BRPI0918020B8 - métodos de exploração sísmica - Google Patents

métodos de exploração sísmica Download PDF

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Publication number
BRPI0918020B8
BRPI0918020B8 BRPI0918020A BRPI0918020A BRPI0918020B8 BR PI0918020 B8 BRPI0918020 B8 BR PI0918020B8 BR PI0918020 A BRPI0918020 A BR PI0918020A BR PI0918020 A BRPI0918020 A BR PI0918020A BR PI0918020 B8 BRPI0918020 B8 BR PI0918020B8
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BR
Brazil
Prior art keywords
shots
seismic exploration
shot
exploration methods
sources
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BRPI0918020A
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English (en)
Inventor
L Abma Raymond
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Bp Corp North America Inc
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.)
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Publication date
Application filed by Bp Corp North America Inc filed Critical Bp Corp North America Inc
Publication of BRPI0918020A2 publication Critical patent/BRPI0918020A2/pt
Publication of BRPI0918020B1 publication Critical patent/BRPI0918020B1/pt
Publication of BRPI0918020B8 publication Critical patent/BRPI0918020B8/pt

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/003—Seismic data acquisition in general, e.g. survey design
    • G01V1/005—Seismic data acquisition in general, e.g. survey design with exploration systems emitting special signals, e.g. frequency swept signals, pulse sequences or slip sweep arrangements
    • 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

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  • 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)

Abstract

métodos de exploração sísmica. este é um método para separar fontes simultâneas que usa uma abordagem do tipo inversão. cada fonte será de preferência ativada num tempo aleatório com respeito às outras. estas demoras aleatórias tendem a tornar a interferência entre fontes incoerente, enquanto as reflexões criam eventos coerentes dentro de uma série de tiros. a separação dos tiros é realizada via um processo de inversão numérica que utiliza as varreduras para cada tiro, os tempos de início de cada tiro e a coercência de eventos de reflexão entre tiros próximos. este método permitirá que sondagens sísmicas sejam adquiridas mais rapida e mais economicamente.
BRPI0918020A 2008-08-15 2009-08-17 métodos de exploração sísmica BRPI0918020B8 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US8936308P 2008-08-15 2008-08-15
US15461309P 2009-02-23 2009-02-23
PCT/US2009/054064 WO2010019957A1 (en) 2008-08-15 2009-08-17 Method for separating independent simultaneous sources

Publications (3)

Publication Number Publication Date
BRPI0918020A2 BRPI0918020A2 (pt) 2015-11-17
BRPI0918020B1 BRPI0918020B1 (pt) 2019-09-10
BRPI0918020B8 true BRPI0918020B8 (pt) 2020-01-28

Family

ID=41279486

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0918020A BRPI0918020B8 (pt) 2008-08-15 2009-08-17 métodos de exploração sísmica

Country Status (7)

Country Link
US (1) US8295124B2 (pt)
EP (1) EP2356492B1 (pt)
CN (1) CN102124374B (pt)
BR (1) BRPI0918020B8 (pt)
CA (1) CA2731985C (pt)
EG (1) EG25929A (pt)
WO (1) WO2010019957A1 (pt)

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Also Published As

Publication number Publication date
US8295124B2 (en) 2012-10-23
CA2731985C (en) 2016-10-25
BRPI0918020A2 (pt) 2015-11-17
EP2356492B1 (en) 2013-01-09
CA2731985A1 (en) 2010-02-18
CN102124374B (zh) 2013-07-17
US20100039894A1 (en) 2010-02-18
EP2356492A1 (en) 2011-08-17
EG25929A (en) 2012-10-24
WO2010019957A1 (en) 2010-02-18
CN102124374A (zh) 2011-07-13
BRPI0918020B1 (pt) 2019-09-10

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