The present invention relates to an integrated reservoir management system (1) for the management and control of hydrocarbon reservoirs, the system comprising a data quality management engine (110), capable of checking data from multiple real-time, legacy and static data sources (100) for consistency and for substituting poor quality data, and capable of generating a database for validated data (111); a data-driven model (13), capable of providing integrated reservoir-wells-facilities prediction in response to the validated data (111) through a calibration engine (112), and capable of generating forecasts (117) in response to a performance optimization engine (121); an analytic (10) calculation engine (114), capable of calculating reservoir health indicators RHI and storing those reservoir health indicators in the RHI database (118); a diagnostic engine (15), capable of analyzing the reservoir health indicators (118) and the validated data (111) to discover features and to associate those features to reservoir health, and storing conditions of such reservoir health features in a database for insights (119); a risk engine (116), capable of identifying reservoir management risks by analyzing the validated data (11) and the insights (119), and capturing or updating the identified risks in a risk registry (20); a performance optimization engine (121), capable of searching for optimum reservoir performance scenarios by interrogating the data-driven model (113) and providing results scenarios for a recommender engine (122); and a recommender engine (122), capable of assimilating scenarios from the performance optimization engine (121), insights database (119) and risk registry (120), comparing reservoir health indicators against established industry benchmark metrics and in response thereof recommending a set of actions (123), recommending a set of surveillance requirements (124) and recommending a set of ranked opportunities (125).
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