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Keywords: compensation method
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Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3583276
... to accurately estimate the actual quality factor of the underground medium. In this paper, a new seismic compensation method based on inverse spectral decomposition in time-frequency domain is proposed. Firstly, the method divides the seismic data into several frequency bands using inverse spectral...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3583867
... has some influence on the seismic sub-waves, which makes the interpretation of the thin interlayer of seismic data difficult. In this paper, by studying the high-frequency compensation method based on phase decomposition, we use the phase decomposition method to predict the phase-sensitive zone...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3427168
... wave and can not be time-varying, compensation method based on reflected wave. This so satisfactory compensation results can not be obtained. In method overcomes the shortcomings of the first-arrival this paper, a method of near surface Q calculation and wave method, and uses the stable Q compensation...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3215736
... and compensation, focusing on the solution of middle and deep absorption, without considering the shallow near-surface absorption and attenuation effects caused by dramatic variation in speed and thickness. This paper proposed a deterministic quantitative compensation method based on the near-surface model, which...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2995648
... migration method traveltime different reflection angle mapping frequency upstream oil & gas seismic image compensation reservoir characterization traveltime map spectra comparison seg international exposition compensation method annual meeting annual international meeting...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2995621
... ABSTRACT Traditional approaches to inverse Q filtering are restricted to 1D approximations of subsurface traveltimes and are known to equally boost signal, noise, and spatial aliasing in pre-stack seismic data. We propose a phase and amplitude Q compensation method working on pre-stack data...
Proceedings Papers

Paper presented at the 2017 SEG International Exposition and Annual Meeting, September 24–29, 2017
Paper Number: SEG-2017-17587335
... and nonstationary deconvolution methods are common tools to improve the vertical resolution while they belong to single channel attenuation compensation methods which cannot guarantee horizontal continuity. Therefore, we propose a multi-channel attenuation compensation method based on compressive sensing strategy...
Proceedings Papers

Paper presented at the 2015 SEG Annual Meeting, October 18–23, 2015
Paper Number: SEG-2015-5820297
... the absorption attenuation influences the resolution of seismic data as well as showing the nonstationary characteristics. In view of this, this paper proposes the nonstationary compensation method of the absorption attenuation of the seismic wave. Firstly, we use the matching pursuit algorithm to decompose...
Proceedings Papers

Paper presented at the 2014 SEG Annual Meeting, October 26–31, 2014
Paper Number: SEG-2014-0102
... equation in wavefield continuation, in this paper, we propose a new attenuation compensation method, which is stable and accurate, taking advantage of the inverse theory and regularization strategy to obtain compensated seismic data eventually. It is also computational efficient because only effective...

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