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Seismic Coherence: Updated Computation and Application to a Study of Fractured Zones in the Donets BasinNormal access

Authors: I.V. Mendriy and Y.K. Tyapkin
Journal name: Seismic Technology
Issue: Vol 11, No 1, January 2014 pp. 1 - 20
DOI: 10.3997/2405-7495.2015075
Language: English
Info: Article, PDF ( 8.58Mb )
Price: € 30

An updated technology is developed to compute coherence, a broadly used seismic attribute. The new algorithm is based on a more realistic model of a seismic record which allows both signal amplitude and noise variance to vary from trace to trace in a sliding window. A universal approach is suggested to improve the lateral resolution of any coherence computation algorithm. Some aspects of methodology for enhancement of coherence efficiency are analyzed. The algorithms are tested on synthetic data sets and compared with the conventional coherence computation techniques. Coherence is used jointly with curvature to study fracture zones in the Donets Basin.

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