U.S. federal trademark · Serial No. 85115661 · Reg. No. 4886142
Chemical additives for oil recovery well fluids, fracturing fluids, and hydrostatic test waters for use in emulsification, corrosion inhibition, fluid loss control, and suspension control in on-shore and off-shore drilling in the oil field industry; Chemical additives for use in secondary oil recovery systems for use in emulsification, corrosion inhibition, fluid loss control, and suspension control in on-shore and off-shore drilling in the oil field industry, namely, chemicals used in oil drilling
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.