Through recent years, several new technologies have been introduced while various standard processing workflows have been further improved to obtain more valuable results in seismic processing. This has made reprocessing work a feasible route to discover the potential of marginal field in deeper, pre-carbonates zones using existing acquired data. In this paper, we exhibit how complex carbonate layers and pre-carbonate reservoir were revealed from narrow azimuth and limited offset dataset. It has been achieved through the application of effective broadband pre-processing methods, comprehensive velocity model building and advance imaging technique.


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