BR0210003A - Supressão de múltiplos de fundo de águas fechadas e de múltiplos de réplicas para dados sìsmicos do fundo do oceano - Google Patents

Supressão de múltiplos de fundo de águas fechadas e de múltiplos de réplicas para dados sìsmicos do fundo do oceano

Info

Publication number
BR0210003A
BR0210003A BR0210003-7A BR0210003A BR0210003A BR 0210003 A BR0210003 A BR 0210003A BR 0210003 A BR0210003 A BR 0210003A BR 0210003 A BR0210003 A BR 0210003A
Authority
BR
Brazil
Prior art keywords
multiples
pressure
replica
closed water
suppression
Prior art date
Application number
BR0210003-7A
Other languages
English (en)
Inventor
Richard E Duren
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 BR0210003A publication Critical patent/BR0210003A/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
    • G01V1/364—Seismic filtering
    • 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
    • G01V2210/00—Details of seismic processing or analysis
    • G01V2210/50—Corrections or adjustments related to wave propagation
    • G01V2210/56—De-ghosting; Reverberation compensation

Landscapes

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

Abstract

"SUPRESSãO DE MúLTIPLOS DE FUNDO DE áGUAS FECHADAS E DE MúLTIPLOS DE RéPLICAS PARA DADOS SìSMICOS DO FUNDO DO OCEANO". A presente invenção diz respeito a um processo para remover múltiplos de base de águas fechada, múltiplos de réplicas do receptor lateral, e múltiplos de réplicas de fonte lateral a partir de dados do sensor duplo "OBC", cujos dados incluem tanto sinais de pressão como sinais de velocidade. os sinais de pressão e de velocidade são comparados para determinar qualquer inversão de polaridade entre eles. As inversões de polaridade são utilizadas para identificar e separar as ondas de campo de baixo para cima e de cima para baixo nos sinais de pressão e de velocidade. Um filtro de combinação é aplicado à parte do sinal de velocidade em que existem inversões de polaridade. A onda de campo de cima par baixo é depois avaliada pelo cálculo da diferença entre a parte do sinal de velocidade em que existem inversões de polaridade e a parte do sinal de pressão em que existem inversões de polaridade e aplicando um fator de escala ao resultado. Uma onda de campo de cima para baixo de pressão atenuada é depois determinada pela combinação da onda de campo de cima para baixo calculada com o sinal de pressão.
BR0210003-7A 2001-05-25 2002-05-22 Supressão de múltiplos de fundo de águas fechadas e de múltiplos de réplicas para dados sìsmicos do fundo do oceano BR0210003A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US29371601P 2001-05-25 2001-05-25
PCT/US2002/016196 WO2002097472A2 (en) 2001-05-25 2002-05-22 Multiple suppression for ocean bottom seismic data

Publications (1)

Publication Number Publication Date
BR0210003A true BR0210003A (pt) 2004-04-13

Family

ID=23130251

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0210003-7A BR0210003A (pt) 2001-05-25 2002-05-22 Supressão de múltiplos de fundo de águas fechadas e de múltiplos de réplicas para dados sìsmicos do fundo do oceano

Country Status (8)

Country Link
US (1) US6678207B2 (pt)
EP (1) EP1405105A2 (pt)
AU (1) AU2002310037B2 (pt)
BR (1) BR0210003A (pt)
CA (1) CA2446987C (pt)
MX (1) MXPA03010624A (pt)
NO (1) NO20035205D0 (pt)
WO (1) WO2002097472A2 (pt)

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Also Published As

Publication number Publication date
MXPA03010624A (es) 2004-05-05
CA2446987A1 (en) 2002-12-05
CA2446987C (en) 2009-12-15
US6678207B2 (en) 2004-01-13
NO20035205D0 (no) 2003-11-24
WO2002097472A3 (en) 2003-11-06
EP1405105A2 (en) 2004-04-07
AU2002310037B2 (en) 2006-10-05
US20030048696A1 (en) 2003-03-13
WO2002097472A2 (en) 2002-12-05

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Legal Events

Date Code Title Description
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]

Free format text: INDEFIRO O PEDIDO DE ACORDO COM O ART. 8O COMBINADO COM ART. 13 DA LPI

B12B Appeal against refusal [chapter 12.2 patent gazette]
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 14A 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: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2385 DE 20-09-2016 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.