Chemicals for use with exploring, drilling and transporting oil and gas; chemical products for use in exploring, drilling, and transporting oil and gas; chemicals for use in the construction, treating, servicing, completion and working of oil, gas, geothermal anti 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; chemicals and lost circulation materials for use in oil and gas drilling fluid additives; chemical static dissipators; 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; oil and gas wellhead chemical drilling fluids; reservoir chemicals and fluids, namely, chemicals for use in oil drilling and oil well construction.;
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 consultancy relating thereto for the oil and gas industry; consultancy relating to scientific research in the field of environmental protection; research and development of new products for others; chemical research and analysis; chemical analysis and evaluation; 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.;