GB2363848B - Nuclear magnetic resonance measurements in well logging using an optimized rephasing pulse sequence - Google Patents

Nuclear magnetic resonance measurements in well logging using an optimized rephasing pulse sequence

Info

Publication number
GB2363848B
GB2363848B GB0109639A GB0109639A GB2363848B GB 2363848 B GB2363848 B GB 2363848B GB 0109639 A GB0109639 A GB 0109639A GB 0109639 A GB0109639 A GB 0109639A GB 2363848 B GB2363848 B GB 2363848B
Authority
GB
United Kingdom
Prior art keywords
magnetic resonance
nuclear magnetic
pulse sequence
well logging
resonance measurements
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 - Lifetime
Application number
GB0109639A
Other versions
GB0109639D0 (en
GB2363848A8 (en
GB2363848A (en
Inventor
Robert Andrew Slade
Robert Hawkes
Alan Lucas
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.)
Baker Hughes Holdings LLC
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
Priority claimed from GB0009754A external-priority patent/GB2354326B/en
Publication of GB0109639D0 publication Critical patent/GB0109639D0/en
Publication of GB2363848A publication Critical patent/GB2363848A/en
Application granted granted Critical
Publication of GB2363848B publication Critical patent/GB2363848B/en
Publication of GB2363848A8 publication Critical patent/GB2363848A8/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
GB0109639A 1999-04-19 2000-04-19 Nuclear magnetic resonance measurements in well logging using an optimized rephasing pulse sequence Expired - Lifetime GB2363848B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13000599P 1999-04-19 1999-04-19
GB0009754A GB2354326B (en) 1999-04-19 2000-04-19 Nuclear magnetic resonance measurements in well logging using an optimized rephasing pulse sequence

Publications (4)

Publication Number Publication Date
GB0109639D0 GB0109639D0 (en) 2001-06-13
GB2363848A GB2363848A (en) 2002-01-09
GB2363848B true GB2363848B (en) 2002-07-17
GB2363848A8 GB2363848A8 (en) 2004-03-04

Family

ID=26244137

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0109638A Expired - Lifetime GB2363466B (en) 1999-04-19 2000-04-19 Nuclear magnetic resonance measurements in well logging using an optimized rephasing pulse sequence
GB0109639A Expired - Lifetime GB2363848B (en) 1999-04-19 2000-04-19 Nuclear magnetic resonance measurements in well logging using an optimized rephasing pulse sequence

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB0109638A Expired - Lifetime GB2363466B (en) 1999-04-19 2000-04-19 Nuclear magnetic resonance measurements in well logging using an optimized rephasing pulse sequence

Country Status (1)

Country Link
GB (2) GB2363466B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11531135B2 (en) * 2020-09-18 2022-12-20 Halliburton Energy Services, Inc. Method of imaging using azimuthally resolved NMR while drilling

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5248942A (en) * 1990-11-23 1993-09-28 Bruker Medizintechnik Method of exciting a sample for nmr tomography
US5680043A (en) * 1995-03-23 1997-10-21 Schlumberger Technology Corporation Nuclear magnetic resonance technique for determining gas effect with borehole logging tools

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5248942A (en) * 1990-11-23 1993-09-28 Bruker Medizintechnik Method of exciting a sample for nmr tomography
US5680043A (en) * 1995-03-23 1997-10-21 Schlumberger Technology Corporation Nuclear magnetic resonance technique for determining gas effect with borehole logging tools

Also Published As

Publication number Publication date
GB2363466A8 (en) 2004-03-04
GB2363466B (en) 2002-06-26
GB0109639D0 (en) 2001-06-13
GB0109638D0 (en) 2001-06-13
GB2363848A8 (en) 2004-03-04
GB2363466A (en) 2001-12-19
GB2363848A (en) 2002-01-09

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Legal Events

Date Code Title Description
711B Application made for correction of error (sect. 117/77)
711L Appl. made for correction of error (sect. 117/77) now open to opposition
711G Correction allowed (sect. 117/1977)
PE20 Patent expired after termination of 20 years

Expiry date: 20200418