GB2408580B - NMR well logging - Google Patents
NMR well loggingInfo
- Publication number
- GB2408580B GB2408580B GB0423149A GB0423149A GB2408580B GB 2408580 B GB2408580 B GB 2408580B GB 0423149 A GB0423149 A GB 0423149A GB 0423149 A GB0423149 A GB 0423149A GB 2408580 B GB2408580 B GB 2408580B
- Authority
- GB
- United Kingdom
- Prior art keywords
- well logging
- nmr well
- nmr
- logging
- well
- 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
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
- 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
-
- 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
- G01R33/3415—Constructional details, e.g. resonators, specially adapted to MR comprising surface coils comprising arrays of sub-coils, i.e. phased-array coils with flexible receiver channels
-
- 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)
- High Energy & Nuclear Physics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Geophysics (AREA)
- Geochemistry & Mineralogy (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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/064,994 US6781371B2 (en) | 2002-09-06 | 2002-09-06 | High vertical resolution antennas for NMR logging |
GB0317670A GB2396017B (en) | 2002-09-06 | 2003-07-29 | High vertical resolution antennas for NMR logging |
Publications (3)
Publication Number | Publication Date |
---|---|
GB0423149D0 GB0423149D0 (en) | 2004-11-24 |
GB2408580A GB2408580A (en) | 2005-06-01 |
GB2408580B true GB2408580B (en) | 2006-03-15 |
Family
ID=34575740
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0423149A Expired - Fee Related GB2408580B (en) | 2002-09-06 | 2003-07-29 | NMR well logging |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2408580B (en) |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2288024A (en) * | 1994-03-30 | 1995-10-04 | Oxford Instr | Diode-type NMR RF transmitter decoupling circuit |
EP0932055A2 (en) * | 1998-01-21 | 1999-07-28 | Oxford Instruments Limited | NMR sensor |
US6177794B1 (en) * | 1997-05-13 | 2001-01-23 | The Regents Of The University Of California | Use of earth field spin echo NMR to search for liquid minerals |
US6255818B1 (en) * | 1998-08-18 | 2001-07-03 | Schlumberger Technology Corporation | Method and apparatus for performing magnetic resonance measurements |
WO2002006801A2 (en) * | 2000-07-18 | 2002-01-24 | Baker Hughes Incorporated | Nuclear magnetic resonance tool with magnetostrictive noise compensation |
US20020036503A1 (en) * | 1998-11-05 | 2002-03-28 | Schlumberger Technology Corporation | Method and apparatus for tuning an NMR coil |
US6400148B1 (en) * | 1994-03-14 | 2002-06-04 | Baker Hughes Incorporated | Use of redundant data for log quality measurements |
US6459262B1 (en) * | 2000-04-25 | 2002-10-01 | Baker Hughes Incorporated | Toroidal receiver for NMR MWD |
-
2003
- 2003-07-29 GB GB0423149A patent/GB2408580B/en not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6400148B1 (en) * | 1994-03-14 | 2002-06-04 | Baker Hughes Incorporated | Use of redundant data for log quality measurements |
GB2288024A (en) * | 1994-03-30 | 1995-10-04 | Oxford Instr | Diode-type NMR RF transmitter decoupling circuit |
US6177794B1 (en) * | 1997-05-13 | 2001-01-23 | The Regents Of The University Of California | Use of earth field spin echo NMR to search for liquid minerals |
EP0932055A2 (en) * | 1998-01-21 | 1999-07-28 | Oxford Instruments Limited | NMR sensor |
US6255818B1 (en) * | 1998-08-18 | 2001-07-03 | Schlumberger Technology Corporation | Method and apparatus for performing magnetic resonance measurements |
US20020036503A1 (en) * | 1998-11-05 | 2002-03-28 | Schlumberger Technology Corporation | Method and apparatus for tuning an NMR coil |
US6459262B1 (en) * | 2000-04-25 | 2002-10-01 | Baker Hughes Incorporated | Toroidal receiver for NMR MWD |
WO2002006801A2 (en) * | 2000-07-18 | 2002-01-24 | Baker Hughes Incorporated | Nuclear magnetic resonance tool with magnetostrictive noise compensation |
Also Published As
Publication number | Publication date |
---|---|
GB0423149D0 (en) | 2004-11-24 |
GB2408580A (en) | 2005-06-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20170729 |