Compositions for modifying rheological properties of cement systems
US9296939B2 · kind B2 · utility
2Cited by
20References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 5, 2010 |
| Grant date | Mar 29, 2016 |
| Priority date | — |
| Expiry date | Oct 20, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B2103/46
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A method of servicing a wellbore comprising contacting a wellbore servicing composition with a rheology modifying additive wherein the rheology modifying additive comprises a gum and a polymeric material. A method of cementing in a subterranean formation comprising providing a sealant composition comprising cement, water, and a rheology modifying additive wherein the rheology modifying additive comprises a gum and an anionic polymer, placing the composition in the subterranean formation, and allowing the cement composition to set therein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.