Engineering services, namely, providing assistance in the use of well control apparatus and tools for downhole oil, gas or injection wells; namely, services which include 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 shot 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 fiber optic sensors, optomechanical and opto-hydraulic actuated devices