CA2197931A1 - Nuclear magnetic resonance well logging apparatus and method adapted for measurement-while-drilling - Google Patents

Nuclear magnetic resonance well logging apparatus and method adapted for measurement-while-drilling

Info

Publication number
CA2197931A1
CA2197931A1 CA002197931A CA2197931A CA2197931A1 CA 2197931 A1 CA2197931 A1 CA 2197931A1 CA 002197931 A CA002197931 A CA 002197931A CA 2197931 A CA2197931 A CA 2197931A CA 2197931 A1 CA2197931 A1 CA 2197931A1
Authority
CA
Canada
Prior art keywords
magnetic resonance
longitudinal axis
nuclear magnetic
magnetic field
magnet
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.)
Granted
Application number
CA002197931A
Other languages
French (fr)
Other versions
CA2197931C (en
Inventor
Gersh Taicher (Zvi)
Arcady Reiderman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Western Atlas International Inc
Original Assignee
Western Atlas International 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
Priority claimed from US08/606,089 external-priority patent/US5712566A/en
Application filed by Western Atlas International Inc filed Critical Western Atlas International Inc
Publication of CA2197931A1 publication Critical patent/CA2197931A1/en
Application granted granted Critical
Publication of CA2197931C publication Critical patent/CA2197931C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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]
    • G01R33/48—NMR imaging systems
    • G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
    • G01R33/56—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution
    • G01R33/563—Image enhancement or correction, e.g. subtraction or averaging techniques, e.g. improvement of signal-to-noise ratio and resolution of moving material, e.g. flow contrast angiography
    • G01R33/56341—Diffusion imaging

Abstract

A nuclear magnetic resonance sensing apparatus including a magnet for inducing a static magnetic field in materials to be analyzed, the magnetic field having uniform field strength around, being substantially rotationally symmetric and perpendicular to a longitudinal axis of the magnet. The apparatus includes means for generating a radio frequency magnetic field in the materials to be analyzed. The radio frequency magnetic field is substantially rotationally symmetric about the longitudinal axis and is parallel to the longitudinal axis within a sensitive volume containing the materials to be analyzed.
The apparatus includes means for receiving a nuclear magnetic resonance signal from the sensitive volume. In a preferred embodiment, the means for generating and means for receiving include an antenna coil wound so that turns of the coil lie in planes perpendicular to the longitudinal axis of the magnet.
CA002197931A 1996-02-23 1997-02-19 Nuclear magnetic resonance well logging apparatus and method adapted for measurement-while-drilling Expired - Fee Related CA2197931C (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US08/606,089 US5712566A (en) 1996-02-23 1996-02-23 Nuclear magnetic resonance apparatus and method
US08/606,089 1996-02-23
US08/746,209 1996-11-06
US08/746,209 US5757186A (en) 1996-02-23 1996-11-06 Nuclear magnetic resonance well logging apparatus and method adapted for measurement-while-drilling

Publications (2)

Publication Number Publication Date
CA2197931A1 true CA2197931A1 (en) 1997-08-24
CA2197931C CA2197931C (en) 2007-12-11

Family

ID=27085135

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002197931A Expired - Fee Related CA2197931C (en) 1996-02-23 1997-02-19 Nuclear magnetic resonance well logging apparatus and method adapted for measurement-while-drilling

Country Status (7)

Country Link
US (1) US5757186A (en)
CA (1) CA2197931C (en)
FR (1) FR2752946B1 (en)
GB (1) GB2310500B (en)
ID (1) ID16022A (en)
IL (1) IL120251A (en)
NO (1) NO327804B1 (en)

