Geopolymer composition and application for carbon dioxide...

Compositions: coating or plastic – Coating or plastic compositions – Alkali metal silicate containing

Reexamination Certificate

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C106S672000, C106S676000, C106S677000, C106S678000, C106S679000, C106S716000, C106S737000, C106SDIG002

Reexamination Certificate

active

07846250

ABSTRACT:
The invention provides geopolymeric compositions intended for use in carbon dioxide injection or production wells or storage reservoirs and preferably in a supercritical carbon dioxide conditions. The geopolymeric composition is formed from a suspension comprising an aluminosilicate source, a metal silicate, an alkali activator, a retarder and/or an accelerator and a carrier fluid wherein the oxide molar ratio M2O/SiO2is greater than 0.20 with M an alkali metal.

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