DK0581666T3 - Impulsmoduleret kernemagnetisk værktøj til formationsevaluering under boring - Google Patents

Impulsmoduleret kernemagnetisk værktøj til formationsevaluering under boring

Info

Publication number
DK0581666T3
DK0581666T3 DK93401938.1T DK93401938T DK0581666T3 DK 0581666 T3 DK0581666 T3 DK 0581666T3 DK 93401938 T DK93401938 T DK 93401938T DK 0581666 T3 DK0581666 T3 DK 0581666T3
Authority
DK
Denmark
Prior art keywords
pulse
nuclear magnetic
during drilling
formation evaluation
magnetic tool
Prior art date
Application number
DK93401938.1T
Other languages
English (en)
Inventor
Abdurrahman Sezginer
Robert L Kleinberg
Original Assignee
Schlumberger Ltd
Schlumberger Technology Bv
Schlumberger Holdings
Schlumberger Services Petrol
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 Ltd, Schlumberger Technology Bv, Schlumberger Holdings, Schlumberger Services Petrol filed Critical Schlumberger Ltd
Application granted granted Critical
Publication of DK0581666T3 publication Critical patent/DK0581666T3/da

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N24/00Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects
    • G01N24/08Investigating or analyzing materials by the use of nuclear magnetic resonance, electron paramagnetic resonance or other spin effects by using nuclear magnetic resonance
    • G01N24/081Making measurements of geologic samples, e.g. measurements of moisture, pH, porosity, permeability, tortuosity or viscosity
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/18Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging
    • G01V3/32Electric 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00Arrangements or instruments for measuring magnetic variables
    • G01R33/20Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/38Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/383Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using permanent magnets

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geophysics (AREA)
  • Remote Sensing (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)
DK93401938.1T 1992-07-30 1993-07-27 Impulsmoduleret kernemagnetisk værktøj til formationsevaluering under boring DK0581666T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US92225492A 1992-07-30 1992-07-30

Publications (1)

Publication Number Publication Date
DK0581666T3 true DK0581666T3 (da) 1997-10-27

Family

ID=25446772

Family Applications (1)

Application Number Title Priority Date Filing Date
DK93401938.1T DK0581666T3 (da) 1992-07-30 1993-07-27 Impulsmoduleret kernemagnetisk værktøj til formationsevaluering under boring

Country Status (4)

Country Link
US (1) US5557201A (da)
EP (1) EP0581666B1 (da)
DE (1) DE69314261T2 (da)
DK (1) DK0581666T3 (da)

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Also Published As

Publication number Publication date
DE69314261D1 (de) 1997-11-06
EP0581666A3 (en) 1994-08-24
DE69314261T2 (de) 1998-04-09
US5557201A (en) 1996-09-17
EP0581666B1 (en) 1997-10-01
EP0581666A2 (en) 1994-02-02

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