88746161
Jan 3, 2020
Downhole tools for hydrocarbon wellbore completion and production, namely, metal sand screens
Metal GoodsDownhole tools for hydrocarbon wellbore completion and production, namely, control valves for regulating the flow of liquids; Downhole tools for hydrocarbon wellbore completion and production, namely, electrical monitoring devices for monitoring temperature and pressure of hydrocarbon wellbore fluids
Electrical and Scientific Apparatus