Australia, Aug. 5 -- Schlumberger Ltd. (Schlumberger N.V.), owns the trademark (2457766) for 'SLB' till June 21, 2033.

Status: protected: Registered/protected

Classes: 1 [Chemical preparations for use in industry, namely, acids used in oil and gas exploration and production; hydraulic fluid; chemical preparations, namely, degreasing solvents used in oil and gas exploration and production; chemicals used in oil drilling; drilling muds for use in oil and gas well drilling; chemicals for welding; gases for welding; metal welding flux; chemical drilling fluids for use in subterranean wells, namely, drilling muds, completion fluids, workover fluids and wellbore fluids; chemical additives for use with drilling fluids; chemical drilling fluids f...