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BR0305398A - Método para determinar uma propriedade de formação geológica e a partir de medições de ressonância nuclear magnética e método para determinar uma propriedade das formações geológicas que circundam um furo de poço - Google Patents

Método para determinar uma propriedade de formação geológica e a partir de medições de ressonância nuclear magnética e método para determinar uma propriedade das formações geológicas que circundam um furo de poço

Info

Publication number
BR0305398A
BR0305398A BR0305398-9A BR0305398A BR0305398A BR 0305398 A BR0305398 A BR 0305398A BR 0305398 A BR0305398 A BR 0305398A BR 0305398 A BR0305398 A BR 0305398A
Authority
BR
Brazil
Prior art keywords
property
determining
magnetic resonance
geological formation
nuclear magnetic
Prior art date
Application number
BR0305398-9A
Other languages
English (en)
Inventor
Ralf Heidler
Original Assignee
Schlumberger Surenco Sa
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 Surenco Sa filed Critical Schlumberger Surenco Sa
Publication of BR0305398A publication Critical patent/BR0305398A/pt

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

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)
  • Geophysics And Detection Of Objects (AREA)

Abstract

"MéTODO PARA DETERMINAR UMA PROPRIEDADE DE FORMAçãO GEOLóGICA A PARTIR DE MEDIçõES DE RESSONâNCIA NUCLEAR MAGNéTICA E MéTODO PARA DETERMINAR UMA PROPRIEDADE DAS FORMAçõES GEOLóGICAS QUE CIRCUNDAM UM FURO DE POçO". Método para a determinação de uma propriedade de uma formação geológica a partir de medições de ressonância nuclear magnética inclui aplicar funções de supressão aos ecos-spin em pelo menos um conjunto de medições de "burst" para produzir um conjunto de dados de "burst" modificados, as funções de supressão para suprimir a contribuição dos ecos-sipn possuindo correção de polarização não desprezível; inverter o conjunto de dados de "burst" modificados e pelo menos um conjunto de medições de ecos-pin padrão para produzir uma distribuição do parâmetro de ressonância nuclear magnética, o pelo menos um conjunto de medições do eco-spin padrão e o pelo menos um conjunto de medições de "burst" sendo adquiridos sobre uma amostra da formação geológica; e computar a propriedade da formação geológica a partir da distribuição do parâmetro de ressonância nuclear magnética. O parâmetro de ressonância nuclear magnética inclui pelo menos um selecionado a partir de tempo de relaxação longitudinal, tempo de relaxação transversa, uma relação do tempo de relaxação longitudinal para tempo de relaxação transversa, e constante de difusão.
BR0305398-9A 2002-05-16 2003-05-16 Método para determinar uma propriedade de formação geológica e a partir de medições de ressonância nuclear magnética e método para determinar uma propriedade das formações geológicas que circundam um furo de poço BR0305398A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/147,749 US6714009B2 (en) 2002-05-16 2002-05-16 Method for the inversion of CPMG measurements enhanced by often repeated short wait time measurements

Publications (1)

Publication Number Publication Date
BR0305398A true BR0305398A (pt) 2004-05-25

Family

ID=29419097

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0305398-9A BR0305398A (pt) 2002-05-16 2003-05-16 Método para determinar uma propriedade de formação geológica e a partir de medições de ressonância nuclear magnética e método para determinar uma propriedade das formações geológicas que circundam um furo de poço

Country Status (6)

Country Link
US (1) US6714009B2 (pt)
CN (1) CN1458536A (pt)
BR (1) BR0305398A (pt)
CA (1) CA2427420C (pt)
GB (1) GB2394058B (pt)
RU (1) RU2003114307A (pt)

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Also Published As

Publication number Publication date
GB2394058A (en) 2004-04-14
CN1458536A (zh) 2003-11-26
RU2003114307A (ru) 2004-12-10
US6714009B2 (en) 2004-03-30
CA2427420C (en) 2005-08-23
GB2394058B (en) 2004-10-13
US20030214286A1 (en) 2003-11-20
CA2427420A1 (en) 2003-11-16

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