BR112017021223A2 - matrizes magnéticas para medições de ressonância magnética - Google Patents
matrizes magnéticas para medições de ressonância magnéticaInfo
- Publication number
- BR112017021223A2 BR112017021223A2 BR112017021223A BR112017021223A BR112017021223A2 BR 112017021223 A2 BR112017021223 A2 BR 112017021223A2 BR 112017021223 A BR112017021223 A BR 112017021223A BR 112017021223 A BR112017021223 A BR 112017021223A BR 112017021223 A2 BR112017021223 A2 BR 112017021223A2
- Authority
- BR
- Brazil
- Prior art keywords
- magnet assembly
- magnetic field
- magnetic
- interest
- volume
- Prior art date
Links
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
-
- 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
- G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
- G01R33/3808—Magnet assemblies for single-sided MR wherein the magnet assembly is located on one side of a subject only; Magnet assemblies for inside-out MR, e.g. for MR in a borehole or in a blood vessel, or magnet assemblies for fringe-field MR
-
- 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
- G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
- G01R33/383—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using permanent magnets
-
- 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
- G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
- G01R33/448—Relaxometry, i.e. quantification of relaxation times or spin density
Abstract
aparelhos e métodos de ressonância magnética nuclear para estimar propriedades de uma formação de terra são fornecidos. um aparelho inclui um transportador configurado para ser implantado em um poço, pelo menos um conjunto de transmissão configurado para gerar um campo magnético oscilante em um volume de interesse dentro da formação de terra, pelo menos um conjunto de recepção configurado para detectar um sinal de ressonância magnética nuclear (nmr) originado no volume de interesse; e um conjunto de ímã configurado para gerar um campo magnético estático na formação a partir de um lado primário do conjunto de ímã. o conjunto de ímã inclui uma disposição de ímãs alongados longitudinalmente tendo um padrão de rotação de orientações magnéticas, a matriz configurada para gerar o campo magnético estático no volume de interesse e a intensidade de campo magnético estático é mais alta no lado primário do que a intensidade de campo em um lado do conjunto de ímã que é oposto ao lado primário.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/680,254 | 2015-04-07 | ||
US14/680,254 US10082594B2 (en) | 2015-04-07 | 2015-04-07 | Magnet arrays for magnetic resonance measurements |
PCT/US2016/026185 WO2016164441A1 (en) | 2015-04-07 | 2016-04-06 | Magnet arrays for magnetic resonance measurements |
Publications (2)
Publication Number | Publication Date |
---|---|
BR112017021223A2 true BR112017021223A2 (pt) | 2018-06-26 |
BR112017021223B1 BR112017021223B1 (pt) | 2021-02-23 |
Family
ID=57072685
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112017021223-4A BR112017021223B1 (pt) | 2015-04-07 | 2016-04-06 | aparelho de ressonância magnética nuclear e método para estimar propriedades de uma formação de terra |
Country Status (5)
Country | Link |
---|---|
US (1) | US10082594B2 (pt) |
EP (1) | EP3281001B1 (pt) |
CN (1) | CN107438777B (pt) |
BR (1) | BR112017021223B1 (pt) |
WO (1) | WO2016164441A1 (pt) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3050756A1 (fr) * | 2016-04-28 | 2017-11-03 | Geo Energy | Sonde d'analyse des caracteristiques du milieu entourant un puits de forage non gaine |
