NO995119L - Prosessering av NMR-logger ved bruk av "Wavelet"-filter og iterativ inversjon - Google Patents

Prosessering av NMR-logger ved bruk av "Wavelet"-filter og iterativ inversjon

Info

Publication number
NO995119L
NO995119L NO995119A NO995119A NO995119L NO 995119 L NO995119 L NO 995119L NO 995119 A NO995119 A NO 995119A NO 995119 A NO995119 A NO 995119A NO 995119 L NO995119 L NO 995119L
Authority
NO
Norway
Prior art keywords
wavelet
filter
processing
iterative inversion
nmr logs
Prior art date
Application number
NO995119A
Other languages
English (en)
Other versions
NO995119D0 (no
Inventor
Songhua Chen
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.)
Filing date
Publication date
Application filed by Baker Hughes Inc filed Critical Baker Hughes Inc
Publication of NO995119D0 publication Critical patent/NO995119D0/no
Publication of NO995119L publication Critical patent/NO995119L/no

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]
    • G01R33/46—NMR spectroscopy
    • G01R33/4625—Processing of acquired signals, e.g. elimination of phase errors, baseline fitting, chemometric analysis

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geology (AREA)
  • Analytical Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Remote Sensing (AREA)
  • Geophysics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Complex Calculations (AREA)
NO995119A 1998-10-29 1999-10-21 Prosessering av NMR-logger ved bruk av "Wavelet"-filter og iterativ inversjon NO995119L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/182,624 US6225803B1 (en) 1998-10-29 1998-10-29 NMR log processing using wavelet filter and iterative inversion

Publications (2)

Publication Number Publication Date
NO995119D0 NO995119D0 (no) 1999-10-21
NO995119L true NO995119L (no) 2000-05-02

Family

ID=22669306

Family Applications (1)

Application Number Title Priority Date Filing Date
NO995119A NO995119L (no) 1998-10-29 1999-10-21 Prosessering av NMR-logger ved bruk av "Wavelet"-filter og iterativ inversjon

Country Status (5)

Country Link
US (1) US6225803B1 (no)
CA (1) CA2287654A1 (no)
GB (1) GB2345757B (no)
ID (1) ID23592A (no)
NO (1) NO995119L (no)

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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
US6690166B2 (en) * 2001-09-26 2004-02-10 Southwest Research Institute Nuclear magnetic resonance technology for non-invasive characterization of bone porosity and pore size distributions
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JP5113761B2 (ja) 2005-11-27 2013-01-09 アキュイタス・メディカル・リミテッド 空間周波数解析を使用する構造評価
US7502692B2 (en) * 2006-04-13 2009-03-10 Baker Hughes Incorporated Method and computer program product for estimating true intrinsic relaxation time and internal gradient from multigradient NMR logging
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US9720124B2 (en) * 2011-08-10 2017-08-01 Schlumberger Technology Corporation Logging in gas shale and other unconventional reservoirs
US10732314B2 (en) * 2011-09-01 2020-08-04 Schlumberger Technology Corporation Estimation of petrophysical and fluid properties using integral transforms in nuclear magnetic resonance
WO2013032573A2 (en) 2011-09-02 2013-03-07 Exxonmobil Upstream Research Company Using projection onto convex sets to constrain full-wavefield inversion
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US9222902B2 (en) 2012-01-09 2015-12-29 Schlumberger Technology Corporation Estimations of nuclear magnetic resonance measurement distributions
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US20130257424A1 (en) * 2012-03-27 2013-10-03 Schlumberger Technology Corporation Magnetic resonance rock analysis
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US10459117B2 (en) 2013-06-03 2019-10-29 Exxonmobil Upstream Research Company Extended subspace method for cross-talk mitigation in multi-parameter inversion
RU2543932C2 (ru) * 2013-06-19 2015-03-10 Общество с ограниченной ответственностью "ИмПро Технологии" Способ выполнения прямого и обратного вейвлет-преобразования
US9702998B2 (en) 2013-07-08 2017-07-11 Exxonmobil Upstream Research Company Full-wavefield inversion of primaries and multiples in marine environment
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US10036818B2 (en) 2013-09-06 2018-07-31 Exxonmobil Upstream Research Company Accelerating full wavefield inversion with nonstationary point-spread functions
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US10185046B2 (en) 2014-06-09 2019-01-22 Exxonmobil Upstream Research Company Method for temporal dispersion correction for seismic simulation, RTM and FWI
RU2016150545A (ru) 2014-06-17 2018-07-17 Эксонмобил Апстрим Рисерч Компани Быстрая вязкоакустическая и вязкоупругая инверсия полного волнового поля
US10838092B2 (en) 2014-07-24 2020-11-17 Exxonmobil Upstream Research Company Estimating multiple subsurface parameters by cascaded inversion of wavefield components
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US10386511B2 (en) 2014-10-03 2019-08-20 Exxonmobil Upstream Research Company Seismic survey design using full wavefield inversion
MY182815A (en) 2014-10-20 2021-02-05 Exxonmobil Upstream Res Co Velocity tomography using property scans
WO2016099747A1 (en) 2014-12-18 2016-06-23 Exxonmobil Upstream Research Company Scalable scheduling of parallel iterative seismic jobs
US10520618B2 (en) 2015-02-04 2019-12-31 ExxohnMobil Upstream Research Company Poynting vector minimal reflection boundary conditions
CA2972028C (en) 2015-02-13 2019-08-13 Exxonmobil Upstream Research Company Efficient and stable absorbing boundary condition in finite-difference calculations
CA2972033C (en) 2015-02-17 2019-07-23 Exxonmobil Upstream Research Company Multistage full wavefield inversion process that generates a multiple free data set
RU2017145541A (ru) 2015-06-04 2019-07-09 Эксонмобил Апстрим Рисерч Компани Способ построения свободных от многократных волн сейсмических изображений
US10838093B2 (en) 2015-07-02 2020-11-17 Exxonmobil Upstream Research Company Krylov-space-based quasi-newton preconditioner for full-wavefield inversion
RU2693495C1 (ru) 2015-10-02 2019-07-03 Эксонмобил Апстрим Рисерч Компани Полная инверсия волнового поля с компенсацией показателя качества
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US10768324B2 (en) 2016-05-19 2020-09-08 Exxonmobil Upstream Research Company Method to predict pore pressure and seal integrity using full wavefield inversion
RU2668636C1 (ru) * 2017-12-12 2018-10-02 Федеральное государственное бюджетное образовательное учреждение высшего образования "Санкт-Петербургский государственный университет" (СПбГУ) Способ определения диаметра пор пористых объектов
CN114186584B (zh) * 2021-12-06 2022-08-30 无锡鸣石峻致医疗科技有限公司 一种基于扩展指数模型对磁共振信号降噪的方法和设备

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Also Published As

Publication number Publication date
NO995119D0 (no) 1999-10-21
ID23592A (id) 2000-05-04
GB2345757A (en) 2000-07-19
GB2345757B (en) 2003-06-11
CA2287654A1 (en) 2000-04-29
US6225803B1 (en) 2001-05-01
GB9925449D0 (en) 1999-12-29

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