Machines, machine tools, power-operated tools; motors and engines, except for land vehicles; machine coupling and transmission components, except for land vehicles; drill machines; rock drills; radial drills; pneumatic drills; hammer drills; electrical drills; electric drills; air drills; drilling rigs; drilling rods; drilling hammers; drilling machines; industrial drills (machines); rotary drills (machines); well drilling machines; parts and fittings for the aforesaid goods

Scientific services relating to the extraction of oil and gas; oil and gas field exploration; geological research and exploration; oil field analysis and exploration services; technical advice relating to safety; oil well testing; technical advice and consulting services relating to operation of oil and gas fields; research in the field of energy; advisory services relating to energy efficiency; provision of technical consultancy to the petrochemical industry; analysis for oil field exploitation for the extraction of oil; technical data analysis; technical advice and consulting services in the area of oil and gas recovery; engineering services for enhanced oil recovery from oil wells; services for improving efficiency and output of oil and gas wells; engineering and technological services for improving efficiency and output of oil and gas wells; technical processes for increasing oil and gas production; technical consulting relating to data analysis; provision of technical consultancy to the petroleum industry; computer modelling services; development of technologies for increasing oil and gas production; development of industrial processes for increasing oil and gas production; technical advice and consulting services for improving efficiency and output of oil and gas wells; development of engineering and technological processes for increasing oil and gas production; development of industrial and technical processes to prevent the clogging of oil and gas wells; development and analysis of industrial and technical processes, methods for prevention of oil and gas well clogging; technical consultation services in the field of oil recovery