EA200100217A1 - Усовершенствованный способ повышения интенсивности двойного сейсмического волнового поля - Google Patents

Усовершенствованный способ повышения интенсивности двойного сейсмического волнового поля

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Publication number
EA200100217A1
EA200100217A1 EA200100217A EA200100217A EA200100217A1 EA 200100217 A1 EA200100217 A1 EA 200100217A1 EA 200100217 A EA200100217 A EA 200100217A EA 200100217 A EA200100217 A EA 200100217A EA 200100217 A1 EA200100217 A1 EA 200100217A1
Authority
EA
Eurasian Patent Office
Prior art keywords
noc
wave fields
intensity
propagating
increasing
Prior art date
Application number
EA200100217A
Other languages
English (en)
Inventor
Джоел Старр
Original Assignee
Пгс Дейта Процессинг, Инк.
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 Пгс Дейта Процессинг, Инк. filed Critical Пгс Дейта Процессинг, Инк.
Publication of EA200100217A1 publication Critical patent/EA200100217A1/ru

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
    • G01V1/38—Seismology; Seismic or acoustic prospecting or detecting specially adapted for water-covered areas
    • G01V1/3808—Seismic data acquisition, e.g. survey design
    • 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
    • G01V1/362—Effecting static or dynamic corrections; Stacking
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Acoustics & Sound (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Oceanography (AREA)
  • Geophysics And Detection Of Objects (AREA)

Abstract

Предлагаются способ и устройство для повышения интенсивности двойного волнового поля, т.е. для увеличения вклада каждого мнимого источника при формировании сейсмического изображения путем временного выравнивания распространяющихся вверх U и вниз D волновых полей с последующим суммированием U и D в процессе накопления. Способ повышения интенсивности двойного волнового поля включает регистрацию сейсмических данных, связанных с волновыми полями, распространяющимися как вверх, так и вниз. Для каждой из указанных групп волновых полей вычисляются пред-НОК и статические пост-НОК поправки. Затем вычисляются НОК/НСГ эффективные скорости на плавающих уровнях приведения для сейсмических данных в волновых полях, распространяющихся вверх и распространяющихся вниз. Вычисленные статические пред-НОК поправки, НОК/НСГ эффективные скорости и статические пост-НОК поправки используются для смещения волновых полей, распространяющихся вверх и распространяющихся вниз, на окончательный уровень приведения. После этого распространяющиеся вверх и вниз волновые поля суммируются для повышения интенсивности двойных волновых полей.Международная заявка была опубликована вместе с отчетом о международном поиске.
EA200100217A 1998-09-11 1999-08-23 Усовершенствованный способ повышения интенсивности двойного сейсмического волнового поля EA200100217A1 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/151,366 US6151275A (en) 1998-09-11 1998-09-11 Method of dual wavefield reinforcement
PCT/US1999/019165 WO2000016127A1 (en) 1998-09-11 1999-08-23 An improved method of dual wavefield reinforcement

Publications (1)

Publication Number Publication Date
EA200100217A1 true EA200100217A1 (ru) 2001-08-27

Family

ID=22538439

Family Applications (1)

Application Number Title Priority Date Filing Date
EA200100217A EA200100217A1 (ru) 1998-09-11 1999-08-23 Усовершенствованный способ повышения интенсивности двойного сейсмического волнового поля

Country Status (10)

Country Link
US (1) US6151275A (ru)
EP (1) EP1114333A1 (ru)
CN (1) CN1317096A (ru)
AU (1) AU760176B2 (ru)
CA (1) CA2339265A1 (ru)
EA (1) EA200100217A1 (ru)
EG (1) EG22112A (ru)
MX (1) MXPA01002606A (ru)
NO (1) NO20010674L (ru)
WO (1) WO2000016127A1 (ru)

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US7800977B2 (en) * 2004-06-01 2010-09-21 Westerngeco L.L.C. Pre-stack combining of over/under seismic data
CN1699973B (zh) * 2005-04-28 2012-05-09 天津先阳科技发展有限公司 利用浮动基准实现浓度测量的方法
US8243547B2 (en) * 2006-12-15 2012-08-14 Exxonmobil Upstream Research Co. Identification and suppression of multiples in ocean bottom seismic data
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US8321134B2 (en) * 2008-10-31 2012-11-27 Saudi Arabia Oil Company Seismic image filtering machine to generate a filtered seismic image, program products, and related methods
US20110158045A1 (en) * 2009-12-30 2011-06-30 Kenneth Karlsen System for adjusting geophysical sensor streamer front end towing depth
CN101907727B (zh) * 2010-08-17 2012-05-30 中国科学院地质与地球物理研究所 一种面波多分量转换波静校正方法
US20120113750A1 (en) 2010-11-08 2012-05-10 Saudi Arabian Oil Company Non-hyperbolic correction of seismic data
CN102176056B (zh) * 2011-02-18 2012-11-28 中国石油化工股份有限公司 基于时频分析的地震有效波多域能量补偿方法
US8964505B2 (en) * 2011-11-10 2015-02-24 Cggveritas Services Sa Device and method for determining seismic offset in marine acquisition
CN102759750A (zh) * 2012-07-06 2012-10-31 西安石油大学 一种瑞雷面波速度-波数分析方法
CN102759749B (zh) * 2012-07-06 2014-11-19 西安石油大学 一种瑞雷面波速度分析方法
US9453930B2 (en) 2012-11-01 2016-09-27 Pgs Geophysical As Systems and methods for high-resolution imaging using separated wavefields
US9791580B2 (en) 2014-04-17 2017-10-17 Pgs Geophysical As Methods and systems to separate wavefields using pressure wavefield data
CN109085644A (zh) * 2018-07-30 2018-12-25 中国石油化工股份有限公司 基于双射线走时的真地表成像方法
CN112099089B (zh) * 2019-06-17 2021-08-20 中国海洋大学 一种基于浮动基准面的山区地震资料静校正量计算方法

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Also Published As

Publication number Publication date
EG22112A (en) 2002-08-30
NO20010674D0 (no) 2001-02-09
NO20010674L (no) 2001-05-03
AU760176B2 (en) 2003-05-08
CA2339265A1 (en) 2000-03-23
EP1114333A1 (en) 2001-07-11
US6151275A (en) 2000-11-21
WO2000016127A1 (en) 2000-03-23
MXPA01002606A (es) 2002-04-08
CN1317096A (zh) 2001-10-10
AU5685999A (en) 2000-04-03

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