TERRUS
Flow control valves for installation in oil and gas wells; Flow control regulators, namely, control valves for regulating the flow of gases and liquids for installation in oil and gas wells; Rateselectable injection valves, namely, flow control valves that can be actuated to control the rate of injection into a hydrocarbon reservoir; Production flow regulators for installation in oil and gas wells
Pending · February 24, 2020 · 88808293 ·