corrosion inhibitors and wax solvents, namely aromatic hydrocarbons, surface acting agents having a detergent effect, and carbon bisulfide for dewaxing or solubilizing the precipitated or accumulated waxes in petroleum storage tanks, pumping systems and oil well bores

demulsifiers and corrosion inhibitors for use in industrial processes and oil field and refinery processes, chemicals for use in the petroleum industry, scale inhibitors, hydrogen sulfide scavengers and mercaptan scavengers for use in the petroleum industry, chemical additives for fuel treatment, chemical additives for drilling fluid, oil and gas well service chemicals, crude oil production chemicals, chemical additives for use in natural gas pipelines, oil field water treatment chemicals, ch...