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US 11,230,497 B2Granted
Cement additives
AssigneeSaudi Arabian Oil Company
InventorsHasmukh A. Patel, Peter Boul, Carl Thaemlitz
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Abstract
A cement composition and set cement including cement and a sliding-ring polymer. A system and method of applying the cement composition.
Claims27
A cement composition comprising:
- cement at an amount greater than any other constituent in the cement composition;
- water at an amount greater than any other constituent in the cement composition, except for the cement;
- a sliding-ring polymer comprising a polyrotaxane and a polymer, wherein the polymer is bonded to the polyrotaxane;
- and
- a defoamer that restricts foam formation in the cement composition, wherein the cement composition is a cement slurry.
2 more elements
A cement composition comprising:
- cement at an amount greater than any other constituent in the cement composition, wherein the cement comprises Portland cement;
- water at an amount greater than any other constituent in the cement composition, except for the cement;
- and
- a sliding-ring polymer comprising a polyrotaxane and a polymer, wherein the polymer is bonded to the polyrotaxane.
1 more element
A cement composition comprising:
- cement at an amount greater than any other constituent in the cement composition, wherein the cement comprises Portland cement;
- water;
- a sliding-ring polymer comprising a polyrotaxane and a polymer, wherein the polymer is bonded to the polyrotaxane;
- and
- a defoamer that restricts foam formation in the cement composition, wherein the cement composition is a cement slurry.
2 more elements
Dependencies are inferred from the claim text.