Oil and/or gas well logging measurement and data transmission system composed of a surface panels, telemetry sensors, casing collar locators for locating casing connections, gamma ray emitters, tracer ejectors for measuring well bore fluid flow, strain gauge pressure senors, temperature/dielectric sensors, fluid density sensors and flowmeters for real time transmission of data related to oil and/or gas well logging activities

electrically powered, microprocessor based sensors for well logging and general data acquisition in connection therewith