This paper presents a novel method for converting the scarcely populated downhole pressure measured at well locations to a 3-dimensional reservoir pressure distribution. The method uses real time data, a wellbore hydraulics model, a history match model, a well model and a geostatistical modeling process to accomplish this task. The methodology has been tested on 2 synthetic reservoir models derived from field-scale simulation models. Analysis showed that the calculated reservoir pressure which utilizes real time pressure measurements is more accurate than the reservoir pressure based on history match model alone. This advances i-field applications from well-centric paradigm to reservoir-centric paradigm and identifies reservoir patterns and anomalies for the purpose of predicting future events and modeling various courses of actions.


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