BR9916789A - Processos para predição e remoção de múltiplos relacionados a superfìcie em uma coleção de traços de dados sìsmicos - Google Patents

Processos para predição e remoção de múltiplos relacionados a superfìcie em uma coleção de traços de dados sìsmicos

Info

Publication number
BR9916789A
BR9916789A BR9916789-1A BR9916789A BR9916789A BR 9916789 A BR9916789 A BR 9916789A BR 9916789 A BR9916789 A BR 9916789A BR 9916789 A BR9916789 A BR 9916789A
Authority
BR
Brazil
Prior art keywords
seismic data
collection
multiples
data traces
traces
Prior art date
Application number
BR9916789-1A
Other languages
English (en)
Inventor
Fernanda A Gasparotto
Yiu-Wa August Lau
Original Assignee
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.)
Filing date
Publication date
Application filed by Exxonmobil Upstream Res Co filed Critical Exxonmobil Upstream Res Co
Publication of BR9916789A publication Critical patent/BR9916789A/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
    • G01V1/36—Effecting static or dynamic corrections on records, e.g. correcting spread; Correlating seismic signals; Eliminating effects of unwanted energy
    • 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
    • G01V2210/52—Move-out correction
    • 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
    • G01V2210/56—De-ghosting; Reverberation compensation

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

"PROCESSOS PARA PREDIçãO E REMOçãO DE MúLTIPLOS RELACIONADOS A SUPERFìCIE EM UMA COLEçãO DE TRAçOS DE DADOS SìSMICOS". Um processo independente de velocidade de predição de múltiplos relacionados a superfície (20) em alguma coleção de traços de dados sísmicos. Em uma realização, o processo compreende as etapas de regularizar a coleção de traços de dados sísmicos e efetuar uma transformada de Fourier dupla (22), transformando os traços de dados sísmicos do domínio x - t para o domínio K~ X~- <sym>, (24) e decompor os traços de dados sísmicos transformados em espectros de amplitude e fase não acoplados. Obter uma estimativa dos múltiplos relacionados a superfície, (25) escalando o espectro de amplitude pela metade do valor do coeficiente refletido para a primeira reflexão abaixo da superfície da terra e duplicando o espectro de fase. Os múltiplos estimados, (25) podem ser então usados para determinação automatizada de velocidade ou para atenuação de múltiplo nos dados originais.
BR9916789-1A 1999-01-08 1999-11-29 Processos para predição e remoção de múltiplos relacionados a superfìcie em uma coleção de traços de dados sìsmicos BR9916789A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/227,745 US6094620A (en) 1999-01-08 1999-01-08 Method for identifying and removing multiples from seismic reflection data
PCT/US1999/028208 WO2000041005A1 (en) 1999-01-08 1999-11-29 Method for identifying and removing multiples from seismic reflection data

Publications (1)

Publication Number Publication Date
BR9916789A true BR9916789A (pt) 2001-10-09

Family

ID=22854283

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9916789-1A BR9916789A (pt) 1999-01-08 1999-11-29 Processos para predição e remoção de múltiplos relacionados a superfìcie em uma coleção de traços de dados sìsmicos

Country Status (6)

Country Link
US (1) US6094620A (pt)
EP (1) EP1153319A1 (pt)
BR (1) BR9916789A (pt)
CA (1) CA2357604A1 (pt)
NO (1) NO20013396L (pt)
WO (1) WO2000041005A1 (pt)

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US7675812B2 (en) * 2008-06-30 2010-03-09 Pgs Geophysical As Method for attenuation of multiple reflections in seismic data
US8509027B2 (en) * 2008-11-26 2013-08-13 Westerngeco L.L.C. Continuous adaptive surface wave analysis for three-dimensional seismic data
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US8274858B2 (en) 2009-11-12 2012-09-25 Pgs Geophysical As Method for full-bandwidth deghosting of marine seismic streamer data
US8737165B2 (en) * 2010-10-01 2014-05-27 Westerngeco L.L.C. Interferometric seismic data processing for a towed marine survey
US9170345B2 (en) * 2011-10-19 2015-10-27 Exxonmobil Upstream Research Company Near-offset extrapolation for free-surface multiple elimination in shallow marine environment
US9448315B2 (en) * 2011-12-27 2016-09-20 Cgg Services Sa Device and method for denoising ocean bottom data
US9405027B2 (en) * 2012-01-12 2016-08-02 Westerngeco L.L.C. Attentuating noise acquired in an energy measurement
CN102636811B (zh) * 2012-04-10 2014-01-29 恒泰艾普石油天然气技术服务股份有限公司 一种海上二维地震资料中多次波的消除方法
US20150198729A1 (en) * 2014-01-13 2015-07-16 Cgg Services Sa Regularization of spatially aliased seismic data
CN103995289B (zh) * 2014-05-19 2017-10-17 中国石油大学(华东) 基于时频谱模拟的时变混合相位地震子波提取方法
CN106019376B (zh) * 2016-05-09 2018-10-09 中国石油化工股份有限公司 一种频率驱动空变q值模型构建的地震波补偿方法
CN107656313B (zh) * 2017-10-12 2019-08-06 中国石油天然气集团公司 一种拉东域多次波压制方法及装置
CN108828664B (zh) * 2018-06-07 2019-12-10 中国石油天然气股份有限公司 一种多次波识别方法及装置
CN110737022B (zh) * 2018-07-20 2022-04-22 中国石油化工股份有限公司 一种可控震源激发地震资料黑三角区噪音的压制方法
CN111596358B (zh) * 2019-02-21 2023-04-07 中国石油天然气股份有限公司 一种多次波的压制方法、设备以及系统
CN113138419B (zh) 2020-01-20 2022-05-10 中国石油天然气集团有限公司 提取下行子波和衰减参数的方法、装置
CN113917535B (zh) * 2020-07-09 2024-01-23 中国石油化工股份有限公司 多次波干扰的压制方法、存储介质和计算机设备
CN112327363B (zh) * 2020-10-30 2021-10-15 中国海洋大学 基于扩展滤波的二维小波域多次波匹配衰减方法
CN113391346B (zh) * 2021-06-03 2022-11-22 中国海洋石油集团有限公司 一种基于同相轴斜率外推扩边的tau-p域层间多次波预测方法
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Also Published As

Publication number Publication date
CA2357604A1 (en) 2000-07-13
US6094620A (en) 2000-07-25
EP1153319A1 (en) 2001-11-14
WO2000041005A1 (en) 2000-07-13
WO2000041005A8 (en) 2001-03-08
NO20013396D0 (no) 2001-07-09
NO20013396L (no) 2001-09-06

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