1
Chemicals used in industry and science; fluids for use in the drilling of oil and gas wells; fluids for use in the extraction of oil and gas; fluids for industrial purposes; de-ionized fluids; de-salinized fluids; gases; carbon dioxide, hydrocarbon gas, nitrogen
9
Computer software; measuring apparatus and equipment; predictive toolkits, reservoir modelling tools, equation-of-state tools; apparatus and equipment for measuring pressure, volume and temperature; apparatus and equipment for special core analysis and coreflooding
35
Business services relating to the extraction of oil and gas; business services relating to the oil and gas industry
37
Operation of oil and gas fields; oil field exploitation for the extraction of oil; oil extraction services; services for enhanced oil recovery from oil wells; consultancy relating to refining technology; consultancy and advisory services relating to the extraction of oil, enhanced oil recovery and improving efficiency and output of oil wells; consultancy relating to refining technology; refining technology services; oil field exploitation for the extraction of oil
42
Oil well testing; scientific services relating to the extraction of oil and gas; oil prospecting; oil well testing; operation of oil and gas fields (surveying); industrial analysis and research services; technical advice and consulting services in the area of oil and gas fields; research in the field of oil and gas wells; services for enhanced oil recovery from oil wells; 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; development of technologies for increasing oil and gas production; technology development and putting into operation services for increasing oil and gas production; industrial processes for increasing oil and gas production; services for improving efficiency and output of oil and gas wells engineering and technological processes for increasing oil and gas production; refining technology services; consultancy relating to refinery technology; 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; measuring of gas flood response; carbon dioxide sequestration, improving efficiency of carbon dioxide storage; water alternating gas injection in the process of extraction of oil and gas; water mixed with gas injection in the process of extraction of oil and gas