9 Christmas trees in the nature of an assembly of valves, spools, and fittings, affixed to a wellhead to control well production or injection through the use of pressure sensors and pressure gauges, for use in oil and gas wells; Christmas trees in the nature of an assembly of valves, spools, and fittings, affixed to a wellhead to control well production or injection through the use of pressure sensors and pressure gauges, for use in storage, cavern, and thermal wells; surface safety valves for use in oil and gas wells; surface safety valves for use in storage, cavern, and thermal wells; electric surface and subsurface safety valve control panels; automatic valves for use in oil and gas wells, namely, gate valves, check valves, and pipeline valves for safety use; automatic valves for use in storage, cavern, and thermal wells, namely, gate valves, check valves, and pipeline valves for safety use; emergency shut down valves for automatic or remote flow shutoff to control pressure and flow to maintain safe conditions, for use in oil and gas, storage, cavern, and thermal wells; control panels used to monitor, operate, and control the flow and pressure in equipment for use in oil and gas, storage, cavern, and thermal wells; metal test plugs in the nature of testing apparatus for use in wellhead equipment
Trademark: 79286405
