BRPI0814897A2 - Ímãs termicamente estabilizados para uso em fundo de poço. - Google Patents

Ímãs termicamente estabilizados para uso em fundo de poço.

Info

Publication number: BRPI0814897A2
Authority: BR; Brazil
Prior art keywords: thermalizable; magnets; background use; well background; well
Prior art date: 2007-08-01

Application number

BRPI0814897-0A2A

Other languages

English (en)

Inventor

Martin Blanz

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.)

2007-08-01

Filing date

2008-08-01

Publication date

2015-02-03

2008-08-01 Application filed by Baker Hughes Inc filed Critical Baker Hughes Inc

2015-02-03 Publication of BRPI0814897A2 publication Critical patent/BRPI0814897A2/pt

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
- 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
- G01R33/38—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
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/02—Permanent magnets [PM]
- H01F7/0273—Magnetic circuits with PM for magnetic field generation
- H01F7/0294—Detection, inspection, magnetic treatment

Landscapes

Physics & Mathematics (AREA)
Life Sciences & Earth Sciences (AREA)
General Physics & Mathematics (AREA)
General Life Sciences & Earth Sciences (AREA)
High Energy & Nuclear Physics (AREA)
Condensed Matter Physics & Semiconductors (AREA)
Health & Medical Sciences (AREA)
Geology (AREA)
Environmental & Geological Engineering (AREA)
General Health & Medical Sciences (AREA)
Engineering & Computer Science (AREA)
Geochemistry & Mineralogy (AREA)
Geophysics (AREA)
Vascular Medicine (AREA)
Remote Sensing (AREA)
Chemical & Material Sciences (AREA)
Analytical Chemistry (AREA)
Biochemistry (AREA)
Immunology (AREA)
Pathology (AREA)
Geophysics And Detection Of Objects (AREA)
Magnetic Resonance Imaging Apparatus (AREA)

BRPI0814897-0A2A 2007-08-01 2008-08-01 Ímãs termicamente estabilizados para uso em fundo de poço. BRPI0814897A2 (pt)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US95324207P	2007-08-01	2007-08-01
PCT/US2008/071876 WO2009032444A2 (en)	2007-08-01	2008-08-01	Thermally stabilized magnets for use downhole

Publications (1)

Publication Number	Publication Date
BRPI0814897A2 true BRPI0814897A2 (pt)	2015-02-03

Family

ID=40344919

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BRPI0814897-0A2A BRPI0814897A2 (pt)	2007-08-01	2008-08-01	Ímãs termicamente estabilizados para uso em fundo de poço.

Country Status (4)

Country	Link
US (1)	US20090121711A1 (pt)
CN (1)	CN101772715A (pt)
BR (1)	BRPI0814897A2 (pt)
WO (1)	WO2009032444A2 (pt)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN105240000B (zh) *	2015-09-23	2018-04-17	中国石油大学(北京)	多探测深度的核磁共振测井仪及其探头、天线激励方法
WO2018063246A1 (en)	2016-09-29	2018-04-05	Halliburton Energy Services, Inc.	Rf flip angle adjustment in a downhole nmr tool
US20200241092A1 (en) *	2017-12-29	2020-07-30	Halliburton Energy Services, Inc.	Magnetic Assemblies For Downhole Nuclear Magnetic Resonance (NMR) Tools
EP4036085A1 (en) *	2021-01-27	2022-08-03	AMO Ireland	Compounds for optically active ophthalmic devices
CN117783017B (zh) *	2024-02-26	2024-06-21	中国科学院武汉岩土力学研究所	一种核磁共振与高光谱成像结合的岩土探测装置及方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3901741A (en) *	1973-08-23	1975-08-26	Gen Electric	Permanent magnets of cobalt, samarium, gadolinium alloy
JPS5724058B2 (pt) *	1973-11-12	1982-05-21
US6114851A (en) *	1999-02-12	2000-09-05	Baker Hughes Incorporated	Temperature compensated nuclear magnetic resonance apparatus and method
US7235970B2 (en) *	2000-06-28	2007-06-26	Baker Hughes Incorporated	Antenna core material for use in MWD resistivity measurements and NMR measurements
US7126332B2 (en) *	2001-07-20	2006-10-24	Baker Hughes Incorporated	Downhole high resolution NMR spectroscopy with polarization enhancement
US6841996B2 (en) *	2003-01-22	2005-01-11	Schlumberger Technology Corporation	Nuclear magnetic resonance apparatus and methods for analyzing fluids extracted from earth formation
EP1642156B1 (en) *	2003-05-02	2020-03-04	Halliburton Energy Services, Inc.	Systems and methods for nmr logging
US7026814B2 (en) *	2003-12-19	2006-04-11	Schlumberger Technology Corporation	Tuning of nuclear magnetic resonance logging tools
US7302841B2 (en) *	2005-01-11	2007-12-04	Estes James D	Free point tool with low mass sensor
GB2449032B (en) *	2006-02-17	2009-12-23	Baker Hughes Inc	Compensation of magnetic influence in a mwd system
US7847544B2 (en) *	2007-03-16	2010-12-07	Baker Hughes Incorporated	System and method for measuring formation temperature and/or pressure using nuclear quadrupole resonance

