Poststack Wavelet Stabilization

Variations in geological conditions or irregularities in acquisition geometry can result in strong spatial fluctuations in the amplitude and phase characteristics of imaged seismic volumes. For example, acquisition footprints may create striping artifacts on poststack volumes that mask structure and stratigraphy.

Post stack wavelet stabilization is a technique to compensate for poststack variations in the embedded signal wavelet. Signal and noise characteristics are estimated using 3D multitrace analysis, and then a spatial filter is applied to generate an arealy-stable signal wavelet. Unlike some other geostatistical approaches, it compensates for amplitude, frequency, and phase distortions, rather than amplitude corrections alone.

Post stack wavelet stabilization removes the spatial variation in the signal wavelet caused by differences in fold or coverage, offset distribution, NMO stretch, acquisition footprints, and more.

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Post Stack Wavelet

Compensation for acquisition artifacts using wavelet stabilization.
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