86634105
May 19, 2015
Polymers, biopolymers, polymeric additives and biopolymeric additives for use as components of drilling fluids; Polymers, biopolymers, polymeric additives and biopolymeric additives for use as ready mixes for drilling fluids; chemicals and chemical additives for use as components of drilling fluids; chemicals and chemical additives for use as ready mixes for drilling fluids; chemicals for use in industry, namely, drilling fluids and drilling fluid ready mixes; drilling fluid components, namely, filtration reducers, thinners, dispersants, viscosifiers, flocculants, surfactants, emulsifiers, temperature stabilizers, fluid-loss control and lost-circulation materials
Chemicals