U.S. federal trademark · Serial No. 88002815 · Reg. No. 6029883
Chemical additives for oil and gas drilling fluid and drilling mud; chemical composition in the form of spherical beads used for well bore packing and sand control in oil well drilling operations; chemical defoaming agents for use in oil and gas well drilling; synthetic proppant for use in oil and gas reservoirs hydraulic fracturing operations; graphite for downhole drilling purposes; oil well drilling fluid additive, namely, a synthetic cellulose fiber used in oil well drilling operations to remove drill cuttings, metal shavings and other debris out of a well bore
Oilfield drilling downhole lubricant; liquid and solid mechanical lubricant for use in oil well drilling, workover, completions and coil tubing applications; lubricants and solid friction reducing particulates in the nature of lubricants used to enhance penetration rates while drilling for oil and gas; drilling lubricants in the nature of spherical beads used in drilling muds for oil and gas well drilling
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.