Patent ID: 11859122
Assignee: HALLIBURTON ENERGY SERVICES, INC.
Field: Materials, metallurgy (Chemistry)
Classification: CPC C  F  Y | IPC C  F

Claim 0:
1. A method comprising:
entraining carbon dioxide (CO2) in a cement slurry composition and subjecting the cement slurry composition to conditions under which the entrained CO2 achieves and maintains a supercritical state;
introducing the cement slurry comprising the entrained CO2 in the supercritical state downhole at a wellsite; and
allowing the cement slurry composition to harden to form a hardened cement having the entrained CO2 sequestered in the supercritical state therein,
wherein the hardened cement comprises a cement selected from Portland cements, pozzolana cements, gypsum cements, alumina based cements, or a combination thereof.