In the last years the technical evolution in the<br>geophysical applications for seismic surveys<br>enormously increased the importance of an accurate<br>feasibility study.<br>Complexity of the surveys implies an<br>interdisciplinary approach to the matter which now<br>involves, in addition to seismic acquisition and<br>time processing parameters design, the evaluation of<br>other possible advanced applications (AVO, PSDM,<br>3C, 4D, etc.).<br>For these purpose the most advanced modelling and<br>seismic data processing software are now used by<br>ENI Agip Division Planning Team to obtain a<br>detailed interdisciplinary feasibility study of each<br>single project. Despite of these, some steps of the<br>planning flow still rely on empirical approaches<br>based on field tests.<br>In this view we studied a way to improve the<br>approach and a workflow able to drive a careful<br>selection of the seismic source parameters for both<br>marine and land surveys.<br>In particular the energy attenuation due to anelastic<br>absorption is considered allowing to tailor the<br>source to the seismic response of the area in<br>advance of the field effort.


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