88901333
May 5, 2020
Oil and gas well completion system for wellbore production and injection, namely, a tool for down hole flow control, temperature monitoring, and pressure monitoring in oil and gas wells, comprised primarily of control valves for regulating the flow of liquids, pressure gauges, and temperature gauges, and also including valve actuators, connectors, casing, and tubing, sold together as a single tool
Electrical and Scientific Apparatus