WO2004020972A3 - Removal of noise from seismic data using improved radon transformations - Google Patents

Removal of noise from seismic data using improved radon transformations Download PDF

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Publication number
WO2004020972A3
WO2004020972A3 PCT/US2003/026928 US0326928W WO2004020972A3 WO 2004020972 A3 WO2004020972 A3 WO 2004020972A3 US 0326928 W US0326928 W US 0326928W WO 2004020972 A3 WO2004020972 A3 WO 2004020972A3
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WIPO (PCT)
Prior art keywords
slowness
time
pmax
pmin
seismic data
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Legal status (The legal status 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 status listed.)
Ceased
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PCT/US2003/026928
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French (fr)
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WO2004020972A2 (en
Inventor
Lawrence C Wood
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Individual
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Individual
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Priority claimed from US10/232,118 external-priority patent/US6691039B1/en
Application filed by Individual filed Critical Individual
Priority to AU2003268223A priority Critical patent/AU2003268223A1/en
Priority to EP03749174.3A priority patent/EP1532472B1/en
Priority to CA2497296A priority patent/CA2497296C/en
Priority to HK05110594.4A priority patent/HK1076311B/en
Priority to DK03749174.3T priority patent/DK1532472T3/en
Publication of WO2004020972A2 publication Critical patent/WO2004020972A2/en
Publication of WO2004020972A3 publication Critical patent/WO2004020972A3/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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. 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
    • G01V2210/00—Details of seismic processing or analysis
    • G01V2210/20—Trace signal pre-filtering to select, remove or transform specific events or signal components, i.e. trace-in/trace-out
    • G01V2210/27—Other pre-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

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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)
  • Image Processing (AREA)
  • Geophysics And Detection Of Objects (AREA)

Abstract

Methods of processing seismic data to remove unwanted noise from meaningful reflection signals are provided for. The seismic data is transformed from the offset-time domain to the time-slowness domain using a Radon transformation. Preferably, the Radon transformation is applied within defined slowness limits pmin, and pmax, where pmin is a predetermined minimum slowness and pmax is a predetermined maximum slowness, and an offset weighting factor xn is applied to the amplitude data, wherein 0 < n < 1. A high resolution Radon transformation preferably is used, where the transformation is performed according to an index j of the slowness set and a sampling variable Δ p; wherein Formula (1) Δp is from about 0.5 to about 4.0 µsec/m, pmax, is a predetermined maximum slowness, and pmin is a predetermined minimum slowness. A high-low, preferably a time variant, high low corrective filter is then applied to enhance the primary reflection signal content of the data and to eliminate unwanted noise events. The tau-P filter is defined by reference to the velocity function of the primary reflection signals, and preferably is expressed as: Formula (2) where r1 , and r2 are percentages expressed as decimals. The slowness limits typically are set within ± 15% of the velocity function, and r1, and r2 may be set accordingly. After filtering, the enhanced signal content is inverse transformed from the time-slowness domain back to the offset-time domain using an inverse Radon transformation.
PCT/US2003/026928 2002-08-30 2003-08-28 Removal of noise from seismic data using improved radon transformations Ceased WO2004020972A2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
AU2003268223A AU2003268223A1 (en) 2002-08-30 2003-08-28 Removal of noise from seismic data using improved radon transformations
EP03749174.3A EP1532472B1 (en) 2002-08-30 2003-08-28 Removal of noise from seismic data using improved radon transformations
CA2497296A CA2497296C (en) 2002-08-30 2003-08-28 Removal of noise from seismic data using improved radon transformations
HK05110594.4A HK1076311B (en) 2002-08-30 2003-08-28 Removal of noise from seismic data using improved radon transformations
DK03749174.3T DK1532472T3 (en) 2002-08-30 2003-08-28 Removing noise from seismic data using improved radon transformations

