EA201370094A3 - Способ и система для вычисления эффективной сигнатуры источника на основе измерений в ближней зоне и моделируемых эффективных сигнатур - Google Patents

Способ и система для вычисления эффективной сигнатуры источника на основе измерений в ближней зоне и моделируемых эффективных сигнатур

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Publication number
EA201370094A3
EA201370094A3 EA201370094A EA201370094A EA201370094A3 EA 201370094 A3 EA201370094 A3 EA 201370094A3 EA 201370094 A EA201370094 A EA 201370094A EA 201370094 A EA201370094 A EA 201370094A EA 201370094 A3 EA201370094 A3 EA 201370094A3
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EA
Eurasian Patent Office
Prior art keywords
signatures
effective
simulated
field
measured
Prior art date
Application number
EA201370094A
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English (en)
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EA030514B1 (ru
EA201370094A2 (ru
Inventor
Стиан Хегна
Фабьен Жюлльяр
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Пгс Геофизикал Ас
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Application filed by Пгс Геофизикал Ас filed Critical Пгс Геофизикал Ас
Publication of EA201370094A2 publication Critical patent/EA201370094A2/ru
Publication of EA201370094A3 publication Critical patent/EA201370094A3/ru
Publication of EA030514B1 publication Critical patent/EA030514B1/ru

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/38Seismology; Seismic or acoustic prospecting or detecting specially adapted for water-covered areas
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/02Generating seismic energy
    • G01V1/104Generating seismic energy using explosive charges
    • G01V1/13Arrangements or disposition of charges to produce a desired pattern in space or time
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/003Seismic data acquisition in general, e.g. survey design
    • G01V1/006Seismic data acquisition in general, e.g. survey design generating single signals by using more than one generator, e.g. beam steering or focusing arrays
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V2210/00Details of seismic processing or analysis
    • G01V2210/50Corrections or adjustments related to wave propagation

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  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • General Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Acoustics & Sound (AREA)
  • Geophysics (AREA)
  • Oceanography (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Paper (AREA)
  • Measuring Fluid Pressure (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Feedback Control In General (AREA)
  • Measurement Of Resistance Or Impedance (AREA)

Abstract

Описаны способы и системы для вычисления эффективных сигнатур источников на основе моделируемых эффективных сигнатур и измеряемых сигнатур ближней зоны. Моделируемые сигнатуры ближней зоны вычисляются на основе моделируемых эффективных сигнатур. Низкие весовые коэффициенты присваивают частям спектра волнового поля давления источника, в которых сигнатуры менее достоверны, а более высокие весовые коэффициенты - частям спектра волнового поля давления источника, в которых сигнатуры более достоверны. Часть спектра, в которой оба набора сигнатур являются достоверными, может использоваться для контроля качества и для сравнения измеряемых сигнатур ближней зоны с моделируемыми сигнатурами ближней зоны. Если имеют место неопределенности, связанные с входными параметрами моделирования, входные параметры могут масштабироваться с целью минимизации разностей между измеряемыми и моделируемыми сигнатурами ближней зоны. Результирующие сигнатуры ближней зоны вычисляют путем взвешенного суммирования измеряемых и моделируемых сигнатур ближней зоны, а эффективные сигнатуры источников определяют на основе результирующих сигнатур ближней зоны.
EA201370094A 2012-05-30 2013-05-15 Способ и система для вычисления условной сигнатуры источника на основе измерений в ближней зоне и моделируемых условных сигнатур EA030514B1 (ru)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13/483,327 US10241218B2 (en) 2012-05-30 2012-05-30 Methods and systems for computing notional source signatures from near-field measurements and modeled notional signatures

Publications (3)

Publication Number Publication Date
EA201370094A2 EA201370094A2 (ru) 2013-12-30
EA201370094A3 true EA201370094A3 (ru) 2014-02-28
EA030514B1 EA030514B1 (ru) 2018-08-31

Family

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Family Applications (1)

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EA201370094A EA030514B1 (ru) 2012-05-30 2013-05-15 Способ и система для вычисления условной сигнатуры источника на основе измерений в ближней зоне и моделируемых условных сигнатур

