EG22372A - Apparatus and method for generating a pulse sequence - Google Patents

Apparatus and method for generating a pulse sequence

Info

Publication number
EG22372A
EG22372A EG137699A EG137699A EG22372A EG 22372 A EG22372 A EG 22372A EG 137699 A EG137699 A EG 137699A EG 137699 A EG137699 A EG 137699A EG 22372 A EG22372 A EG 22372A
Authority
EG
Egypt
Prior art keywords
generating
pulse sequence
pulse
sequence
Prior art date
Application number
EG137699A
Other languages
English (en)
Inventor
Peter Speier
Original Assignee
Schlumberger Holdings
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 Schlumberger Holdings filed Critical Schlumberger Holdings
Application granted granted Critical
Publication of EG22372A publication Critical patent/EG22372A/xx

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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geophysics (AREA)
  • Remote Sensing (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
EG137699A 1998-11-05 1999-11-02 Apparatus and method for generating a pulse sequence EG22372A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/186,721 US6291995B1 (en) 1998-03-03 1998-11-05 Apparatus and method for generating a pulse sequence

Publications (1)

Publication Number Publication Date
EG22372A true EG22372A (en) 2002-12-31

Family

ID=22686042

Family Applications (1)

Application Number Title Priority Date Filing Date
EG137699A EG22372A (en) 1998-11-05 1999-11-02 Apparatus and method for generating a pulse sequence

Country Status (11)

Country Link
US (1) US6291995B1 (de)
CN (1) CN1253295A (de)
AR (1) AR021072A1 (de)
AU (1) AU737702B2 (de)
CA (1) CA2285791C (de)
DE (1) DE19952786A1 (de)
EG (1) EG22372A (de)
GB (1) GB2343753B (de)
ID (1) ID25982A (de)
NL (1) NL1013480C2 (de)
NO (1) NO995394L (de)

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US6727696B2 (en) 1998-03-06 2004-04-27 Baker Hughes Incorporated Downhole NMR processing
US6566874B1 (en) * 1998-07-30 2003-05-20 Schlumberger Technology Corporation Detecting tool motion effects on nuclear magnetic resonance measurements
US6492809B1 (en) * 1998-12-04 2002-12-10 Schlumberger Technology Corporation Preconditioning spins near a nuclear magnetic resonance region
US7054831B2 (en) 1999-07-07 2006-05-30 Eric Koenig System and method for combining interactive game with interactive advertising
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
US6528995B1 (en) * 2001-09-10 2003-03-04 Schlumberger Technology Corporation Methods and apparatus for measuring flow velocity in a wellbore using NMR and applications using same
US6972564B2 (en) * 2001-11-06 2005-12-06 Baker Hughes Incorporated Objective oriented methods for NMR log acquisitions for estimating earth formation and fluid properties
US6774628B2 (en) * 2002-01-18 2004-08-10 Schlumberger Technology Corporation Nuclear magnetic resonance imaging using phase encoding with non-linear gradient fields
US6714009B2 (en) * 2002-05-16 2004-03-30 Schlumberger Technology Corporation Method for the inversion of CPMG measurements enhanced by often repeated short wait time measurements
US6765380B2 (en) * 2002-05-23 2004-07-20 Schlumberger Technology Corporation Determining wettability of an oil reservoir using borehole NMR measurements
US6937013B2 (en) * 2002-06-19 2005-08-30 Schlumberger Technology Corporation NMR tool for making formation evaluation measurements using gradient echoes
US6956370B2 (en) * 2002-10-04 2005-10-18 Schlumberger Technology Corporation Method for reducing ringing in NMR measurements by combining NMR signals having a spin echo and spurious signal component
CA2506752A1 (en) * 2002-11-19 2004-06-03 Baker Hughes Incorporated Azimuthal nmr imaging of formation properties from a wellbore
US6808028B2 (en) * 2002-12-03 2004-10-26 Schlumberger Technology Corporation Method and apparatus utilizing NMR measurements to gather information on a property of the earth formation surrounding a wellbore
US7463027B2 (en) * 2003-05-02 2008-12-09 Halliburton Energy Services, Inc. Systems and methods for deep-looking NMR logging
US6958604B2 (en) * 2003-06-23 2005-10-25 Schlumberger Technology Corporation Apparatus and methods for J-edit nuclear magnetic resonance measurement
GB2440280B (en) * 2004-05-05 2008-12-10 Baker Hughes Inc Reduction of motion artifacts in NMR
US7196516B2 (en) * 2004-08-16 2007-03-27 Baker Hughes Incorporated Correction of NMR artifacts due to constant-velocity axial motion and spin-lattice relaxation
US8538701B2 (en) 2007-05-08 2013-09-17 Halliburton Energy Services, Inc. Fluid conductivity measurement tool and methods
US8115481B2 (en) * 2007-07-23 2012-02-14 Baker Hughes Incorporated Method of discerning water from hydrocarbon fluids using downhole NMR instruments in petroleum reservoirs with formation brine
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
US9213124B2 (en) * 2013-03-22 2015-12-15 Oliden Technology, Llc Restorable antennae apparatus and system for well logging
WO2016076860A1 (en) * 2014-11-12 2016-05-19 Halliburton Energy Services, Inc. Borehole signal reduction for a side-looking nmr logging tool using a refocusing pulse flipping angle
EP3180495A4 (de) 2014-11-12 2017-08-16 Halliburton Energy Services, Inc. Bohrlochsignalreduktion für ein seitensicht-nmr-bohrlochmesswerkzeug mit einer magnetanordnung
US10436860B2 (en) 2014-11-12 2019-10-08 Haliburton Energy Services, Inc Borehole signal reduction for a side-looking NMR logging tool using an antenna
CN105116001A (zh) * 2015-09-23 2015-12-02 中国石油大学(北京) 基于二维核磁共振确定油泥中油水含量的方法及装置
US10126457B2 (en) 2016-03-04 2018-11-13 Baker Hughes, A Ge Company, Llc Motion detection and correction of magnetic resonance data
CN110785539B (zh) * 2017-06-28 2023-07-14 哈利伯顿能源服务公司 基于成本和结构约束而构造核磁共振(nmr)装置
US11947069B2 (en) 2018-05-15 2024-04-02 Schlumberger Technology Corporation Adaptive downhole acquisition system
CN112930427B (zh) 2018-09-28 2024-03-19 斯伦贝谢技术有限公司 弹性自适应井下采集系统
DE102019108764A1 (de) * 2019-04-03 2020-10-08 Leibniz-Institut für Photonische Technologien e. V. Mineraliendetektionsanordnung und Verfahren zur Detektion und Charakterisierung von Mineralien in einem Bohrloch

