Salt cement dispersant and method of using same in cementing subterranean wellbore
US4522653A · kind A · utility
17Cited by
6References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 3, 1984 |
| Grant date | Jun 11, 1985 |
| Priority date | — |
| Expiry date | Apr 3, 2004 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B24/163
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A dispersant for cement slurries is provided comprised of a copolymers of sodium vinylsulfonate and either acrylic acid or acrylamide. Salt cement slurries and method of use in cementing in subterranean wellbores are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.