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Structurally Conformal Resolution Enhancement with Joint Sparse InversionNormal access

Authors: C. Peng, B. Bai, Y. Liu and Z. Fu
Event name: 78th EAGE Conference and Exhibition 2016
Session: Broadband Data - Processing and Inversion
Publication date: 31 May 2016
DOI: 10.3997/2214-4609.201600843
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 2.79Mb )
Price: € 20

Removing source wavelet and residual non-uniform absorption (Q) effects can enhance the spatial resolution of seismic images after de-ghosting and amplitude attenuation compensation. In this abstract we propose a new resolution enhancement method that incorporates structural conformity constraints and sparse regularization into an inversion-based deconvolution. The method was applied to field data and compared with an inversion-based approach without sparse regularization and structural conformity constraints. The new method provides a resolution-enhanced broader bandwidth image with improved signal-to-noise ratio and geological coherence. Acoustic impedance inversion was carried out after resolution enhancement, and a more detailed and coherent impedance volume was obtained.

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