Clariant International Ltd

Martin Bauer

Peter Klug

Peter Baur

Jonathan James Wylde

Stephanie Giessler

Siegfried Staiger

Amir H Mahmoudkhani

Peter Mansour

Amir Mahmoudkhani

The invention relates to the use of compositions which contain A) one or more copolymers, said copolymers containing one or more structural units resulting from a) 19.9 to 75.9 wt.-% of glycerin, b) 0.1 to 30 wt.-% of at least one dicarboxylic acid, and c) 24 to 80 wt.-% of at least one monocarboxylic acid according to formula (I): R&#x2014;COOH, wherein Ris (C-C) alkyl; (C-C) alkenyl; phenyl or naphthyl, and B) water for reducing drift during the application of a spray emulsion that contains one or more pesticides.

Use of aqueous drift-reducing compositions

The present invention relates to a new Winsor type IV microemulsion system for faster return of well service fluid and enhanced production of hydrocarbon-containing fluids in fractured tight subterranean formations, where the microemulsion system includes a surfactant subsystem including at least one glucamide sugar surfactant, a solvent subsystem and a co-solvent subsystem and to methods for making and using same.

Well service fluid composition and method of using microemulsions as flowback aids

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Frankfurt am Main, Germany

Martin Bauer