Oil and gas well services, namely, using wireless telemetry downhole tools for collecting, measuring, calculating and transmitting data to the surface for real-time monitoring, reservoir description, geosteering and operating parameters for oil and gas well operations

Wireless telemetry systems, namely, electronic memory gauges, sensors and actuator used for collecting, measuring, and transmitting data to the surface for real-time monitoring, reservoir description, and geosteering in oil and gas operations

Heating and refrigerating apparatus, particularly apparatus for refrigerating and/or heating industrial machines, particularly for die casting and injection molding, using oil or water