Chemical additives for drilling muds; Chemical additives for fracturing fluid for use in oil and gas wells; Chemical additives for oil well drilling fluids; Chemical additives for use as binding agents in feed pellets; Chemical additives for use as binding agents in concrete additives; Chemical additives for hydraulic fracking fluid; Chemical additives for surface treatment of proppants; Specialty chemicals, namely, chemical additives for general industrial use in the manufacture of a wide va...