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US 12,617,999 B2Granted
Self-healing cement
OwnerAngela Anh Doan, Radhika Sureshinventors
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Abstract
A method of cementing a wellbore includes forming a cement slurry by combining a nanocellulose, an amine component, a cement component, and an aqueous carrier; injecting the cement slurry into the wellbore; and allowing the cement slurry to set, thereby cementing the wellbore.
Claims11
A method of cementing a wellbore, the method comprising:
- forming a cement slurry by:
- combining a nanocellulose and an amine component comprising amine-functionalized inorganic nanoparticles to form a gel;
- and
- adding a cement component and an aqueous carrier to the gel;
- injecting the cement slurry into the wellbore;
- and
- setting the cement slurry, thereby cementing the wellbore.
4 more elements
Dependencies are inferred from the claim text.