BR112016024506A2 - inversão rápida de campo de onda viscoacústica e viscoelástica total - Google Patents

inversão rápida de campo de onda viscoacústica e viscoelástica total

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Publication number
BR112016024506A2
BR112016024506A2 BR112016024506A BR112016024506A BR112016024506A2 BR 112016024506 A2 BR112016024506 A2 BR 112016024506A2 BR 112016024506 A BR112016024506 A BR 112016024506A BR 112016024506 A BR112016024506 A BR 112016024506A BR 112016024506 A2 BR112016024506 A2 BR 112016024506A2
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BR
Brazil
Prior art keywords
viscoacoustic
adjunct
model
wave field
viscoelastic
Prior art date
Application number
BR112016024506A
Other languages
English (en)
Inventor
Kanevsky Alex
DENLI Huseyin
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Exxonmobil Upstream Res Co
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.)
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Publication date
Application filed by Exxonmobil Upstream Res Co filed Critical Exxonmobil Upstream Res Co
Publication of BR112016024506A2 publication Critical patent/BR112016024506A2/pt

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V20/00—Geomodelling in general
    • 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
    • G01V1/282—Application of seismic models, synthetic seismograms
    • 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
    • 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
    • G01V2210/616—Data from specific type of measurement
    • G01V2210/6161—Seismic or acoustic, e.g. land or sea measurements
    • 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
    • G01V2210/62—Physical property of subsurface
    • 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
    • G01V2210/67—Wave propagation modeling
    • G01V2210/675—Wave equation; Green's functions

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  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Geophysics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • Acoustics & Sound (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Electrophonic Musical Instruments (AREA)

Abstract

a presente invenção refere-se a um método, incluindo: obter um modelo geofísico inicial; modelar um campo de onda direto com equações de onda viscoacústicas ou viscoelástica; modelar um campo de onda adjunto com equações de onda viscoacústicas adjuntas ou viscoelásticas adjuntas, onde as equações de onda viscoacústicas adjuntas baseiam-se em uma variável auxiliar que é uma função tanto da pressão quanto uma variável de memória ou as equações de onda viscoelásticas adjunta baseiam-se em uma combinação de estresse e uma variável de memória, respectivamente; obter um gradiente de uma função de custo com base em uma combinação de um modelo do campo de onda direto e um modelo do campo de onda adjunto; e utilizar o gradiente da função de custo para atualizar o modelo geofísico inicial e obter um modelo geofísico atualizado.
BR112016024506A 2014-06-17 2015-04-22 inversão rápida de campo de onda viscoacústica e viscoelástica total BR112016024506A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201462013455P 2014-06-17 2014-06-17
PCT/US2015/027087 WO2015199800A1 (en) 2014-06-17 2015-04-22 Fast viscoacoustic and viscoelastic full-wavefield inversion

Publications (1)

Publication Number Publication Date
BR112016024506A2 true BR112016024506A2 (pt) 2017-08-15

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Family Applications (1)

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BR112016024506A BR112016024506A2 (pt) 2014-06-17 2015-04-22 inversão rápida de campo de onda viscoacústica e viscoelástica total

Country Status (11)

Country Link
US (1) US10054714B2 (pt)
EP (1) EP3158367A1 (pt)
KR (1) KR20170018952A (pt)
CN (1) CN106662664A (pt)
AU (1) AU2015280633B2 (pt)
BR (1) BR112016024506A2 (pt)
CA (1) CA2947410A1 (pt)
MX (1) MX362753B (pt)
RU (1) RU2016150545A (pt)
SG (1) SG11201608179PA (pt)
WO (1) WO2015199800A1 (pt)

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CN112327358B (zh) * 2020-10-29 2022-05-24 中国石油大学(华东) 一种粘滞性介质中声波地震数据正演模拟方法
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