INTRODUCING THE ATTRIBUTE OF CENTROID OF SCALE IN WAVELET DOMAIN AND ITS APPLICATION FOR SEISMIC EXPLORATION

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ASHRAFIAN ESFAHAN F.; SIAHKOUHI H.R.

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Journal: IRANIAN JOURNAL OF GEOPHYSICS Year:2008 | Volume:2 | Issue:1 Page(s): 1-11

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Title

INTRODUCING THE ATTRIBUTE OF CENTROID OF SCALE IN WAVELET DOMAIN AND ITS APPLICATION FOR SEISMIC EXPLORATION

Author(s)

ASHRAFIAN ESFAHAN F. | SIAHKOUHI H.R. | Issue Writer Certificate

Keywords

QUALITY FACTORQ2

WAVELET TRANSFORMQ3

CENTROID OF SCALEQ3

SCALOGRAMQ3

SEISMIC ATTRIBUTESQ2

Abstract

Seismic waves suffer from absorption while propagating in anisotropic medium. Due to the frequency dependency of attenuation, it is desirable to use frequency based methods to study attenuation. Some of the methods use frequency dependent SEISMIC ATTRIBUTES to determine absorption and QUALITY FACTOR. In this study continuous wavelet transfonn and extracted timescale map are used so introduce a new seismic attribute called CENTROID OF SCALE. A relationship between QUALITY FACTOR of propagation medium and CENTROID OF SCALE is derived. Usually absorption related anomalies on seismic data are very important and are attributed to the presence of hydrocarbon reservoir and/or fault zones. It is expected that the deriving the behavior of, attribute of CENTROID OF SCALE can detect directly hydrocarbon reservoir or the fault zones. In this study all required computer codes are written in MATLAB environment. To evaluate the efficiency of the introduced seismic attribute in locating attenuation related anomalies, we applied the method on both real and synthetic seismic data. It is found that the low cost run time and high resolution are advantages of the method compare to others.

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APA: Copy

ASHRAFIAN ESFAHAN, F., & SIAHKOUHI, H.R.. (2008). INTRODUCING THE ATTRIBUTE OF CENTROID OF SCALE IN WAVELET DOMAIN AND ITS APPLICATION FOR SEISMIC EXPLORATION. IRANIAN JOURNAL OF GEOPHYSICS, 2(1), 1-11. SID. https://sid.ir/paper/133888/en

Vancouver: Copy

ASHRAFIAN ESFAHAN F., SIAHKOUHI H.R.. INTRODUCING THE ATTRIBUTE OF CENTROID OF SCALE IN WAVELET DOMAIN AND ITS APPLICATION FOR SEISMIC EXPLORATION. IRANIAN JOURNAL OF GEOPHYSICS[Internet]. 2008;2(1):1-11. Available from: https://sid.ir/paper/133888/en

IEEE: Copy

F. ASHRAFIAN ESFAHAN, and H.R. SIAHKOUHI, “INTRODUCING THE ATTRIBUTE OF CENTROID OF SCALE IN WAVELET DOMAIN AND ITS APPLICATION FOR SEISMIC EXPLORATION,” IRANIAN JOURNAL OF GEOPHYSICS, vol. 2, no. 1, pp. 1–11, 2008, [Online]. Available: https://sid.ir/paper/133888/en

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