NO20074893L - Fremgangsmate for demping av stoy i marinseismiske lyttekabler - Google Patents

Fremgangsmate for demping av stoy i marinseismiske lyttekabler

Info

Publication number
NO20074893L
NO20074893L NO20074893A NO20074893A NO20074893L NO 20074893 L NO20074893 L NO 20074893L NO 20074893 A NO20074893 A NO 20074893A NO 20074893 A NO20074893 A NO 20074893A NO 20074893 L NO20074893 L NO 20074893L
Authority
NO
Norway
Prior art keywords
wave field
pressure wave
field component
upward
extrapolated
Prior art date
Application number
NO20074893A
Other languages
English (en)
Other versions
NO339003B1 (no
Inventor
Walter Sollner
Xiao-Ping Li
Martin Widmaier
Original Assignee
Pgs Geophysical As
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 Pgs Geophysical As filed Critical Pgs Geophysical As
Publication of NO20074893L publication Critical patent/NO20074893L/no
Publication of NO339003B1 publication Critical patent/NO339003B1/no

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
    • G01V1/364—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
    • 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
    • G01V1/282—Application of seismic models, synthetic seismograms
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V2210/00—Details of seismic processing or analysis
    • G01V2210/30—Noise handling
    • G01V2210/32—Noise reduction
    • G01V2210/324—Filtering
    • 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)
  • Communication Cables (AREA)

Abstract

Signaler detektert av partikkelbevegelsessensorer i en slept, marin seismisk dobbelt-sensorstreamer blir skalert for å passe til signaler detektert av trykksensorer i streameren. Trykksensorsignalene og de skalerte partikkelbevegelsessensorsignalene blir kombinert for å generere oppadgående og nedadgående trykkbølgefeltkomponenter. De oppadgående og nedadgående trykkbølgefeltkomponentene blir ekstrapolert til en posisjon like under en vannoverflate. Et første tilpasningsfilter blir anvendt på den ekstrapolerte, nedadgående trykkbølgefeltkomponenten. Den filtrerte, nedadgående trykkbølgefeltkomponenten blir subtrahert fra den ekstrapolerte, oppadgående trykkbølgefeltkomponenten for å generere en oppadgående trykkbølgefeltkomponent med dempet partikkelbevegelsessensor-støy. Et annet tilpasningsfilter blir anvendt på den ekstrapolerte, oppadgående trykkbølgefeltkomponenten. Den filtrerte, oppadgående trykkbølgefeltkomponenten blir subtrahert fra den ekstrapolerte, nedadgående trykkbølgefeltkomponenten for å generere en nedadgående trykkbølgefeltkomponent med dempet partikkelbevegelsessensor-støy.
NO20074893A 2006-10-11 2007-09-26 Fremgangsmåte for demping av støy i marinseismiske lyttekabler NO339003B1 (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/546,448 US7835225B2 (en) 2006-10-11 2006-10-11 Method for attenuating particle motion sensor noise in dual sensor towed marine seismic streamers

Publications (2)

Publication Number Publication Date
NO20074893L true NO20074893L (no) 2008-04-14
NO339003B1 NO339003B1 (no) 2016-11-07

Family

ID=38739500

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20074893A NO339003B1 (no) 2006-10-11 2007-09-26 Fremgangsmåte for demping av støy i marinseismiske lyttekabler

Country Status (4)

Country Link
US (1) US7835225B2 (no)
AU (1) AU2007221748B8 (no)
GB (1) GB2442854B (no)
NO (1) NO339003B1 (no)

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US9217805B2 (en) * 2010-10-01 2015-12-22 Westerngeco L.L.C. Monitoring the quality of particle motion data during a seismic acquisition
US8600680B2 (en) * 2011-04-05 2013-12-03 Pgs Geophysical As Method for eliminating spectral constraints of acquisition system and earth filtering effects
US20130028048A1 (en) * 2011-07-25 2013-01-31 Soellner Walter Methods and apparatus for seismic imaging which accounts for sea-surface variations
US20130088939A1 (en) * 2011-10-10 2013-04-11 Pascal Edme Wavefield separation using a gradient sensor
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US9448315B2 (en) * 2011-12-27 2016-09-20 Cgg Services Sa Device and method for denoising ocean bottom data
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US9007870B2 (en) * 2012-05-31 2015-04-14 Pgs Geophysical As Seismic surveying techniques with illumination areas identifiable from primary and higher-order reflections
US20130329520A1 (en) * 2012-06-11 2013-12-12 Pgs Geophysical As Surface-Related Multiple Elimination For Depth-Varying Streamer
US10459097B2 (en) * 2012-11-19 2019-10-29 Pgs Geophysical As Methods and systems for extrapolating wavefields
US20140200820A1 (en) * 2013-01-11 2014-07-17 Westerngeco L.L.C. Wavefield extrapolation and imaging using single- or multi-component seismic measurements
US10338250B2 (en) 2013-03-14 2019-07-02 Pgs Geophysical As Method of removing incoherent noise
US9274241B2 (en) * 2013-03-14 2016-03-01 Pgs Geophysical As Method and system for suppressing swell-induced electromagnetic noise
US9322944B2 (en) 2013-03-15 2016-04-26 Pgs Geophysical As Wavefield regularization by 3-D wavefield decomposition for geophysical data
US9784869B2 (en) * 2013-05-15 2017-10-10 Pgs Geophysical As Noise models by selection of transform coefficients
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US9817143B2 (en) 2013-10-30 2017-11-14 Pgs Geophysical As Methods and systems for constraining multiples attenuation in seismic data
US11391857B2 (en) * 2013-12-30 2022-07-19 Pgs Geophysical As Methods and systems for attenuating residual acoustic energy in seismic data
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Also Published As

Publication number Publication date
GB2442854A (en) 2008-04-16
AU2007221748A1 (en) 2008-05-01
US20080089174A1 (en) 2008-04-17
GB2442854B (en) 2011-02-16
AU2007221748B8 (en) 2013-01-24
AU2007221748B2 (en) 2012-09-27
GB0719614D0 (en) 2007-11-14
AU2007221748A2 (en) 2011-06-02
US7835225B2 (en) 2010-11-16
NO339003B1 (no) 2016-11-07

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