Set-delayed cement compositions comprising hydrated lime and silica and methods of cementing in subterranean formations
US7201798B2 · kind B2 · utility
29Cited by
42References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 5, 2005 |
| Grant date | Apr 10, 2007 |
| Priority date | — |
| Expiry date | May 5, 2025 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K8/467
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Cement compositions for use in subterranean formations are provided. An example of a cement composition is a cement composition comprising: water, a cementitious component consisting essentially of: hydrated lime, and silica; and a dispersant. Another example of a cement composition is a cement composition comprising: water, a cementitious component consisting essentially of: hydrated lime, and silica; and a set retarder. Another example of a cement composition is a cement composition comprising: water, a cementitious component consisting essentially of: hydrated lime, and silica; and a fluid loss control additive.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.