90658974
Apr 20, 2021
Chemical additives for fracturing fluid for use in oil and gas wells; Chemical additives for oil well drilling fluids; Chemical additives for drilling muds; Chemical preparations for use in industry; Chemicals used in oil drilling; Chemicals for use in decontamination of polluted sites; Chemicals for use in the field of oil exploration and production; Chemicals for the treatment of water and wastewater; Industrial chemicals; Waste water treatment chemicals for industrial use
ChemicalsCustom design and engineering of specialty chemical products used in the oil and gas industry; Technological planning and consulting services in the field of specialty chemical products used in the oil and gas industry
Computer and Scientific