In this paper, we discuss a Time-Lapse project over a deep-water field which started with a feasibility study, aimed at assessing the detectability of production effects at the time of the second survey which was not designed for monitoring purposes. It continued with an optimized processing workflow aimed at reducing the differences due to different acquisition surveys. Finally, an inversion study was done as well as interpretation of the time-lapse result and including a correlation with the reservoir model. This study allowed to efficiently and accurately estimate the fluid-flow movements in the field and thus to support the field management.


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