Nanosilica dispersion well treatment fluid
AssigneeSaudi Arabian Oil Company
InventorsVikrant Wagle, Abdullah Al-Yami
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Abstract
A well treatment fluid is provided having an acidic nanosilica dispersion and an alkanolamine. The nanosilica dispersion and the alkanolamine may form a gelled solid after interaction over a period. Methods of reducing water production using the well treatment fluids are also provided.
Claims12
A treatment fluid for reducing water production in a treatment zone in a wellbore, comprising:
- an acidic nanosilica dispersion;
- and
- an alkanolamine, the alkanolamine selected to form a gelled solid after interaction with the acidic nanosilica dispersion for a period.
A solid gelled material useful for reducing water production where the solid gelled material forms by introducing an acidic nanosilica dispersion and the alkanolamine to a treatment zone, the acidic nanosilica dispersion comprising:
- amorphous silicon dioxide in the range of 5 weight percentage of the total weight (w/w %) to about 50 w/w %;
- and
- water in the range of 50 w/w % to 95 w/w %;
- such that the acidic nanosilica dispersion and the alkanolamine contact the treatment zone having an elevated temperature for a period such that the solid gelled material forms.
Dependencies are inferred from the claim text.