| Summary: | It has been done a study about aplication and optimization coherence to detect geological structures on 3D seismic data in BD Field, central Sumatran Basin, Indonesia based calculation of algorithm eigenstructure and algorithm semblance. The analysis showed semblance calculation of seismic attributes, and eigenstructure on 3D seismic data in the field BD, central sumatra basin can be used for fault identification, which the value of low coherence between 0-0.2 and 0.6-1 for high coherence. The results of seismic coherence, the parameters for the optimization of the geological structure detection using semblance and eigenstructure algorithms on 3D seismic data in the central Sumatra Basin is used dipbins 15ms/trace, vertical aperture 10 samples and spatial aperture 1 trace.
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