CA2332374A1 - Adaptive seismic noise and interference attenuation method - Google Patents

Adaptive seismic noise and interference attenuation method Download PDF

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Publication number
CA2332374A1
CA2332374A1 CA002332374A CA2332374A CA2332374A1 CA 2332374 A1 CA2332374 A1 CA 2332374A1 CA 002332374 A CA002332374 A CA 002332374A CA 2332374 A CA2332374 A CA 2332374A CA 2332374 A1 CA2332374 A1 CA 2332374A1
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Prior art keywords
noise
interference
seismic
response
robustness
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CA002332374A
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French (fr)
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CA2332374C (en
Inventor
Ali Ozbek
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Schlumberger Canada Ltd
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Schlumberger Canada Limited
Ali Ozbek
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Publication of CA2332374A1 publication Critical patent/CA2332374A1/en
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Publication of CA2332374C publication Critical patent/CA2332374C/en
Anticipated expiration legal-status Critical
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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
    • G01V1/28—Processing seismic data, e.g. analysis, for interpretation, for correction
    • 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
    • G01V2210/00—Details of seismic processing or analysis
    • G01V2210/30—Noise handling
    • G01V2210/32—Noise reduction
    • G01V2210/324—Filtering
    • G01V2210/3246—Coherent noise, e.g. spatially coherent or predictable

Abstract

A method relating to filtering coherent noise and interference from seismic data by constrained adaptive beamforming is described using a constraint design methodology which allows the imposition of an arbitrary predesigned quiescent response on the beamformer. The method also makes sure that the beamformer response in selected regions of the frequency-wavenumber space is entirely controlled by this quiescent response, hence ensuring signal preservation and robustness to perturbations. Built-in regularization brings an additional degree of robustness. Seismic signals with arbitrary spectral content in the frequency-wavenumber domain are preserved, while coherent noise and interference that is temporally and spatially nonstationary is adaptively filtered. The approach is applicable to attenuation of all types of coherent noise in seismic data including swell-noise, bulge-wave noise, ground-roll, air wave, seismic vessel and rig interference, etc.
It is applicable to both linear or areal arrays.
CA002332374A 1998-05-20 1999-05-18 Adaptive seismic noise and interference attenuation method Expired - Fee Related CA2332374C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9810708A GB2337591B (en) 1998-05-20 1998-05-20 Adaptive seismic noise and interference attenuation method
GB9810708.9 1998-05-20
PCT/GB1999/001582 WO1999060423A1 (en) 1998-05-20 1999-05-18 Adaptive seismic noise and interference attenuation method

Publications (2)

Publication Number Publication Date
CA2332374A1 true CA2332374A1 (en) 1999-11-25
CA2332374C CA2332374C (en) 2007-10-09

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CA002332374A Expired - Fee Related CA2332374C (en) 1998-05-20 1999-05-18 Adaptive seismic noise and interference attenuation method

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US (2) US6446008B1 (en)
EP (1) EP1082623B1 (en)
CN (1) CN1203324C (en)
AT (1) ATE221669T1 (en)
AU (1) AU759810B2 (en)
BR (1) BR9911035B1 (en)
CA (1) CA2332374C (en)
DE (1) DE69902386T2 (en)
DK (1) DK1082623T3 (en)
EA (1) EA002508B1 (en)
ES (1) ES2181432T3 (en)
GB (1) GB2337591B (en)
ID (1) ID28018A (en)
NO (1) NO332104B1 (en)
NZ (1) NZ508139A (en)
OA (1) OA11771A (en)
WO (1) WO1999060423A1 (en)

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DE69902386D1 (en) 2002-09-05
US20030078734A1 (en) 2003-04-24
WO1999060423A1 (en) 1999-11-25
US6446008B1 (en) 2002-09-03
GB9810708D0 (en) 1998-07-15
DE69902386T2 (en) 2003-03-13
BR9911035A (en) 2001-02-06
NZ508139A (en) 2002-03-28
GB2337591B (en) 2000-07-12
CN1203324C (en) 2005-05-25
EA002508B1 (en) 2002-06-27
CA2332374C (en) 2007-10-09
AU3945599A (en) 1999-12-06
BR9911035B1 (en) 2011-10-18
NO20005825L (en) 2001-01-11
CN1306621A (en) 2001-08-01
ATE221669T1 (en) 2002-08-15
OA11771A (en) 2005-07-25
ID28018A (en) 2001-05-03
EA200001210A1 (en) 2001-06-25
EP1082623B1 (en) 2002-07-31
AU759810B2 (en) 2003-05-01
GB2337591A (en) 1999-11-24
ES2181432T3 (en) 2003-02-16
NO332104B1 (en) 2012-06-25
DK1082623T3 (en) 2002-12-02
EP1082623A1 (en) 2001-03-14
US6651007B2 (en) 2003-11-18
NO20005825D0 (en) 2000-11-17

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