Baker Hughes Corporation

Jim J Sheu

Ronald Gene Bland

A fluid is provided for the drilling, workover or completion of a subterranean well comprising an aqueous base, the browning reaction product of a carbohydrate, and a cation. Inversion of non-reducing sugars is effected on selected carbohydrates, with the inversion also catalyzing the browning reaction. Inhibition of continued in-situ browning reaction is provided by the addition of a stabilizer.

Drilling fluid with stabilized browning reaction anionic carbohydrate

A fluid is provided for the drilling, workover or completion of a subterranean well comprising an aqueous base, the browning reaction product of a carbohydrate, and a cation. Inversion of non-reducing sugars is effected on selected carbohydrates, with the invention also catalyzing the browning reaction.

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Houston, TX, United States of America

Jim J Sheu