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By: Halliburton Energy Services, Inc.,

[class : 40] Oil, Gas And Geothermal Well Treatment, Perforating, Fracturing, Stimulating And Plugging[class : 42] Engineering, Geological Estimations And Research And Computer Programming For Others, All In The Field Of Oil, Gas And Geothermal Well Drilling; Testing Analysis And Treating Of Oil, Gas And Geothermal Well Workings; And Oil, Gas And Geothermal Field Exploration.[class : 7] Machines And Machine Tools, Namely Pumps, Injectors, Coiled Tubing Units, Engines, Transmissions, Workover Equipment, Mudding Equipment, Cement Mixers, Centrifugal Pumps, Recirculating Mixers, Drills, Motors, Packers, Liner Hangers, Landing Nipples, Hydraulic Valves And Controls, Pneumatic Valves And Controls, Wireline Equipment, Rotary Sidewall Coring Equipment, Blenders, Sand Feeders And Conveyors, Cementing, Fracturing And Acidizing Tools, Valve Actuators, Couplings, High Pressure Jetting Apparatus, Circulating Tanks, Dump Bailers, Perforators, Fluid Samplers, Nitrogen And Carbon Dioxide Units, Filtration Units, For Use In Well Drilling And Well Working.[class : 37] Oil, Gas And Geothermal Well Drilling, Cementing And Pressure Grouting Services; Construction And Installation Of Pneumatic Bulk Handling Systems Comprised Of Pipes, Tubing, Couplings, Pumps, Blowers, Filters, Valves, And Electrical Controls And Switches.[class : 9] Computer Software For Analyzing Engineering, Geological And Geophysical Data And Electrical Apparatus For Use In The Control Of Machines, Namely Electrical Gauges And Control Panels And Sensors.[class : 1] Chemicals For Use In The Construction, Treating, Servicing, Completion And Working Of Oil, Gas, Geothermal And Water Wells And Cleaning Of Industrial Facilities.