CA2232654C - Nmr well logging apparatus and method - Google Patents

Nmr well logging apparatus and method Download PDF

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Publication number
CA2232654C
CA2232654C CA 2232654 CA2232654A CA2232654C CA 2232654 C CA2232654 C CA 2232654C CA 2232654 CA2232654 CA 2232654 CA 2232654 A CA2232654 A CA 2232654A CA 2232654 C CA2232654 C CA 2232654C
Authority
CA
Canada
Prior art keywords
magnetic field
sector
static magnetic
radio frequency
wellbore
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
CA 2232654
Other languages
English (en)
French (fr)
Other versions
CA2232654A1 (en
Inventor
Gersh Taicher (Zvi)
Arcady Reiderman
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.)
Western Atlas International Inc
Original Assignee
Western Atlas International 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
Priority claimed from US08/960,498 external-priority patent/US6018243A/en
Application filed by Western Atlas International Inc filed Critical Western Atlas International Inc
Publication of CA2232654A1 publication Critical patent/CA2232654A1/en
Application granted granted Critical
Publication of CA2232654C publication Critical patent/CA2232654C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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

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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)
  • Geology (AREA)
  • Remote Sensing (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
CA 2232654 1997-05-02 1998-03-18 Nmr well logging apparatus and method Expired - Fee Related CA2232654C (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US85062397A 1997-05-02 1997-05-02
US08/850,623 1997-05-02
US08/960,498 US6018243A (en) 1997-10-29 1997-10-29 NMR well logging apparatus and method
US08/960,498 1997-10-29

Publications (2)

Publication Number Publication Date
CA2232654A1 CA2232654A1 (en) 1998-11-02
CA2232654C true CA2232654C (en) 2005-10-18

Family

ID=27126942

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2232654 Expired - Fee Related CA2232654C (en) 1997-05-02 1998-03-18 Nmr well logging apparatus and method

Country Status (6)

Country Link
CA (1) CA2232654C (id)
FR (1) FR2762912B1 (id)
GB (1) GB2324872B (id)
ID (1) ID20242A (id)
IL (1) IL123924A (id)
NO (1) NO981173L (id)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6766854B2 (en) 1997-06-02 2004-07-27 Schlumberger Technology Corporation Well-bore sensor apparatus and method
US6691779B1 (en) * 1997-06-02 2004-02-17 Schlumberger Technology Corporation Wellbore antennae system and method
US6114851A (en) * 1999-02-12 2000-09-05 Baker Hughes Incorporated Temperature compensated nuclear magnetic resonance apparatus and method

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3597681A (en) * 1957-01-30 1971-08-03 Chevron Res Nuclear magnetic well logging
US3667035A (en) * 1970-03-17 1972-05-30 Texaco Development Corp Nuclear magnetism logging
US4350955A (en) * 1980-10-10 1982-09-21 The United States Of America As Represented By The United States Department Of Energy Magnetic resonance apparatus
GB9022145D0 (en) * 1990-10-11 1990-11-21 Oxford Instr Ltd Magnetic field generating assembly
DK0581666T3 (da) * 1992-07-30 1997-10-27 Schlumberger Ltd Impulsmoduleret kernemagnetisk værktøj til formationsevaluering under boring
DE69320360T2 (de) * 1992-11-18 1998-12-10 Oxford Instruments Plc, Witney, Oxford Kernspinresonanzgerät mit einer RF Spulenanordnung zur Erzeugung eines homogenen RF-Feldes in einem Arbeitsvolumen ausserhalb des Geräts
GB9412012D0 (en) * 1994-06-15 1994-08-03 Oxford Instr Uk Ltd Magnet assembly
US6121773A (en) * 1997-03-27 2000-09-19 Western Atlas International, Inc. Longitudinal NMR well logging apparatus and method

Also Published As

Publication number Publication date
ID20242A (id) 1998-11-05
CA2232654A1 (en) 1998-11-02
GB9807254D0 (en) 1998-06-03
GB2324872B (en) 2002-01-09
FR2762912A1 (fr) 1998-11-06
IL123924A (en) 2000-12-06
NO981173D0 (no) 1998-03-16
NO981173L (no) 1998-11-03
GB2324872A (en) 1998-11-04
FR2762912B1 (fr) 2001-04-06

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