U.S. federal trademark · Serial No. 86000612 · Reg. No. 4581583
Surfactant blends for cleaning oil and gas drilling and completion equipment, namely, casing, blowout preventers, boost, choke, and kill lines for blowout preventers, marine risers, drill floor equipment, and workstring surfaces; Polymer blends for removing oil and gas well debris and preventing well contamination; Surfacant and solvent blends for loosening and removing oil and grease from oil and gas drilling and production tubulars; surfactant blends for removing drilling mud residue from oil and gas drilling and production tubulars; Chemically modified cellulose polymers for controlling fluid loss in oil and gas wells; Biopolymer suspensions for increasing the viscosity of carrier fluids used for oil and gas drilling; Cellulose compounds in liquid form for increasing the viscosity of water used in oil and gas drilling operations
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.