Country Status (9)

Country Link
US (1) US10241218B2 (ru)
EP (1) EP2669715B1 (ru)
CN (1) CN103630931B (ru)
AU (1) AU2013205825B2 (ru)
BR (1) BR102013012959B1 (ru)
CA (1) CA2815265C (ru)
EA (1) EA030514B1 (ru)
MX (1) MX336398B (ru)
MY (1) MY168895A (ru)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8522915B2 (en) * 2007-12-19 2013-09-03 Westerngeco L.L.C. Method and system for selecting parameters of a seismic source array
US9513392B2 (en) 2014-02-18 2016-12-06 Pgs Geophysical As Estimation of direct arrival signals based on predicted direct arrival signals and measurements
US10302789B2 (en) 2014-03-14 2019-05-28 Cgg Services Sas Method and apparatus for estimating source signature in shallow water
US10317543B2 (en) 2014-04-14 2019-06-11 Pgs Geophysical As Estimation of a far field signature in a second direction from a far field signature in a first direction
US10073183B2 (en) 2014-10-20 2018-09-11 Pgs Geophysical As Methods and systems that attenuate noise in seismic data
WO2016207720A1 (en) 2015-06-22 2016-12-29 Cgg Services Sa Gun position calibration method
CN112180432B (zh) * 2020-09-01 2023-10-20 中国科学院深圳先进技术研究院 一种基于电晕放电的高效率电火花震源系统及设置方法

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DE3277988D1 (en) 1981-05-29 1988-02-18 Britoil Plc Method of determining the signatures of arrays of marine seismic sources, and of accumulating data for use in such methods
US6901028B2 (en) 2002-03-14 2005-05-31 Input/Output, Inc. Marine seismic survey apparatus with graphical user interface and real-time quality control
AU2003230649A1 (en) 2002-03-14 2003-09-29 Input/Output, Inc. Method and apparatus for marine source diagnostics and gui for operating same
US7218572B2 (en) * 2004-05-20 2007-05-15 Pgs Exploration (Uk) Limited Method of seismic source monitoring using modeled source signatures with calibration functions
GB2419196B (en) * 2004-10-13 2007-03-14 Westerngeco Ltd Processing data representing energy propagating through a medium
GB2425838B (en) 2005-05-03 2007-06-27 Westerngeco Seismic Holdings Source signature deconvolution method
EP2223158A4 (en) * 2007-12-14 2017-12-27 Exxonmobil Upstream Research Company Modeling subsurface processes on unstructured grid
BRPI0902889A2 (pt) * 2008-04-10 2017-08-29 Prad Res & Development Ltd Método para criar um modelo de pseudonúcleo numérico, sistema para criação de um modelo de pseudonúcleo numérico, e sistema para criar um modelo de pseudonúcleo numérico.
US8917573B2 (en) 2008-07-16 2014-12-23 Westerngeco L.L.C. Measuring far field signature of a seismic source
GB2479299B (en) 2009-03-27 2011-11-16 Geco Technology Bv Processing seismic data
WO2011064317A2 (de) * 2009-11-26 2011-06-03 Leica Geosystems Ag Kalibrierverfahren und winkelmessverfahren für eine winkelmesseinrichtung sowie winkelmesseinrichtung

Also Published As

Publication number Publication date
AU2013205825A1 (en) 2013-12-19
CA2815265C (en) 2020-04-14
EA030514B1 (ru) 2018-08-31
MY168895A (en) 2018-12-04
CN103630931A (zh) 2014-03-12
EP2669715A3 (en) 2015-04-15
CA2815265A1 (en) 2013-11-30
EA201370094A2 (ru) 2013-12-30
MX2013006041A (es) 2013-11-29
EP2669715B1 (en) 2018-08-15
AU2013205825B2 (en) 2016-09-22
MX336398B (es) 2016-01-15
US20130325427A1 (en) 2013-12-05
CN103630931B (zh) 2019-03-01
US10241218B2 (en) 2019-03-26
BR102013012959A2 (pt) 2015-11-10
BR102013012959B1 (pt) 2021-04-27
EP2669715A2 (en) 2013-12-04

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