WO2018056955A1 (en) * | 2016-09-20 | 2018-03-29 | Halliburton Energy Services, Inc. | Nmr antenna arrangement for fast moving nmr logging tool |
US10802176B2 (en) | 2017-02-14 | 2020-10-13 | Baker Hughes, A Ge Company, Llc | Methods and devices for magnetic resonance measurements using decoupled transmit antennas |
US10656108B2 (en) | 2017-12-22 | 2020-05-19 | Saudi Arabian Oil Company | Measuring source rock potential using a quantum electronic scanner |
US10585205B2 (en) * | 2018-01-18 | 2020-03-10 | Baker Hughes, A Ge Company, Llc | Active damping for multi-frequency NMR logging tools |
CN110873851B (zh) * | 2018-08-31 | 2021-08-20 | 国仪量子(合肥)技术有限公司 | 磁场测量系统和磁场测量方法 |
NO20211062A1 (en) | 2019-04-05 | 2021-09-03 | Halliburton Energy Services Inc | Reverse circular polarization based antenna orientation |
WO2020204947A1 (en) | 2019-04-05 | 2020-10-08 | Halliburton Energy Services, Inc. | Circular polarization correction in nuclear magnetic resonsance (nmr) logging |
CN113161101B (zh) * | 2020-01-20 | 2023-11-28 | 中国石油天然气股份有限公司 | 用于核磁共振测井仪上的永磁体 |
Family Cites Families (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5055787A (en) * | 1986-08-27 | 1991-10-08 | Schlumberger Technology Corporation | Borehole measurement of NMR characteristics of earth formations |
US4825162A (en) | 1987-12-07 | 1989-04-25 | General Electric Company | Nuclear magnetic resonance (NMR) imaging with multiple surface coils |
US6111408A (en) | 1997-12-23 | 2000-08-29 | Numar Corporation | Nuclear magnetic resonance sensing apparatus and techniques for downhole measurements |
US6411087B1 (en) | 1999-05-17 | 2002-06-25 | University Of Houston | NMR logging tool with Hi-Tc trap field magnet |
US6348792B1 (en) | 2000-07-27 | 2002-02-19 | Baker Hughes Incorporated | Side-looking NMR probe for oil well logging |
US6577125B2 (en) | 2000-12-18 | 2003-06-10 | Halliburton Energy Services, Inc. | Temperature compensated magnetic field apparatus for NMR measurements |
US6737864B2 (en) | 2001-03-28 | 2004-05-18 | Halliburton Energy Services, Inc. | Magnetic resonance fluid analysis apparatus and method |
US6400149B1 (en) | 2001-05-24 | 2002-06-04 | Schlumberger Technology Corporation | Nuclear magnetic resonance apparatus and method for generating an axisymmetric magnetic field having straight contour lines in the resonance region |
US6720765B2 (en) | 2001-05-30 | 2004-04-13 | Baker Hughes Incorporated | High-resolution high-speed NMR well logging device |
US6774628B2 (en) * | 2002-01-18 | 2004-08-10 | Schlumberger Technology Corporation | Nuclear magnetic resonance imaging using phase encoding with non-linear gradient fields |
US6781371B2 (en) | 2002-09-06 | 2004-08-24 | Schlumberger Technology Corporation | High vertical resolution antennas for NMR logging |
US6841996B2 (en) | 2003-01-22 | 2005-01-11 | Schlumberger Technology Corporation | Nuclear magnetic resonance apparatus and methods for analyzing fluids extracted from earth formation |
WO2004099817A2 (en) | 2003-05-02 | 2004-11-18 | Halliburton Energy Services, Inc. | Systems and methods for nmr logging |
US7180288B2 (en) * | 2004-11-10 | 2007-02-20 | Schlumberger Technology Corporation | Downhole NMR flow and formation characterization while sampling fluids |
US7528600B2 (en) | 2006-12-08 | 2009-05-05 | Schlumberger Technology Corporation | System and method for downhole time-of-flight sensing, remote NMR detection of fluid flow in rock formations |
