WO2004025308A3 - Nmr tool with helical polarization - Google Patents

Nmr tool with helical polarization Download PDF

Info

Publication number
WO2004025308A3
WO2004025308A3 PCT/US2003/028288 US0328288W WO2004025308A3 WO 2004025308 A3 WO2004025308 A3 WO 2004025308A3 US 0328288 W US0328288 W US 0328288W WO 2004025308 A3 WO2004025308 A3 WO 2004025308A3
Authority
WO
WIPO (PCT)
Prior art keywords
num
borehole
collar
magnetic field
twisted
Prior art date
Application number
PCT/US2003/028288
Other languages
French (fr)
Other versions
WO2004025308A2 (en
Inventor
Peter Masak
Sergei Knizhnik
Original Assignee
Halliburton Energy Serv 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 Halliburton Energy Serv Inc filed Critical Halliburton Energy Serv Inc
Priority to AU2003267080A priority Critical patent/AU2003267080A1/en
Publication of WO2004025308A2 publication Critical patent/WO2004025308A2/en
Publication of WO2004025308A3 publication Critical patent/WO2004025308A3/en

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

Abstract

Nuclear magnetic resonance well logging apparatus (#20) and method of use for geophysical examination of a borehole as the borehole is drilled. The apparatus (#20) is connected to the drill bit (#36) to follow it through the borehole as the borehole is formed. The apparatus (#20) comprises a non-magnetic protective collar (#34) with lateral protrusions or wings (#40), which provide enhanced abrasion resistance, strength, and rigidity to the probe section (#24). This collar (#34) is twisted about its longitudinal axis (#28). The apparatus also comprises one or more permanent magnets (#46) within the metal collar (#34) and an antenna (#26) mounted outside of the collar (#34). Both the magnet (#46) and the antenna (#26) are twisted about the longitudinal axis (#28) of the probe section (#24) to produce a generally helical static magnetic field and a radio frequency magnetic field that is substantially orthogonal to the static magnetic field.
PCT/US2003/028288 2002-09-11 2003-09-11 Nmr tool with helical polarization WO2004025308A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003267080A AU2003267080A1 (en) 2002-09-11 2003-09-11 Nmr tool with helical polarization

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US40977302P 2002-09-11 2002-09-11
US60/409,773 2002-09-11

Publications (2)

Publication Number Publication Date
WO2004025308A2 WO2004025308A2 (en) 2004-03-25
WO2004025308A3 true WO2004025308A3 (en) 2004-05-06

Family

ID=31994000

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2003/028288 WO2004025308A2 (en) 2002-09-11 2003-09-11 Nmr tool with helical polarization

Country Status (3)

Country Link
US (1) US6956372B2 (en)
AU (1) AU2003267080A1 (en)
WO (1) WO2004025308A2 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7301338B2 (en) * 2001-08-13 2007-11-27 Baker Hughes Incorporated Automatic adjustment of NMR pulse sequence to optimize SNR based on real time analysis
GB2453275B (en) 2006-05-01 2009-09-02 Schlumberger Holdings Logging tool sonde sleeve
WO2007147054A2 (en) * 2006-06-14 2007-12-21 Kasevich Raymond S In-situ radiofrequency heating of fractured bedrock for removal or conversion of liquids gases and solids
US9632204B2 (en) * 2013-11-13 2017-04-25 Halliburton Energy Services, Inc. Dual antenna for circular polarization
US9771789B2 (en) * 2014-04-11 2017-09-26 Schlumberger Technology Corporation Asymmetric excluder for downhole logging tool
MX2016013317A (en) * 2014-05-06 2017-01-18 Halliburton Energy Services Inc Front tangential antenna for nuclear magnetic resonance (nmr) well logging.
CN107250826B (en) 2014-12-30 2021-02-02 哈里伯顿能源服务公司 Nuclear magnetic resonance tool with projections for improved measurement
GB2533954B (en) * 2015-01-08 2017-10-25 Reeves Wireline Tech Ltd Communication methods and apparatuses for downhole logging tools
BR112019001717B1 (en) * 2016-08-08 2022-09-06 Halliburton Energy Services Inc UNDERGROUND CHARACTERIZATION DEVICE AND FLUID SAMPLING AND, UNDERGROUND CHARACTERIZATION METHOD
US10739490B2 (en) 2016-08-08 2020-08-11 Halliburton Energy Services, Inc. Dual zone nuclear magnetic resonance sensing device for subterranean characterization

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Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992010768A1 (en) * 1990-12-05 1992-06-25 Numar Corporation System for logging a well during the drilling thereof
US5280243A (en) * 1990-12-05 1994-01-18 Numar Corporation System for logging a well during the drilling thereof
US6051973A (en) * 1996-12-30 2000-04-18 Numar Corporation Method for formation evaluation while drilling
US6242913B1 (en) * 1996-12-30 2001-06-05 Numar Corporation Method for formation evaluation while drilling

Also Published As

Publication number Publication date
AU2003267080A8 (en) 2004-04-30
US6956372B2 (en) 2005-10-18
US20040056658A1 (en) 2004-03-25
WO2004025308A2 (en) 2004-03-25
AU2003267080A1 (en) 2004-04-30

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