Two-part set-delayed cement compositions
US9255031B2 · kind B2 · utility
22Cited by
65References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 30, 2013 |
| Grant date | Feb 9, 2016 |
| Priority date | — |
| Expiry date | Dec 22, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W30/91
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A variety of methods and compositions are disclosed, including, in one embodiment a method of cementing comprising: providing a pozzolan slurry comprising a pozzolan and water; providing a lime slurry comprising hydrated lime and water; allowing the pozzolan slurry and the lime slurry to remain separate for about one day or longer; mixing the pozzolan slurry and the lime slurry to form a cement composition; and allowing the cement composition to set.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.