Cement compositions
US5711801A · kind A · utility
70Cited by
20References
25Claims
0Family size
Inventors
Key dates
| Filing date | Sep 25, 1996 |
| Grant date | Jan 27, 1998 |
| Priority date | — |
| Expiry date | Sep 25, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K8/473
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The present invention provides lightweight, fast setting cement compositions and methods which can be utilized in performing a variety of well cementing operations. The cement compositions are basically comprised of slag cement, water sufficient to form a pumpable slurry, a gas sufficient to foam the slurry and a foaming agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.