NO20043748L - Off-side NMR probe for oil well logging - Google Patents

Off-side NMR probe for oil well logging

Info

Publication number
NO20043748L
NO20043748L NO20043748A NO20043748A NO20043748L NO 20043748 L NO20043748 L NO 20043748L NO 20043748 A NO20043748 A NO 20043748A NO 20043748 A NO20043748 A NO 20043748A NO 20043748 L NO20043748 L NO 20043748L
Authority
NO
Norway
Prior art keywords
oil well
well logging
nmr probe
nmr
probe
Prior art date
Application number
NO20043748A
Other languages
Norwegian (no)
Inventor
David R Beard
Arcady Reiderman
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 NO20043748L publication Critical patent/NO20043748L/en

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
    • G01R33/38—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
    • 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)
  • General Life Sciences & Earth Sciences (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Geophysics (AREA)
  • Remote Sensing (AREA)
  • Vascular Medicine (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Geophysics And Detection Of Objects (AREA)
NO20043748A 2002-02-15 2004-09-07 Off-side NMR probe for oil well logging NO20043748L (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2002/004502 WO2003071310A1 (en) 2002-02-15 2002-02-15 Side-looking nmr probe for oil well logging

Publications (1)

Publication Number Publication Date
NO20043748L true NO20043748L (en) 2004-11-04

Family

ID=27752546

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20043748A NO20043748L (en) 2002-02-15 2004-09-07 Off-side NMR probe for oil well logging

Country Status (5)

Country Link
EP (1) EP1476770A1 (en)
AU (1) AU2002250090A1 (en)
CA (1) CA2476499A1 (en)
NO (1) NO20043748L (en)
WO (1) WO2003071310A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102360703B (en) * 2011-10-12 2013-03-27 上海神开石油化工装备股份有限公司 Magnet structure of petroleum underground nuclear magnetic resonance logging while drilling apparatus
CN108505986A (en) * 2018-03-09 2018-09-07 中国石油天然气股份有限公司 Nuclear magnetic resonance downhole fluid identification device and downhole fluid identification probe thereof

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5055787A (en) * 1986-08-27 1991-10-08 Schlumberger Technology Corporation Borehole measurement of NMR characteristics of earth formations
US6140817A (en) * 1998-05-26 2000-10-31 Schlumberger Technology Corporation Magnetic resonance well logging method and apparatus

Also Published As

Publication number Publication date
EP1476770A1 (en) 2004-11-17
AU2002250090A1 (en) 2003-09-09
WO2003071310A1 (en) 2003-08-28
CA2476499A1 (en) 2003-08-28

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Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application