U.S. federal trademark · Serial No. 86126564
Chemicals and chemical preparations for use in oil drilling; chemical additives for oil well drilling fluid; drilling fluid additives, namely, drilling fluid additives used to seal permeable sands and micro fractured shales; drilling fluid additives, namely, lost circulation additives for use in oil and gas drilling fluids
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.