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Abstract

One of the main problems in processing is imaging complex or semi-complex structures. A modified version of the CRS stack, the common diffraction surface (CDS) stack, is a method that, could solve the problem of conflicting dips that may happen frequently in complex and semi-complex structures. To investigate whether it could solve the imaging problem in such media, a seismic data set from north east of Iran was selected for this purpose. The CMP-stacked section of this data shows an unconformity that separates horizontal event from dipping events. The problem is the part of the section below the unconformity, where the reflection and diffraction events are not imaged well, like as the faults in horizontal events. Therefore, the CDS stack method is applied to the seismic data to solve some of the imaging problems in semi-complex structures. The CDS-stacked section imaged many reflection events missing in the CMP-stacked section. The problem of conflicting dips is also resolved in that section. The faults can be located and the reflection events at larger travel times are also well imaged. Finally, the CDS-stacked section shows that this method could resolve some of the ambiguities of imaging in semi-complex structures.

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/content/papers/10.3997/2214-4609.201401253
2010-06-14
2024-03-28
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http://instance.metastore.ingenta.com/content/papers/10.3997/2214-4609.201401253
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