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US4412179A (en) * 1981-04-15 1983-10-25 Chevron Research Company Computer-controlled, portable pulsed NMR instrument and method of use wherein the times of RF interrogation are distributed over at least a cycle at the nuclear magnetization precessional frequency
US4389613A (en) * 1981-04-15 1983-06-21 Chevron Research Company Computer-controlled, portable pulsed NMR instrument and method of use
US4710713A (en) 1986-03-11 1987-12-01 Numar Corporation Nuclear magnetic resonance sensing apparatus and techniques
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US5055787A (en) 1986-08-27 1991-10-08 Schlumberger Technology Corporation Borehole measurement of NMR characteristics of earth formations
US4717878A (en) 1986-09-26 1988-01-05 Numar Corporation Nuclear magnetic resonance sensing apparatus and techniques
US4949045A (en) 1987-10-30 1990-08-14 Schlumberger Technology Corporation Well logging apparatus having a cylindrical housing with antennas formed in recesses and covered with a waterproof rubber layer
GB9022145D0 (en) 1990-10-11 1990-11-21 Oxford Instr Ltd Magnetic field generating assembly
US5212447A (en) 1990-12-03 1993-05-18 Numar Corporation Apparatus and technique for nmr diffusion measurement
MX9102363A (es) 1990-12-05 1992-06-01 Numar Corp Sistema de diagrafia de un pozo durante la perforacion del mismo.
US5705927A (en) 1992-07-30 1998-01-06 Schlumberger Technology Corporation Pulsed nuclear magnetism tool for formation evaluation while drilling including a shortened or truncated CPMG sequence
DK0581666T3 (da) 1992-07-30 1997-10-27 Schlumberger Ltd Impulsmoduleret kernemagnetisk værktøj til formationsevaluering under boring
US5432446A (en) * 1992-11-02 1995-07-11 Schlumberger Technology Corporation Borehole measurement of NMR characteristics of earth formation
US5291137A (en) 1992-11-02 1994-03-01 Schlumberger Technology Corporation Processing method and apparatus for processing spin echo in-phase and quadrature amplitudes from a pulsed nuclear magnetism tool and producing new output data to be recorded on an output record
US5363041A (en) 1992-12-31 1994-11-08 Schlumberger Technology Corporation Determining bound and unbound fluid volumes using nuclear magnetic resonance pulse sequences
US5596274A (en) 1992-12-31 1997-01-21 Schlumberger Technology Corporation Determining bound and unbound fluid volumes using nuclear magnetic resonance pulse sequences
US5432447A (en) 1993-08-11 1995-07-11 Board Of Trustees Of The Leland Stanford Junior University Phase unwrapping of MR phase images using poisson equation
US5451873A (en) 1993-10-05 1995-09-19 Schlumberger Technology Corporation Method and apparatus for determining the in situ larmor frequency of a wellbore NMR tool to compensate for accumulation of magnetic material on the magnet housing of the tool
US5497087A (en) * 1994-10-20 1996-03-05 Shell Oil Company NMR logging of natural gas reservoirs
AU711508B2 (en) 1995-03-23 1999-10-14 Schlumberger Technology B.V. Nuclear magnetic resonance borehole logging apparatus and method
US5828214A (en) 1996-02-23 1998-10-27 Western Atlas International, Inc. Method and apparatus for resistivity determination by nuclear magnetic resonance measurement
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
US5710511A (en) 1996-03-14 1998-01-20 Western Atlas International, Inc. Method and apparatus for eddy current suppression
MY122012A (en) * 1996-03-14 2006-03-31 Shell Int Research Determining a fluid fraction in an earth formation
US5767674A (en) 1996-04-17 1998-06-16 Griffin; Douglas D. Apparatus for protecting a magnetic resonance antenna
US6051973A (en) 1996-12-30 2000-04-18 Numar Corporation Method for formation evaluation while drilling

Also Published As

Publication number Publication date
ID25982A (id) 2000-11-16
GB9923664D0 (en) 1999-12-08
CA2285791C (en) 2003-04-01
NL1013480A1 (nl) 2000-05-09
AR021072A1 (es) 2002-06-12
US6291995B1 (en) 2001-09-18
NO995394L (no) 2000-05-08
NO995394D0 (no) 1999-11-04
GB2343753B (en) 2001-01-17
NL1013480C2 (nl) 2003-03-06
CN1253295A (zh) 2000-05-17
AU5359099A (en) 2000-05-25
CA2285791A1 (en) 2000-05-05
AU737702B2 (en) 2001-08-30
GB2343753A (en) 2000-05-17
DE19952786A1 (de) 2000-05-11

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