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Synthetic example to detect fracture in noisy seismic.
Fig.1 shows cube with synthetic fractures. Fig. 2 shows synthetic cube with trend (amplitude=60), noise (amplitude 3), footprints (amplitude=3) and fractures from Fig.1 (amplitudes=1.5). Fig.3 shows result 3rd orthogonal component cube and Fig. 4 is Ant tracking result calculated via 3rd component.
Fracture detect results in shale layer
Fig.1 shows 3rd orthogonal component seismic slice in shale layer, calculated via seismic cube, what have very good correlation to microseismic events. Fig.2 show Ant tracking results was calculated via 3rd orthogonal component. It is also show very good correlation with microseismic events.
A synthetic example for surface or slice
Fig.1 shows synthetic model surface (slice) with faults without noise. Fig. 2 shows a model surface with noise that was used as input to fault detection algorithms. Fig 3 is curvatures. First orthogonal component (Fig. 4) is the restored model surface without noise, and on the second and third orthogonal components (Fig. 5, 6) can be seen the faults that were on the source model surface.
Fracture detect for reflection surface in shale layer
Lineaments on 4th orthogonal component have very good correlation with microseismic events and can be used like fracture detection attribute in future fracture modeling.