980B2 (en) 2003-03-18
NO995395L (no) 2000-05-08
CN1250982C (zh) 2006-04-12
US6400147B1 (en) 2002-06-04
CN1262849C (zh) 2006-07-05
CA2287773C (en) 2007-01-02
GB9926054D0 (en) 2000-01-12
CN1245640C (zh) 2006-03-15
ITMI992312A1 (it) 2001-05-04
US20020036503A1 (en) 2002-03-28
ITMI992312A0 (it) 1999-11-04
AR021095A1 (es) 2002-06-12
CN1560654A (zh) 2005-01-05
NO995395D0 (no) 1999-11-04
CN1560653A (zh) 2005-01-05
CN1260497A (zh) 2000-07-19

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