EA201300629A1 - Способ сейсмических исследований и сейсморазведочная система - Google Patents

Способ сейсмических исследований и сейсморазведочная система

Info

Publication number
EA201300629A1
EA201300629A1 EA201300629A EA201300629A EA201300629A1 EA 201300629 A1 EA201300629 A1 EA 201300629A1 EA 201300629 A EA201300629 A EA 201300629A EA 201300629 A EA201300629 A EA 201300629A EA 201300629 A1 EA201300629 A1 EA 201300629A1
Authority
EA
Eurasian Patent Office
Prior art keywords
sources
seismic
approximately
image quality
group
Prior art date
Application number
EA201300629A
Other languages
English (en)
Other versions
EA025447B1 (ru
Inventor
Алан А. Росс
Реймонд Абма
Original Assignee
Бп Корпорейшн Норт Америка 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 Бп Корпорейшн Норт Америка Инк. filed Critical Бп Корпорейшн Норт Америка Инк.
Publication of EA201300629A1 publication Critical patent/EA201300629A1/ru
Publication of EA025447B1 publication Critical patent/EA025447B1/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
    • G01V1/003—Seismic data acquisition in general, e.g. survey design
    • G01V1/006—Seismic data acquisition in general, e.g. survey design generating single signals by using more than one generator, e.g. beam steering or focusing arrays
    • 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
    • G01V1/38—Seismology; Seismic or acoustic prospecting or detecting specially adapted for water-covered areas
    • G01V1/3861—Seismology; Seismic or acoustic prospecting or detecting specially adapted for water-covered areas control of source arrays, e.g. for far field control

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Remote Sensing (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)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)

Abstract

Максимальная мощность группы сейсмических источников может быть снижена при помощи активирования отдельных сейсмических источников, входящих в группу сейсмических источников, согласно некоторой схеме, которая характеризуется некоторой продолжительностью по времени, по сравнению с используемым в настоящее время одновременным активированием большого числа индивидуальных сейсмических источников. Раскрыты способы, которые предусматривают использование данных возбуждения, осуществленного с использованием структурированных источников, а также возможность использования способа разреженной инверсии для создания данных, характеризующихся приблизительно таким же качеством изображения, как и качество изображения стандартных источников. Таким образом, мощность на выходе максимального импульса группы сейсмических источников может быть снижена в представленных в настоящем документе примерах на амплитудный коэффициент, равняющийся приблизительно 10, что соответствует снижению на приблизительно 20 дБ с фактическим сохранением того же качества сейсмического изображения. Раскрытые способы могут быть использованы в сочетании с какой-либо технологией одновременного использования источников. Кроме того, раскрытые способы могут быть использованы совместно с несколькими группами источников.
EA201300629A 2010-12-09 2011-12-09 Способ сейсмических исследований и сейсморазведочная система EA025447B1 (ru)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US42127410P 2010-12-09 2010-12-09
US201161503407P 2011-06-30 2011-06-30
PCT/US2011/064144 WO2012078978A1 (en) 2010-12-09 2011-12-09 Seismic acquisition method and system

Publications (2)

Publication Number Publication Date
EA201300629A1 true EA201300629A1 (ru) 2013-11-29
EA025447B1 EA025447B1 (ru) 2016-12-30

Family

ID=45406889

Family Applications (1)

Application Number Title Priority Date Filing Date
EA201300629A EA025447B1 (ru) 2010-12-09 2011-12-09 Способ сейсмических исследований и сейсморазведочная система

Country Status (8)

Country Link
US (1) US8837255B2 (ru)
EP (1) EP2649472B1 (ru)
AU (1) AU2011338244A1 (ru)
BR (1) BR112013014328B1 (ru)
CA (1) CA2820925C (ru)
EA (1) EA025447B1 (ru)
MX (1) MX2013006454A (ru)
WO (1) WO2012078978A1 (ru)

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Also Published As

Publication number Publication date
BR112013014328A2 (pt) 2016-09-27
EP2649472B1 (en) 2016-05-11
US20120147701A1 (en) 2012-06-14
BR112013014328B1 (pt) 2021-01-19
AU2011338244A1 (en) 2013-07-11
EP2649472A1 (en) 2013-10-16
US8837255B2 (en) 2014-09-16
WO2012078978A1 (en) 2012-06-14
CA2820925C (en) 2018-06-26
MX2013006454A (es) 2013-12-06
CA2820925A1 (en) 2012-06-14
EA025447B1 (ru) 2016-12-30

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MM4A Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s)

Designated state(s): AM BY KZ KG MD TJ TM RU