Chemicals for use with exploring, drilling and transporting oil and gas; industrial chemicals for use with exploring, drilling, and transporting oil and gas; chemicals for use in the construction, treating, servicing, completion and working of oil, gas, geothermal and water wells; chemicals for use in the oil refining and petrochemicals industry; chemicals used in oil and gas production; chemical preparations for use in industry; chemical preparations for the dispersal of oil; chemicals for use in oil drilling; chemicals for use in oil well construction; chemical additives for oil well drilling fluids; additives for drilling fluids being chemicals and chemical lost circulation materials for use in oil and gas drilling; chemical anti-static preparations for industrial purposes; chemicals for use in the production of chlorine dioxide; chemicals used in oil and gas well stimulation, production enhancement, and secondary and tertiary hydrocarbon recovery; chemicals used in oil and gas well fracturing; chemicals for use in enhancing oil recovery from wells; chemical additives; chemical additives for oils, crude oil, fuel, lubricants, gasoline, drilling lubricants, gas and natural gas liquids; surfactants for industrial purposes; chelating agents; cementing chemicals; chemicals for oil pipeline and midstream oil production; detergent additives to gasoline [petrol]; oil dispersants; oil-purifying chemicals; emulsifiers; enzymes for industrial purposes; filtering materials [chemical preparations]; filtering materials [mineral substances]; deflocculating agents for oil and crude oil; anti-freezing liquids and preparations; hydraulic fluids; transmission fluids; purifying additives for fuel, adhesives used in industry; chemical drilling muds for oil and gas wellhead; reservoir chemicals and fluids, namely, chemicals for use in oil drilling and oil well construction.

Oil and gas well treatment; refining services; refining of petroleum products; oil refinery services; petrochemical refining services; processing of chemical and petrochemical substances; processing of natural gas; filtration and purification of natural gas; processing of oil and natural gas; treatment of materials using chemicals; treatment of oil spills; technical consulting in the field of oil and gas wells treatment; technical consulting in the field of gas production and processing; technical consulting in the field of oil refining and processing; provision of information relating to oil spills treatment; information regarding treatment of materials; filtration services for the petroleum industry; chemical processing of industrial catalysts to remove metal particles prior to reuse; processing of used exhaust catalysts for recovery of noble metals; regeneration of spent catalysts; rental of generators; rental of chemical processing machines and apparatus and provision of information relating thereto; rental of power-generating equipment.

Surveying [engineering]; material testing; engineering consultancy; oil prospecting; oil well testing; oil field surveying; chemistry services; analysis for oil field exploration; inspection and analysis of oil fields; engineering services for the analysis and research in the scientific and technological fields; services of engineers assuming responsibility for analysis, scientific, technological, chemical research; industrial research relating to the oil and gas industry; technical research relating to the oil and gas industry; scientific and technological services as well as industrial analysis and research services; research, development, and technological consulting services for the oil and gas industry; environmental protection consultancy, research and development of new products for others; chemical research and analysis; chemical analysis; evaluation of chemical analyses; scientific chemical analysis of digital oil and gas field data; product development consultation for inventors in the field of chemical engineering; preparation of reports relating to chemical research; computer programming services for commercial analysis and reporting; calibration [measuring]; diagnostic services for the oil and gas industry, namely, identifying issues with equipment, machinery, apparatus, and chemicals used in the recovery, production, processing, and refining of oil and gas; quality control auditing services for the oil and gas industry; chemical laboratory services; scientific laboratory services; technical measuring and laboratory testing services; consultancy relating to laboratory testing; leasing and rental of laboratory instruments and apparatus.