88356987
Mar 26, 2019
automatic valves in the nature of downhole valves, namely, flow control valves for use in oil and gas wells; downhole tools for controlling injection and production in oil and gas wells, namely automatic valves; downhole tools for use in the completion and treating of oil and gas wells, namely, electrically activated downhole valves
Electrical and Scientific Apparatusinstallation, maintenance, and repair services in the oil and gas industry for downhole valves; oil and gas well improvement services to enhance well production, namely, well stimulation services, well injection services, well treatment services, and well completion services for oil and gas wells using downhole valves
Building Construction and Repair