A Multiple Model Approach to History Matching and Uncertainty Analysis Using Time-Lapse Seismic

B030 A MULTIPLE MODEL APPROACH TO HISTORY MATCHING AND UNCERTAINTY ANALYSIS USING TIME-LAPSE SEISMIC Abstract 1 We present an automated multiple model history matching method which integrates time-lapse seismic with production data and determines parameter uncertainty. For each simulation model we compare observed seismic attributes to synthetic impedance obtained via a petroelastic modelling step and grid transformation. For seismic and production data we then obtain a misfit which is used to update our model parameters in a Bayesian framework and accounts for model errors and data covariance. We show examples of the method's application to a UKCS field study and