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FR2754066B1 (en) * 1996-10-01 1998-10-30 Oreal DEVICE FOR EXAMINING A LOW DEPTH VOLUME BY NUCLEAR MAGNETIC RESONANCE
US6069479A (en) * 1996-11-04 2000-05-30 Western Atlas International, Inc. Permanent magnet material composition and structure for eddy current suppression in a nuclear magnetic resonance sensing apparatus
US6531868B2 (en) 1996-12-30 2003-03-11 Halliburton Energy Services, Inc. System and methods for formation evaluation while drilling
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US6081116A (en) * 1997-04-21 2000-06-27 Baker Hughes Incorporated Nuclear magnetic resonance apparatus and method for geological applications
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US6255817B1 (en) 1997-06-23 2001-07-03 Schlumberger Technology Corporation Nuclear magnetic resonance logging with azimuthal resolution
US5977768A (en) * 1997-06-23 1999-11-02 Schlumberger Technology Corporation Nuclear magnetic resonance logging with azimuthal resolution
EP1057047B1 (en) * 1998-01-16 2008-08-06 Halliburton Energy Services, Inc. Method and apparatus for nuclear magnetic resonance measuring while drilling
US6184681B1 (en) * 1998-03-03 2001-02-06 Schlumberger Technology Corporation Apparatus and method for computing a distribution of spin-spin relaxation times
US6291995B1 (en) * 1998-03-03 2001-09-18 Schlumberger Technology Corporation Apparatus and method for generating a pulse sequence
US7501817B1 (en) 1998-03-03 2009-03-10 Schlumberger Technology Corporation Method and apparatus for generating an axisymmetric magnetic field
US6246236B1 (en) 1998-03-03 2001-06-12 Schlumberger Technology Corporation Apparatus and method for obtaining a nuclear magnetic resonance measurement while drilling
IL139168A0 (en) * 1998-04-22 2001-11-25 Southwest Res Inst Porosity and permeability measurement of underground formations containing crude oil, using epr response data
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US6566874B1 (en) 1998-07-30 2003-05-20 Schlumberger Technology Corporation Detecting tool motion effects on nuclear magnetic resonance measurements
US6255818B1 (en) 1998-08-18 2001-07-03 Schlumberger Technology Corporation Method and apparatus for performing magnetic resonance measurements
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US6429653B1 (en) 1999-02-09 2002-08-06 Baker Hughes Incorporated Method and apparatus for protecting a sensor in a drill collar
US6114851A (en) * 1999-02-12 2000-09-05 Baker Hughes Incorporated Temperature compensated nuclear magnetic resonance apparatus and method
US6489872B1 (en) 1999-05-06 2002-12-03 New Mexico Resonance Unilateral magnet having a remote uniform field region for nuclear magnetic resonance
US6661226B1 (en) 1999-08-13 2003-12-09 Halliburton Energy Services, Inc. NMR apparatus and methods for measuring volumes of hydrocarbon gas and oil
US6249259B1 (en) * 1999-09-30 2001-06-19 Gas Research Institute Downhole magnetic dipole antenna
US6255819B1 (en) 1999-10-25 2001-07-03 Halliburton Energy Services, Inc. System and method for geologically-enhanced magnetic resonance imaging logs
US7235970B2 (en) * 2000-06-28 2007-06-26 Baker Hughes Incorporated Antenna core material for use in MWD resistivity measurements and NMR measurements
US6522137B1 (en) 2000-06-28 2003-02-18 Schlumberger Technology Corporation Two-dimensional magnetic resonance imaging in a borehole
US6844727B2 (en) * 2000-06-28 2005-01-18 Baker Hughes Incorporated Method and apparatus of reducing ringing in a nuclear magnetic resonance probe
US6452388B1 (en) 2000-06-28 2002-09-17 Baker Hughes Incorporated Method and apparatus of using soft non-ferritic magnetic material in a nuclear magnetic resonance probe
US6348792B1 (en) * 2000-07-27 2002-02-19 Baker Hughes Incorporated Side-looking NMR probe for oil well logging
US6586931B2 (en) 2001-04-20 2003-07-01 Baker Hughes Incorporated NMR logging in the earth's magnetic field
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
US7295005B2 (en) * 2001-05-30 2007-11-13 Baker Hughes Incorporated Azimuthal NMR imaging while drilling
US6518756B1 (en) 2001-06-14 2003-02-11 Halliburton Energy Services, Inc. Systems and methods for determining motion tool parameters in borehole logging
US6525534B2 (en) 2001-06-15 2003-02-25 Halliburton Energy Services, Inc. System and methods for NMR signal processing without phase alternated pair stacking
FR2832255B1 (en) * 2001-11-13 2004-11-26 France Telecom COMB AND METHOD FOR DERIVING PRE-EXISTING WIRING
US6774628B2 (en) * 2002-01-18 2004-08-10 Schlumberger Technology Corporation Nuclear magnetic resonance imaging using phase encoding with non-linear gradient fields
US6765380B2 (en) 2002-05-23 2004-07-20 Schlumberger Technology Corporation Determining wettability of an oil reservoir using borehole NMR measurements
AU2003267080A1 (en) * 2002-09-11 2004-04-30 Halliburton Energy Services, Inc. Nmr tool with helical polarization
US6856132B2 (en) 2002-11-08 2005-02-15 Shell Oil Company Method and apparatus for subterranean formation flow imaging
US7164266B2 (en) * 2003-03-07 2007-01-16 Precision Energy Services, Inc. Nuclear magnetic resonance tool with conductive and non-conductive magnet assembly
US20040183538A1 (en) * 2003-03-19 2004-09-23 Tilman Hanstein Structure for electromagnetic induction well logging apparatus
US7463027B2 (en) * 2003-05-02 2008-12-09 Halliburton Energy Services, Inc. Systems and methods for deep-looking NMR logging
CA2540791C (en) 2003-10-03 2013-12-10 Halliburton Energy Services, Inc. System and methods for t1-based logging
US7176682B2 (en) * 2004-01-04 2007-02-13 Halliburton Energy Services, Inc. Method and apparatus for detecting hydrocarbons with NMR logs in wells drilled with oil-based muds
GB0417094D0 (en) * 2004-07-30 2004-09-01 Univ Aberdeen Magnetic resonance detection
US7586309B2 (en) * 2005-10-21 2009-09-08 Baker Hughes, Inc. Apparatus and method for guiding energy in a subsurface electromagnetic measuring system
WO2007141550A1 (en) * 2006-06-09 2007-12-13 University Court Of The University Of Aberdeen Resonance enhanced drilling: method and apparatus
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US8461836B2 (en) * 2007-08-30 2013-06-11 Technion Research & Development Foundation Limited Method and device for ex situ magnetic resonance analysis
CA2701762C (en) * 2007-10-12 2016-06-21 Robert D. Nielsen Non-destructive determination of the pore size distribution and the distribution of fluid flow velocities
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US8324895B2 (en) * 2009-01-23 2012-12-04 Baker Hughes Incorporated MWD/LWD NMR imaging with long echo trains
US8373412B2 (en) * 2009-01-23 2013-02-12 Baker Hughes Incorporated NMR-LWD imaging tool
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Also Published As

Publication number Publication date
US5757186A (en) 1998-05-26
ID16022A (en) 1997-08-28
FR2752946B1 (en) 2001-03-30
CA2197931C (en) 2007-12-11
IL120251A0 (en) 1997-06-10
GB2310500B (en) 2000-09-06
GB2310500A (en) 1997-08-27
NO970704L (en) 1997-08-25
NO327804B1 (en) 2009-09-28
GB9703389D0 (en) 1997-04-09
FR2752946A1 (en) 1998-03-06
IL120251A (en) 2000-12-06
NO970704D0 (en) 1997-02-14

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