Resilient well cement compositions and methods
US5688844A · kind A · utility
159Cited by
21References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 1, 1996 |
| Grant date | Nov 18, 1997 |
| Priority date | — |
| Expiry date | Jul 1, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC04B2111/503
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention provides resilient cement compositions and methods which are particularly useful in the construction and repair of oil and gas wells. The cement compositions have improved mechanical properties including elasticity and ductility and are basically comprised of cementitious material, an aqueous rubber latex and a latex stabilizer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.