oa Monitoring Seismic Processing For Seismic Reservoir Characterization

Seismic reservoir characterization (for instance, inversion) requires a well-controlled seismic signal that can<br>sometimes not be guaranteed by conventional processing QCs. One option is to use borehole data to help choosing<br>the processing parameters that will enhance the reservoir characterization reliability. This method is indeed<br>very useful, but is limited since it only gives a very local estimation of the seismic quality at the location of the well. We<br>thus propose in this paper a methodology based on much more general Quality Controls attributes derived from<br>seismic at each key step of the processing. These attributes may be generated over the whole seismic survey and<br>hence give a comprehensive idea of the seismic quality. This methodology has been tested and validated on a Tight<br>Gas Reservoir field located onshore.