Aqueous gellable composition with delayed gelling time

Aqueous gellable composition, useful for modifying the permeabil

Aqueous gelling and/or foaming agents for aqueous acids and meth

Aqueous gelling and/or foaming agents for aqueous acids and meth

Aqueous gels and uses thereof

Aqueous micro-emulsions of organic substances

Aqueous organic sulfonate surfactant systems containing phenylet

Aqueous polysaccharide compositions

Aqueous silica dispersion

Aqueous solutions of quaternary ammonium compounds

Aqueous surfactant mixtures, and the use thereof in the recovery

Aqueous well fluids

Aqueous well-drilling fluids

Aqueous wellbore service fluids

Asbestos composition having organo-silane coating

Assisted oil recovery with use of fermentation fluids

Balanced-activity improved inverse emulsion to inhibit brittle l

Barium compound-containing thickening agent and drilling fluids

Biopolymer compositions having enhanced filterability

Biopolymer formulations and processes for preparing them