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
US10/232,118 US6691039B1 (en) 2002-08-30 2002-08-30 Removal of noise from seismic data using improved radon transformations
US10/232,118 2002-08-30
US10/238,212 US6735528B2 (en) 2002-08-30 2002-09-10 Removal of noise from seismic data using limited radon transformations
US10/238,212 2002-09-10
US10/238,461 2002-09-10
US10/238,461 US6721662B2 (en) 2002-08-30 2002-09-10 Removal of noise from seismic data using improved tau-P filters
US10/238,366 US6987706B2 (en) 2002-08-30 2002-09-10 Removal of noise from seismic data using high resolution radon transformations
US10/238,366 2002-09-10

Publications (2)

Publication Number Publication Date
WO2004020972A2 WO2004020972A2 (en) 2004-03-11
WO2004020972A3 true WO2004020972A3 (en) 2004-06-24

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Family Applications (1)

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PCT/US2003/026928 Ceased WO2004020972A2 (en) 2002-08-30 2003-08-28 Removal of noise from seismic data using improved radon transformations

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EP (1) EP1532472B1 (en)
AU (1) AU2003268223A1 (en)
CA (1) CA2497296C (en)
WO (1) WO2004020972A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8547792B2 (en) 2004-12-01 2013-10-01 Westerngeco L.L.C. Processing seismic data

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7366054B1 (en) 2002-08-30 2008-04-29 John M. Robinson Tau-P filters for removal of noise from seismic data
US6691039B1 (en) 2002-08-30 2004-02-10 John M. Robinson Removal of noise from seismic data using improved radon transformations
US7239578B2 (en) * 2005-03-03 2007-07-03 John M. Robinson Removal of noise from seismic data using radon transformations
US7561491B2 (en) * 2005-03-04 2009-07-14 Robinson John M Radon transformations for removal of noise from seismic data
AU2010236909B2 (en) * 2009-03-31 2013-10-10 Shell Internationale Research Maatschappij B.V. Method for stabilization of low frequencies in TAU-P domain filtering and deconvolution
GB2482538B (en) * 2010-08-06 2013-10-16 Geco Technology Bv Seismic acquisition and filtering
US20140169130A1 (en) * 2012-12-13 2014-06-19 Schlumberger Technology Corporation Methods and Apparatus for Waveform Processing
CN109339778B (en) * 2018-11-12 2021-11-16 中国石油大学(华东) Acoustic logging method for quantitatively evaluating perforation penetration depth
CN111562616B (en) * 2019-02-14 2023-06-30 中国石油天然气股份有限公司 Seismic Data Scattering Noise Suppression Method and Device
CN111220158B (en) * 2020-01-15 2022-09-09 哈尔滨工程大学 A Motion Parameter Estimation Method of Line Spectrum Target Based on Time Azimuth Histogram
CN115639593B (en) * 2021-07-20 2026-03-17 中国石油天然气集团有限公司 Irregular data reconstruction methods, apparatuses, electronic devices and storage media
CN116010779A (en) * 2021-10-21 2023-04-25 中国石油化工股份有限公司 Submarine cable double-detection data merging method and device, electronic equipment and medium
CN116027424B (en) * 2021-10-27 2025-11-07 中国石油化工股份有限公司 A surface wave suppression method
CN115561816B (en) * 2022-10-12 2026-03-20 中国石油大学(北京) Method and apparatus for suppressing multiple waves in 3D seismic data based on a rotating ellipse model
CN116736378B (en) * 2023-05-05 2024-02-02 广东海洋大学 Lq norm constraint-based velocity analysis method for seismic exploration
CN119644429B (en) * 2023-09-18 2025-10-21 中国石油天然气集团有限公司 Seismic data processing method, device, equipment and storage medium
CN120928443B (en) * 2025-10-14 2026-02-27 中国石油大学(华东) Seismic reflection signal reconstruction method

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8547792B2 (en) 2004-12-01 2013-10-01 Westerngeco L.L.C. Processing seismic data

Also Published As

Publication number Publication date
EP1532472A2 (en) 2005-05-25
WO2004020972A2 (en) 2004-03-11
EP1532472B1 (en) 2013-07-31
AU2003268223A8 (en) 2004-03-19
AU2003268223A1 (en) 2004-03-19
CA2497296C (en) 2012-10-30
CA2497296A1 (en) 2004-03-11

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