Foamed cement slurry
US7435768B2 · kind B2 · utility
3Cited by
8References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 21, 2005 |
| Grant date | Oct 14, 2008 |
| Priority date | — |
| Expiry date | Nov 29, 2026 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B2103/0053
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The present invention relates to a formulation of a foamed cement slurry comprising in combination:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.