Resilient well cement compositions and methods
US5795924A · kind A · utility
107Cited by
20References
45Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 17, 1997 |
| Grant date | Aug 18, 1998 |
| Priority date | — |
| Expiry date | Apr 17, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W30/91
- 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.