BRPI0404053A - Método para migração sìsmica usando operadores de extrapolação de profundidade explìcita com comprimento de operador variável dinamicamente - Google Patents

Método para migração sìsmica usando operadores de extrapolação de profundidade explìcita com comprimento de operador variável dinamicamente

Info

Publication number
BRPI0404053A
BRPI0404053A BR0404053-8A BRPI0404053A BRPI0404053A BR PI0404053 A BRPI0404053 A BR PI0404053A BR PI0404053 A BRPI0404053 A BR PI0404053A BR PI0404053 A BRPI0404053 A BR PI0404053A
Authority
BR
Brazil
Prior art keywords
extrapolation operators
depth extrapolation
explicitly
dynamically variable
seismic migration
Prior art date
Application number
BR0404053-8A
Other languages
English (en)
Inventor
Rune Mittet
Original Assignee
Pgs Geophysical As
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 Pgs Geophysical As filed Critical Pgs Geophysical As
Publication of BRPI0404053A publication Critical patent/BRPI0404053A/pt

Links

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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V2210/00—Details of seismic processing or analysis
    • G01V2210/50—Corrections or adjustments related to wave propagation
    • G01V2210/51—Migration
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V2210/00—Details of seismic processing or analysis
    • G01V2210/50—Corrections or adjustments related to wave propagation
    • G01V2210/57—Trace interpolation or extrapolation, e.g. for virtual receiver; Anti-aliasing for missing receivers

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)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Geophysics And Detection Of Objects (AREA)

Abstract

"MéTODO PARA MIGRAçãO SìSMICA USANDO OPERADORES DE EXTRAPOLAçãO DE PROFUNDIDADE EXPLìCITA COM COMPRIMENTO DE OPERADOR VARIáVEL DINAMICAMENTE". A presente invenção refere-se a operadores de extrapolação de profundidade explícita que são construídos com comprimentos de operador variáveis dependendo de ângulo de inclinação máximo, condição de acurácia e número de onda. As tabelas de operador são construídas, então, usando-se os operadores de extrapolação de profundidade explícita. Em uma outra modalidade, uma migração de profundidade é realizada usando-se os operadores de extrapolação de profundidade explícita a partir das tabelas de operador.
BR0404053-8A 2003-09-23 2004-09-23 Método para migração sìsmica usando operadores de extrapolação de profundidade explìcita com comprimento de operador variável dinamicamente BRPI0404053A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/668,909 US7039525B2 (en) 2003-09-23 2003-09-23 Method for seismic migration using explicit depth extrapolation operators with dynamically variable operator length

Publications (1)

Publication Number Publication Date
BRPI0404053A true BRPI0404053A (pt) 2005-07-12

Family

ID=33132089

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0404053-8A BRPI0404053A (pt) 2003-09-23 2004-09-23 Método para migração sìsmica usando operadores de extrapolação de profundidade explìcita com comprimento de operador variável dinamicamente

Country Status (8)

Country Link
US (1) US7039525B2 (pt)
AU (1) AU2004208729B2 (pt)
BR (1) BRPI0404053A (pt)
EA (1) EA007939B1 (pt)
EG (1) EG23660A (pt)
GB (1) GB2406408B (pt)
MX (1) MXPA04009215A (pt)
NO (1) NO20043448L (pt)

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US20070271040A1 (en) * 2006-05-22 2007-11-22 Jiaxiang Ren Method for seismic migration in anisotropic media with constrained explicit operators
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US8547783B2 (en) 2007-12-12 2013-10-01 Exxonmobil Upstream Research Company Method and apparatus for evaluating submarine formations
US8417458B2 (en) * 2009-08-21 2013-04-09 Westerngeco L.L.C. Removing ground-roll from geophysical data
US8542554B2 (en) * 2009-11-10 2013-09-24 Westerngeco L.L.C. Method for velocity model building and analysis
EP2606452A4 (en) 2010-08-16 2017-08-16 Exxonmobil Upstream Research Company Reducing the dimensionality of the joint inversion problem
GB2489913B (en) 2011-04-04 2013-05-29 Geco Technology Bv Seismic interferometry for ground roll and noise attenuation
EP2715603A4 (en) 2011-06-02 2016-07-13 Exxonmobil Upstream Res Co JOINT INVERSION WITH UNKNOWN LITHOLOGY
EP2721478A4 (en) 2011-06-17 2015-12-02 Exxonmobil Upstream Res Co FREEZING OF DOMAINS IN A CONNECTION VERSION
US9494711B2 (en) 2011-07-21 2016-11-15 Garrett M Leahy Adaptive weighting of geophysical data types in joint inversion
US9588245B2 (en) * 2012-12-27 2017-03-07 King Abdullah University Of Science And Technology Efficient wavefield extrapolation in anisotropic media
US9322944B2 (en) 2013-03-15 2016-04-26 Pgs Geophysical As Wavefield regularization by 3-D wavefield decomposition for geophysical data
US10379245B2 (en) 2013-07-03 2019-08-13 Pgs Geophysical As Method and system for efficient extrapolation of a combined source-and-receiver wavefield
US9513392B2 (en) 2014-02-18 2016-12-06 Pgs Geophysical As Estimation of direct arrival signals based on predicted direct arrival signals and measurements
US9928315B2 (en) 2014-07-30 2018-03-27 Chevron U.S.A. Inc. Re-ordered interpolation and convolution for faster staggered-grid processing
CN108828659B (zh) * 2018-07-12 2020-02-14 中国石油天然气集团有限公司 基于傅里叶有限差分低秩分解的地震波场延拓方法及装置
CN114755724B (zh) * 2022-03-31 2024-11-22 中国石油大学(华东) 基于空间构造约束的叠前地震三维多道反演方法
CN117368980B (zh) * 2023-09-27 2026-04-10 中海石油(中国)有限公司 一种通过频率外推提高地震资料分辨率的方法和系统

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US3611278A (en) * 1969-07-17 1971-10-05 Mobil Oil Corp Interval velocity determination
US3622965A (en) * 1970-06-18 1971-11-23 Western Geophysical Co Method of geophysical prospecting by measuring the attenuation of seismic waves in the earth
US4110729A (en) * 1975-02-13 1978-08-29 Texaco Inc. Reflection seismic exploration: determining interval velocity in a subsurface layer
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US5235555A (en) * 1992-10-23 1993-08-10 Western Atlas International, Inc. Diving-wave migration using airy functions
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Also Published As

Publication number Publication date
AU2004208729B2 (en) 2008-12-11
AU2004208729A1 (en) 2005-04-07
US7039525B2 (en) 2006-05-02
GB2406408A (en) 2005-03-30
MXPA04009215A (es) 2005-06-03
GB2406408B (en) 2007-10-31
NO20043448L (no) 2005-03-29
US20050065731A1 (en) 2005-03-24
EA007939B1 (ru) 2007-02-27
EG23660A (en) 2007-03-27
GB0419069D0 (en) 2004-09-29
EA200401091A1 (ru) 2005-04-28

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 7A ANUIDADE.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2159 DE 22/05/2012.