Chemical fracturing fluids for use in the oil and gas industry; Chemical additives for fracturing fluid for use in oil and gas wells; Chemicals used in oil and gas well stimulation; Chemicals for use in oil and gas well fracturing; Specialty chemicals, namely, chemical additives for general industrial use in the manufacture of a wide variety of goods; Chemical thickeners for use in the manufacture of emulsion; Chemicals used in oil drilling; Drilling muds for use in oil well drilling; Chemica...