4-D Added Value in Reservoir Model Construction

A new reservoir model is currently being built on a field located in deep water environment. During<br>summer 2008, a 4D seismic was acquired over this field in order to monitor reservoir changes due to<br>almost 2 years of production and injection. After in-house warping techniques were applied on<br>seismic monitor data, interpretation provided very valuable information for reservoir management,<br>even with Fast-Track processing data: operations on wells were planned, current reservoir model was<br>updated, understanding of communication inside and between reservoirs was improved. A dedicated<br>4D interpretation on Full Processing 4D data was performed in order to integrate 4D information into<br>the new reservoir model. 4D interpretation was calibrated with usual dynamic monitoring data such as<br>MDT, PLT and fluid fractions evolution at wells.