Baker Hughes Corporation

Nyal S Walker

Dennis K Clapper

Michael A Jarrett

Patrick L Henderson

The invention concerns a method for determining the presence and quantity of an amine-based additive in fluids, particularly aqueous fluids used in hydrocarbon recovery such as drilling fluids, drill-in fluids, completion fluids, and the like. It was discovered that, after isolating the amine-based additive, the amount of clay stabilizer is linearly dependent upon the spectrometric count of its peak fluorescent spectrum. The method is reproducible and is not bothered by the presence of lignosulfonate and/or lignite which interferes with conventional methods.

Method for determination of amine-based additives in drilling fluid filtrates

An apparatus and method is presented for the determination of water soluble glycols and polyglycols (polyalkoxylates). The apparatus and method are particularly suited for the on-site quantitation of glycols and polyglycols in aqueous drilling fluids.

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Houston, TX, United States of America

Nyal S Walker