well control apparatus and tools for downhole oil, gas or injection wells, namely downhole computerized control electronics, electromechanical devices, production well sensors; electronically controlled downhole tools; permanent downhole formation evaluation sensors; remotely activated downhole tools, controlled fluid and gas flow control valves, controlled inflation and deflation devices; remotely controlled variable choke and shut off valves; retrievable sensor side pocket mandrels; safety valves and pressure monitors; production well controllers and monitors; and telemetry devices and transceivers for two way communication