Over the next few years, practicing reservoir engineers will have to cope with a vast increase in data describing field performance. This will come from operational deployment of time-lapse seismic and fully instrumented wells providing real-time pressure and rate information.

The current approach to history matching of reservoir models usually involves time-consuming adjustments of simulator input parameters by an engineer. These adjustments, based on the difference between the predictions of the reservoir simulator and observed field production and pressure data, can involve several man months of effort.

Reservoir model history matches are almost always nonunique—more than one combination of reservoir...

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