METHODS TO USE WATER SHUTOFF MATERIAL COMPOSITION COMPRISING ALKALINE NANOSILICA DISPERSION AND SODIUM BICARBONATE IN DOWNHOLE CONDITIONS

METHODS TO USE WATER SHUTOFF MATERIAL COMPOSITION COMPRISING ALKALINE NANOSILICA DISPERSION AND SODIUM BICARBONATE IN DOWNHOLE CONDITIONS

This disclosure relates a method of reducing water production in a wellbore, which may include introducing an alkaline nanosilica dispersion to the wellbore such that it contacts a water producing zone of the wellbore, introducing a sodium bicarbonate activator to the wellbore such that it contacts...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Kalgaonkar, Rajendra Arunkumar, Wagle, Vikrant
Format: Patent
Sprache:eng
Schlagworte:
ADHESIVES
CHEMISTRY
DYES
MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
PAINTS
POLISHES
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Beschreibung
Zusammenfassung:This disclosure relates a method of reducing water production in a wellbore, which may include introducing an alkaline nanosilica dispersion to the wellbore such that it contacts a water producing zone of the wellbore, introducing a sodium bicarbonate activator to the wellbore such that it contacts the alkaline nanosilica dispersion in the water producing zone, and forming a gelled solid from the water shutoff material in the water producing zone, thereby reducing water production in the wellbore.