Chemically inert resin coated proppant system for control of pro

Chitosan-containing well drilling and servicing fluids

Clay control additive for wellbore fluids

Clay stabilizing aqueous drilling fluids

Clay-free biodegradable wellbore fluid and method for using same

Clear brine drill-in fluid

Composition and method for thickening heavy aqueous brines...

Composition and process for stabilizing viscosity or controlling

Composition for oil and gas drilling fluids with...

Composition for oil and gas drilling fluids with...

Composition for use in sealing a porous subterranean...

Composition of drilling fluids comprising ground elastomeric...

Compositions and methods for solidifying drilling fluids

Compositions containing combinations of surfactants and derivati

Compositions containing esters of carboxy-containing interpolyme

Compositions for and methods of stabilizing subterranean...

Compositions for controlled release

Compositions for drilling fluids useful to provide flat...

Compositions for restoring lost circulation

Compositions for solving lost circulation problems