Resilient well cement compositions and methods
US5820670A · kind A · utility
166Cited by
27References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 3, 1997 |
| Grant date | Oct 13, 1998 |
| Priority date | — |
| Expiry date | Jun 3, 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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.