مقاله Application of 3D Common Reflection Surface method – a real data example from south Iran

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Among the principle concerns in seismic imaging is to produce the most optimal and reliable sections of the subsurface. However, in several cases, poor images result due to certain complexities such as sharp lateral velocity variations, and consecutive faults in area. Furthermore,the presence of noise which in turn results in poor quality seismic data, imposes certain problems on the imaging results. The above mentioned issues can be considered as challenges in conventional processing. In recent years, novel stack based methods have been put to use to ensurea more proper imaging, among which the Common Reflection Surface method can be cited. Using far more traces compared to the CMP stack, the CRS stack provides a better signal-to-noise ratio and therefore higher continuities in reflectors. The increased stacking fold in this method which rises from defining larger stacking surfaces compared to that of the CMP stack, a single CMP location, derives higher resolution sections. The present study highlights the results delivered from the application of this method to 3D seismic data of a south Iranian field, which indicateacceptable results compared to conventional methods.