U.S. federal trademark · Serial No. 77275535 · Reg. No. 3448384
chemical compositions, namely, additives for use in drilling and completions of oil and gas wells; chemical additives for use in the oil and gas industries, namely, completion fluids; drilling muds for use in oil well drilling; chemical compositions, namely, drilling fluids for use in drilling, completion and workover of subterranean oil and gas wells
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