2008
- 2008-07-31 US US12/183,400 patent/US20090121711A1/en not_active Abandoned
- 2008-08-01 BR BRPI0814897-0A2A patent/BRPI0814897A2/pt not_active Application Discontinuation
- 2008-08-01 CN CN200880101521A patent/CN101772715A/zh active Pending
- 2008-08-01 WO PCT/US2008/071876 patent/WO2009032444A2/en not_active Ceased

Also Published As

Publication number	Publication date
US20090121711A1 (en)	2009-05-14
WO2009032444A3 (en)	2009-11-12
CN101772715A (zh)	2010-07-07
WO2009032444A2 (en)	2009-03-12

Publication	Publication Date	Title
BRPI0821668A2 (pt)	2015-06-16	Uso
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BR112012002349A2 (pt)	2015-10-13	composto,e, uso do mesmo
BRPI0815717A2 (pt)	2015-02-10	Compostos de imidazopirazina.
EP2150167A4 (en)	2012-09-05	SEMI-DISPOSABLE ENDOSCOPE
BRPI0813235A2 (pt)	2014-12-23	Combinação anti-helmíntica.
ATE513831T1 (de)	2011-07-15	Pyridinä3,4-büpyrazinone
EP2155602A4 (en)	2015-07-01	NANOTUBES OF BORON NITRIDE
DK2132326T3 (da)	2012-12-17	Fremgangsmåder
DE602008001005D1 (de)	2010-06-02	Kopfstütze
BRPI0816679A2 (pt)	2015-03-17	Derivados de ftalazinona.
BRPI0807502A2 (pt)	2014-05-20	Sistema para formação de fundo de lata.
BRPI0814897A2 (pt)	2015-02-03	Ímãs termicamente estabilizados para uso em fundo de poço.
NL1036308A1 (nl)	2009-06-22	Lithographic method.
FR2923713B1 (fr)	2010-09-10	Composition reductrice epaissie.
BRPI0807853A2 (pt)	2014-06-24	Prendedor para vestuário.
BRPI0822637A2 (pt)	2015-06-16	Uso de lanosta-8, 24-dien-3-óis
ATE519751T1 (de)	2011-08-15	Dihydro-benzoäbüä1,4üdiazepin-2-on- sulfonamidderivate
DK2225050T3 (da)	2013-03-11	Sorteringssystem
FR2903669B3 (fr)	2008-06-20	02isse demontable.
BRPI1007505A2 (pt)	2016-02-23	derivado de tetraidronaftaleno-2-ol, e, uso do mesmo.
BRPI0706249B1 (pt)	2010-09-08	reservatório-cobertura-piso para edificações.
ES1065835Y (es)	2008-02-16	Caperuza para cetreria
IT1392739B1 (it)	2012-03-16	Procedimento di stampa
ES1063735Y (es)	2007-03-01	Testero para persiana

Legal Events

Date	Code	Title	Description
2015-06-09	B11A	Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing
2015-09-08	B11Y	Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette]