3-D Butterworth Filtering for 3-D High-density Onshore Seismic Field Data

Jianping Liao, Hexiu Liu, Weibo Li, Zhenwei Guo, Lixin Wang, Suping Peng, Andrew Hursthouse

Research output: Contribution to journalArticle

Abstract

Three-dimensional seismic survey is widely applied, but 3-D filtering technology has yet to be fully utilized for the analysis of seismic field data. The common approach is to first filter inline and then crossline. However, an effective 3-D filtering method is expected to eliminate coherent noise, such as the ground roll. We propose a 3-D Butterworth filtering method in the time-space domain. Firstly, a Butterworth-type filter in the frequency-wavenumber-domain is designed to suppress the linear noise with a specific apparent velocity. Secondly, transforming this filter to the time and space domain yields 3-D partial differential equations (PDEs), which are applied to suppress the linear noise. Factorizing the finite-difference equations in a different direction other than decreasing the 3-D PDEs to 2-D PDEs produces a highly accurate and efficient algorithm. Designing the 3-D Butterworth filter, selecting the filtering parameters, and showing its application to synthetic data and a 3-D high-density onshore seismic field data from a region in western China are discussed in detail. Numerical experiments with 3-D high-density onshore seismic field data demonstrate that it is more effective than the 3-D frequency-wavenumber-wavenumber (FKK) filtering method.
LanguageEnglish
Pages223-233
JournalJournal of Environmental & Engineering Geophysics
Volume23
Issue number2
Early online date29 May 2018
DOIs
StatePublished - 1 Jun 2018

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Partial differential equations
filter
partial differential equations
filters
Butterworth filters
Rayleigh waves
Difference equations
seismic survey
difference equations
China
Experiments
method
experiment

Keywords

  • shale gas
  • exploration geophysics
  • signal processing

Cite this

Liao, Jianping ; Liu, Hexiu ; Li, Weibo ; Guo, Zhenwei ; Wang, Lixin ; Peng, Suping ; Hursthouse, Andrew. / 3-D Butterworth Filtering for 3-D High-density Onshore Seismic Field Data. In: Journal of Environmental & Engineering Geophysics. 2018 ; Vol. 23, No. 2. pp. 223-233
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3-D Butterworth Filtering for 3-D High-density Onshore Seismic Field Data. / Liao, Jianping; Liu, Hexiu; Li, Weibo; Guo, Zhenwei; Wang, Lixin; Peng, Suping; Hursthouse, Andrew.

In: Journal of Environmental & Engineering Geophysics, Vol. 23, No. 2, 01.06.2018, p. 223-233.

Research output: Contribution to journalArticle

TY - JOUR

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AU - Hursthouse,Andrew

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Liao J, Liu H, Li W, Guo Z, Wang L, Peng S et al. 3-D Butterworth Filtering for 3-D High-density Onshore Seismic Field Data. Journal of Environmental & Engineering Geophysics. 2018 Jun 1;23(2):223-233. Available from, DOI: 10.2113/JEEG23.2.223