The “intelligent” well is a common name for a well completed with remotely operated valves controlling fluid flow into or out of the different production zones. The downhole valves may be combined with different downhole measurements. Although it may be disputed if these installations make the wells intelligent, the prospective benefits for well operation and reservoir management are significant. The technology is still immature; about 50 wells with downhole controllable valves are currently installed worldwide. As reliability is improving, this number is expected to increase rapidly. In more advanced systems, wellbore sensors can measure parameters in the well such as...

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