Crosslinking chitosan for reducing permeability in a well

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United States of America Patent

PATENT NO 9611420
APP PUB NO 20140329724A1
SERIAL NO

13887536

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Abstract

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A composition including: (a) an aqueous phase; (b) a chitosan-based compound dispersed or dissolved in the aqueous phase; and (c) a crosslinker dispersed or dissolved in the aqueous phase, wherein the crosslinker has at least two functional groups independently selected from the group consisting of aldehyde, carboxylic acid, and carboxylate. A method including the step of introducing a composition according to the invention into a treatment zone of a well.

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Patent Owner(s)

  • HALLIBURTON ENERGY SERVICES, INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Das, Prasanta Laskarpur, IN 6 12
George, Shoy C Thrissur, IN 3 10
Patil, Prajakta Ratnakar Pune, IN 19 38

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