DE4215454C1 - - Google Patents
Info
- Publication number
- DE4215454C1 DE4215454C1 DE4215454A DE4215454A DE4215454C1 DE 4215454 C1 DE4215454 C1 DE 4215454C1 DE 4215454 A DE4215454 A DE 4215454A DE 4215454 A DE4215454 A DE 4215454A DE 4215454 C1 DE4215454 C1 DE 4215454C1
- Authority
- DE
- Germany
- Prior art keywords
- frequency
- permanent magnet
- nuclear
- probe according
- cylinder axis
- 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
- 239000000523 sample Substances 0.000 claims description 45
- 238000005481 NMR spectroscopy Methods 0.000 claims description 30
- 230000005284 excitation Effects 0.000 claims description 18
- 230000005415 magnetization Effects 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 8
- 239000003990 capacitor Substances 0.000 claims description 7
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 238000005259 measurement Methods 0.000 description 9
- 230000003068 static effect Effects 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 235000003197 Byrsonima crassifolia Nutrition 0.000 description 1
- 240000001546 Byrsonima crassifolia Species 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000001208 nuclear magnetic resonance pulse sequence Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
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
- G01R33/32—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
-
- 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)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- High Energy & Nuclear Physics (AREA)
- Engineering & Computer Science (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Geology (AREA)
- Remote Sensing (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geophysics (AREA)
- Geophysics And Detection Of Objects (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4215454A DE4215454C1 (enExample) | 1992-05-11 | 1992-05-11 | |
| GB9308871A GB2266958B (en) | 1992-05-11 | 1993-04-29 | Well logging tool for bore hole investigations |
| US08/059,209 US5332967A (en) | 1992-05-11 | 1993-05-07 | Well logging tool for bore hole investigations |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4215454A DE4215454C1 (enExample) | 1992-05-11 | 1992-05-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE4215454C1 true DE4215454C1 (enExample) | 1993-07-29 |
Family
ID=6458574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE4215454A Expired - Fee Related DE4215454C1 (enExample) | 1992-05-11 | 1992-05-11 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US5332967A (enExample) |
| DE (1) | DE4215454C1 (enExample) |
| GB (1) | GB2266958B (enExample) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5680044A (en) * | 1992-11-18 | 1997-10-21 | Oxford Instruments Plc | Oscillating magnetic field generating assembly |
| US5757186A (en) * | 1996-02-23 | 1998-05-26 | Western Atlas International, Inc. | Nuclear magnetic resonance well logging apparatus and method adapted for measurement-while-drilling |
| US5959453A (en) * | 1997-10-29 | 1999-09-28 | Western Atlas International, Inc. | Radial NMR well logging apparatus and method |
| US6166540A (en) | 1997-06-30 | 2000-12-26 | Wollin Ventures, Inc. | Method of resistivity well logging utilizing nuclear magnetic resonance |
| US6166543A (en) * | 1997-09-25 | 2000-12-26 | Schlumberger Technology Corporation | Method and apparatus for measuring nuclear magnetic resonance |
| US6114851A (en) * | 1999-02-12 | 2000-09-05 | Baker Hughes Incorporated | Temperature compensated nuclear magnetic resonance apparatus and method |
| WO2009152586A1 (en) * | 2008-06-20 | 2009-12-23 | The University Of Queensland | Mri apparatus and method with moving field component |
| US10094897B2 (en) * | 2014-07-25 | 2018-10-09 | Gersh Z. Taicher | Nuclear magnetic resonance apparatus and methods |
| US11271308B2 (en) * | 2017-09-05 | 2022-03-08 | Sri International | Diamagnetic mechanically based antenna |
| US11762120B2 (en) * | 2018-11-29 | 2023-09-19 | Baker Hughes Holdings Llc | Power-efficient transient electromagnetic evaluation system and method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3667035A (en) * | 1970-03-17 | 1972-05-30 | Texaco Development Corp | Nuclear magnetism logging |
| EP0237323A2 (en) * | 1986-03-11 | 1987-09-16 | Numar Corporation | nuclear magnetic resonance sensing apparatus and techniques |
| US4717877A (en) * | 1986-09-25 | 1988-01-05 | Numar Corporation | Nuclear magnetic resonance sensing apparatus and techniques |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3617867A (en) * | 1953-07-17 | 1971-11-02 | Texaco Inc | Method and apparatus for well logging utilizing resonance |
| CA2097430C (en) * | 1990-12-04 | 2003-06-24 | Melvin Miller | System for logging a well during the drilling thereof |
-
1992
- 1992-05-11 DE DE4215454A patent/DE4215454C1/de not_active Expired - Fee Related
-
1993
- 1993-04-29 GB GB9308871A patent/GB2266958B/en not_active Expired - Fee Related
- 1993-05-07 US US08/059,209 patent/US5332967A/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3667035A (en) * | 1970-03-17 | 1972-05-30 | Texaco Development Corp | Nuclear magnetism logging |
| EP0237323A2 (en) * | 1986-03-11 | 1987-09-16 | Numar Corporation | nuclear magnetic resonance sensing apparatus and techniques |
| US4717877A (en) * | 1986-09-25 | 1988-01-05 | Numar Corporation | Nuclear magnetic resonance sensing apparatus and techniques |
Also Published As
| Publication number | Publication date |
|---|---|
| US5332967A (en) | 1994-07-26 |
| GB2266958B (en) | 1995-08-16 |
| GB2266958A (en) | 1993-11-17 |
| GB9308871D0 (en) | 1993-06-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8100 | Publication of the examined application without publication of unexamined application | ||
| D1 | Grant (no unexamined application published) patent law 81 | ||
| 8364 | No opposition during term of opposition | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: BRUKER ANALYTIK GMBH, 76287 RHEINSTETTEN, DE |
|
| 8339 | Ceased/non-payment of the annual fee |