WO2009029241A1 (en) | 2007-08-24 | 2009-03-05 | The Regents Of The University Of California | Dynamic nuclear polarization enhanced nuclear magnetic resonance of water under ambient conditions |
US8519708B2 (en) | 2007-11-06 | 2013-08-27 | T2 Biosystems, Inc. | Small magnet and RF coil for magnetic resonance relaxometry |
US7683613B2 (en) | 2007-11-19 | 2010-03-23 | Schlumberger Technology Corporation | High pressure/high temperature magnetic resonance tool |
EP2177925A1 (en) | 2008-10-16 | 2010-04-21 | RWTH Aachen | Magnetic resonance method using a phase-modulated pulse train with a constant small flip angle |
US8324895B2 (en) * | 2009-01-23 | 2012-12-04 | Baker Hughes Incorporated | MWD/LWD NMR imaging with long echo trains |
US8816684B2 (en) * | 2009-11-09 | 2014-08-26 | Vista Clara Inc. | Noise canceling in-situ NMR detection |
CN201546719U (zh) * | 2009-11-11 | 2010-08-11 | 中国海洋石油总公司 | 聚焦型核磁共振偏心测井探头 |
GB201001917D0 (en) | 2010-02-05 | 2010-03-24 | M I Drilling Fluids Uk Ltd | Improved downhole tool and method |
WO2011159294A1 (en) | 2010-06-16 | 2011-12-22 | Halliburton Energy Services, Inc. | Nuclear magnetic resonance logging tool having an array of antennas |
CN201732647U (zh) * | 2010-07-23 | 2011-02-02 | 北京工业大学 | 一种改进的Halbach阵列永磁体装置 |
CN102403081B (zh) * | 2010-09-17 | 2015-02-11 | 通用电气公司 | 磁体组件及其制造方法 |
US9069098B2 (en) | 2011-09-09 | 2015-06-30 | Schlumberger Technology Corporation | Three or more multiple figure-eight coils for NMR well-logging measurements with azimuthal directional sensitivity |
CN102426897B (zh) * | 2011-12-20 | 2013-01-23 | 重庆大学 | 一种半椭圆分布的开放式核磁共振永磁体结构 |
US9429673B2 (en) | 2012-09-21 | 2016-08-30 | Vista Clara Inc. | Surface-based NMR measurement |
WO2014052762A1 (en) | 2012-09-28 | 2014-04-03 | Schlumberger Canada Limited | Nmr probe and methods of use |
US9645277B2 (en) | 2013-02-12 | 2017-05-09 | Baker Hughes Incorporated | Estimating molecular size distributions in formation fluid samples using a downhole NMR fluid analyzer |
US9822610B2 (en) * | 2013-07-31 | 2017-11-21 | Halliburton Energy Services, Inc. | Selective magnetic positioning tool |
US9822611B2 (en) | 2013-07-31 | 2017-11-21 | Halliburton Energy Services, Inc. | Selective magnetic positioning tool |
WO2015031027A1 (en) | 2013-08-30 | 2015-03-05 | Halliburton Energy Services, Inc. | Azimuthally-selective downhole nuclear magnetic resonance (nmr) tool |
CN203966707U (zh) * | 2014-06-23 | 2014-11-26 | 重庆大学 | 一种采用无源匀场的椭圆弧状单边核磁共振永磁体结构 |
-
2015
- 2015-04-07 US US14/680,254 patent/US10082594B2/en active Active
-
2016
- 2016-04-06 EP EP16777186.4A patent/EP3281001B1/en active Active
- 2016-04-06 CN CN201680020991.7A patent/CN107438777B/zh active Active
- 2016-04-06 BR BR112017021223-4A patent/BR112017021223B1/pt active IP Right Grant
- 2016-04-06 WO PCT/US2016/026185 patent/WO2016164441A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
CN107438777A (zh) | 2017-12-05 |
EP3281001A1 (en) | 2018-02-14 |
BR112017021223B1 (pt) | 2021-02-23 |
EP3281001B1 (en) | 2022-09-28 |
US20160299249A1 (en) | 2016-10-13 |
US10082594B2 (en) | 2018-09-25 |
EP3281001A4 (en) | 2018-12-19 |
WO2016164441A1 (en) | 2016-10-13 |
CN107438777B (zh) | 2020-07-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B06U | Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette] | ||
B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] |
Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 06/04/2016, OBSERVADAS AS CONDICOES LEGAIS. |