BR112013010536A2 - sistema e método para inversão de dados sísmicos - Google Patents

sistema e método para inversão de dados sísmicos

Info

Publication number
BR112013010536A2
BR112013010536A2 BR112013010536A BR112013010536A BR112013010536A2 BR 112013010536 A2 BR112013010536 A2 BR 112013010536A2 BR 112013010536 A BR112013010536 A BR 112013010536A BR 112013010536 A BR112013010536 A BR 112013010536A BR 112013010536 A2 BR112013010536 A2 BR 112013010536A2
Authority
BR
Brazil
Prior art keywords
seismic data
frequency domain
modeled
phase
actual
Prior art date
Application number
BR112013010536A
Other languages
English (en)
Inventor
John Kenneth Washbourne
Kenneth Paul Bube
Nikhil Koolesh Shah
Original Assignee
Chevron Usa 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 Chevron Usa Inc filed Critical Chevron Usa Inc
Publication of BR112013010536A2 publication Critical patent/BR112013010536A2/pt

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/28—Processing seismic data, e.g. for interpretation or for event detection
    • G01V1/30—Analysis
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V2210/00—Details of seismic processing or analysis
    • G01V2210/40—Transforming data representation
    • G01V2210/45—F-x or F-xy domain
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V2210/00—Details of seismic processing or analysis
    • G01V2210/60—Analysis
    • G01V2210/61—Analysis by combining or comparing a seismic data set with other data
    • G01V2210/614—Synthetically generated data

Landscapes

  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)

Abstract

sistema e método para inversão de dados sísmicos. um sistema e método implementados por computador para determinar as propriedades de uma região de subsuperfície de interesse a partir de dados sísmicos são divulgados. numa modalidade, o método inclui a obtenção de dados sísmicos representativos da região de subsuperfície e um modelo de propriedade inicila da terra para a região de subsuperfície, realizando a modelagem a direito utilizando o modelo inicial de propriedade da terra para criar dados sísmicos modelados com as especificações de aquisição semelhantes às dos dados sísmicos reis, transformando os dados sísmicos reais e modelados num domínio de frequência de fourier temporal para criar dados sísmicos reais e modelados do domínio de freqüência em que os dados sísmicos reais domínio e modelados de domínio de freqüência incluem uma proção de amplitude e uma porção de fase, que medo o desajuste entre os dados sísmicos modelados do domínio de freqüência e dados sísmicos reais de domínio de freqüência para a produção de dados sísmicos residuais do domínio de freqüência, realizando fase de desmodulação da porção de fase de certos componentes de freqüência observados dos dados sísmicos residuais do domínio de freqüência para criar uma porção de fase residual desmodulada, invertendo a porção de fase residual desmodulada para determinar as propriedades desejadas da região de subsuperfície de interesse, em que a inversão minimiza uma função objetiva definida para medir o desajuste. o método pode também inclui a extrapolação de fase. além disso, o método pode incluir uma segunda etapa de inversão usando o resultado da primeira etapa de inversão como modelo de partida. o sistema inclui uma fonte de dados, uma interface de usuário, e um processador configurado para executar os módulos de computador concebidos para executar o método.
BR112013010536A 2011-06-08 2012-03-09 sistema e método para inversão de dados sísmicos BR112013010536A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/156,190 US9075159B2 (en) 2011-06-08 2011-06-08 System and method for seismic data inversion
PCT/US2012/028504 WO2012170091A1 (en) 2011-06-08 2012-03-09 System and method for seismic data inversion

Publications (1)

Publication Number Publication Date
BR112013010536A2 true BR112013010536A2 (pt) 2016-08-02

Family

ID=47293111

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112013010536A BR112013010536A2 (pt) 2011-06-08 2012-03-09 sistema e método para inversão de dados sísmicos

Country Status (8)

Country Link
US (1) US9075159B2 (pt)
EP (1) EP2718744A4 (pt)
CN (1) CN103270430A (pt)
AU (1) AU2012266874B2 (pt)
BR (1) BR112013010536A2 (pt)
CA (1) CA2819023A1 (pt)
EA (1) EA201391460A1 (pt)
WO (1) WO2012170091A1 (pt)

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Also Published As

Publication number Publication date
US9075159B2 (en) 2015-07-07
CA2819023A1 (en) 2012-12-13
CN103270430A (zh) 2013-08-28
AU2012266874B2 (en) 2015-06-11
EA201391460A1 (ru) 2014-02-28
WO2012170091A1 (en) 2012-12-13
AU2012266874A1 (en) 2013-04-04
EP2718744A4 (en) 2016-04-13
US20120314538A1 (en) 2012-12-13
EP2718744A1 (en) 2014-04-16

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