Graphene compositions and drilling fluids derived therefrom

Details Graphene compositions and drilling fluids derived therefrom Graphene compositions and drilling fluids derived therefrom

C - Chemistry, Metallurgy

01

B

C01B 31/00 (2006.01) C01B 31/04 (2006.01) C09K 8/03 (2006.01) C09K 8/035 (2006.01)

Patent

CA 2714050

Drilling fluids comprising graphenes and nanoplatelet additives and methods for production thereof are disclosed. Graphene includes graphite oxide, graphene oxide, chemically-converted graphene, and functionalized chemically-converted graphene. Derivatized graphenes and methods for production thereof are disclosed. The derivatized graphenes are prepared from a chemically-converted graphene through derivatization with a plurality of functional groups. Derivatization can be accomplished, for example, by reaction of a chemically-converted graphene with a diazonium species. Methods for preparation of graphite oxide are also disclosed.

L'invention concerne des fluides de forage comprenant des graphènes et des additifs nanolamellaires et des procédés pour la production de ceux-ci. Le graphène comprend de l'oxyde de graphite, de l'oxyde de graphène, du graphène chimiquement converti et du graphène chimiquement converti fonctionnalisé. L'invention concerne des dérivés de graphènes et des procédés pour la production de ceux-ci. Les dérivés de graphènes sont préparés à partir d'un graphène chimiquement converti par dérivation par une pluralité de groupes fonctionnels. La dérivation peut être réalisée, par exemple, par réaction d'un graphène chimiquement converti avec une espèce de diazonium. L'invention concerne également des procédés pour la préparation d'oxyde de graphite.

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