C-LOCK Trademark

Scientific and technological services, namely, research and design services in the field of oil, gas, condensate and water wells, well bores and boreholes; industrial analysis and research services in the field of oil, gas, condensate and water wells, well bores and boreholes; analysis for oil-field exploitation; oil well controlling activities providing measurements and downhole telemetry, performing well diagnostics, well logging and testing related to sealing and securing wells; geological surveys; engineering services in the field of oil, gas, condensate and water wells, well bores and boreholes; oil-field surveys; oil exploration

Power-operated tools, machines and apparatus for drilling, completing, cementing, producing fluids from, and intervention in oil, gas, condensate and water wells, well bores and boreholes, and for use in drill, completion, intervention and production strings; automated battery-operated downhole tools for use in drilling oil, gas, condensate and water wells, well bores and boreholes; power-operated downhole cementing tools for use in oil, gas, condensate and water wells, well bores and boreholes; power-operated flow control and flow circulation tools for use in oil, gas, condensate and water wells, well bores and boreholes; subsurface valves being parts of machines; wellheads in the nature of machinery for use in oil and gas wells; oilfield pump valve assemblies for controlling flow of downhole fluids; hydraulic circulation valves being parts of machines; circulation valves being parts of machines; oil field machines being packers; oil field machines being intervention packers for sealing and securing oil, gas, condensate and water wells, well bores and boreholes; oil field machines being permanent packers for sealing and securing oil, gas, condensate and water wells, well bores and boreholes; oilfield machines being packers actuated by electrical submersible pumps (ESP) for sealing and securing oil, gas, condensate and water wells, well bores and boreholes; oil field machines being retrievable packers for sealing and securing oil, gas, condensate and water wells, well bores and boreholes; oil field machines being pocket packers for sealing and securing oil, gas, condensate and water wells, well bores and boreholes; oil field machines being cased hole packers for sealing and securing oil, gas, condensate and water wells, well bores and boreholes; oil field machines being open hole packers for sealing and securing oil, gas, condensate and water wells, well bores and boreholes; subs, namely, submersible pumps for sealing and securing oil, gas, condensate and water wells, well bores and boreholes; downhole subs spacer subs, namely, submersible pumps for sealing and securing oil, gas, condensate and water wells, well bores and boreholes; straddles, namely, belts for machines for sealing and securing oil, gas, condensate and water wells, well bores and boreholes; gas lift straddles, namely, belts for machines for sealing and securing oil, gas, condensate and water wells, well bores and boreholes; perforation cleanup straddles, namely, belts for machines for sealing and securing oil, gas, condensate and water wells, well bores and boreholes; power-operated setting tools for sealing and securing oil, gas, condensate and water wells, well bores and boreholes; power-operated non-explosive setting tools for sealing and securing oil, gas, condensate and water wells, well bores and boreholes; motorized setting tools for sealing and securing oil, gas, condensate and water wells, well bores and boreholes; parts of machines for sealing and securing oil, gas, condensate and water wells, well bores and boreholes, namely, hangers, intervention hangers, suspension hangers, retrievable hangers, plugs, bridge plugs, high pressure plugs, slips, mechanical slips, hydraulic slips, chokes, variable chokes, and hydraulically-operated chokes

Building construction; repair services for oil, gas, condensate, and water wells, well bores, and boreholes; installation service, namely, drilling of wells for exploitation of oil and natural gas

Metal products for use in sealing and securing oil, gas, condensate and water wells, well bores and boreholes, namely, metal pipes, pipe work and tubes of metal, metal liners and casings, metal sleeves and metal sliding sleeves; metal wells, well bore and borehole liners and casings; metal subs, namely, drill string short drill collars and thread crossovers for use in oil, gas, condensate and water wells, well bores and boreholes; metal downhole subs, namely, drill string short drill collars and thread crossovers for use in oil, gas, condensate and water wells, well bores and boreholes; metal hardware for use in the construction, maintenance and repair of, and intervention in, oil, gas, condensate and water wells, well bores and boreholes, namely, drill collars, drill pipes and sleeves; manually operated metal drill string slips for gripping drill pipe; metal pipe clamps; metal plugs; metal wiper plugs; metal manifolds for oil, gas, condensate and water wells, well bores and boreholes; drill pipe attachments, namely, metal drill collars; metal pipe protectors; metal drill pipe protectors; metal packer retrieving goods for use in sealing and securing oil, gas, condensate and water wells, well bores and boreholes, namely, washover retriever tools and muleshoe retriever tools for debris removal from plug necks; metal valves not being parts of machines; metal blow-out preventers, namely, metal valves not being parts of machines for oil, gas, condensate and water wells, well bores and boreholes; metal gate valves not being parts of machines; manually operated metal chokes being valves; metal check valves not being parts of machines; metal diverter valves and kelly valves not being parts of machines; metal safety valves not being parts of machines; metal float valves not being parts of machines