[ Drilling rigs, namely, floating, non-floating and sub-sea mechanical installations for drilling and extraction of oil and gas, and component parts for such equipment; equipment for oil drilling, namely, single and dual drilling and derrick systems, comprised primarily of top drives, traveling block, draw works, pipe handling valves, spools and fittings, subsea equipment in the nature of blow out prevention valves and assemblies of valves, spools and fittings, blowout preventing valves in the nature of valves that create security barriers towards the reservoir, remote controlled casing tongs, remote controlled drilling systems comprised primarily of industrial robots that control motion, programmable logic controllers (PLCs), and data acquisition computer systems all sold as a single unit; drilling rigs, floating and non-floating; drilling derricks, floating and non-floating; machines and machine tools for drilling rigs, namely, single and dual drilling machinery that creates boreholes and shafts in the ground or seabed, top drives, roughnecks, pipe handling machinery in the nature of rotating and connecting and managing the drillpipe and drillpipe stands, blowout preventing systems comprised of blowout prevention valves, assemblies of valves, spools and fittings; motors and engines other than for land vehicles; machine couplings and transmission components other than for land vehicles ]

[ Apparatus and instruments for conveying, distributing, transforming, storing, regulating or controlling electric current; data processing equipment, namely, computer hardware; computers; computer database software for oil drilling, planning, reporting, modeling, engineering and simulation; computer software for computer system and application development and management in the field of oil drilling, planning, reporting, modeling, engineering and simulation ]

[ Advertising services; business management; business administration and office work; e-commerce services, namely, computerized on-line ordering services in the field of e-learning ]

Oil rig and gas rig contractor and constructions services for the oil industry and within the field of oil and gas; installation and maintenance of drilling equipment for oil and gas installations; rental of drilling equipment for use in the oil industry; building construction and repair; Technical consulting services regarding oil and gas drilling

Scientific and technological services and research and design in the field of drilling technology, drilling vessels, drilling vessels design and engineering, casing services, well management, drilling engineering, subsea equipment and engineering; industrial research in the field of drilling equipment, drilling technology, drilling engineering, well engineering, casing equipment, subsea engineering, drilling modeling and simulation software; design and development of computer hardware and software; oil-well testing; engineering services regarding oil and gas drilling; oil prospecting