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4D (or time-lapse) seismic is sensitive to changes in reservoir pressure and saturation. It allows monitoring of a reservoir during production, helps define areas of unswept hydrocarbons, and aids planning of infill drilling or pressure support solutions. By improving the reservoir model, 4D reservoir monitoring can improve the accuracy of reserves evaluation and help with the optimisation of reservoir management. The ultimate aim of our project is to history match a field flow model using both production and 4D seismic data.
Our main research partner is Heriot Watt University (Seismic History Matching and the Edinburgh Time-Lapse Project).

Elastic response of a reservoir model (P-impedance).