Cementing multi-lateral wells
US5588488A · kind A · utility
231Cited by
14References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 22, 1995 |
| Grant date | Dec 31, 1996 |
| Priority date | — |
| Expiry date | Aug 22, 2015 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B41/0042
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The present invention provides methods of cementing the junction of multi-lateral wells whereby the set cement can withstand impacts and shocks without shattering. A cement slurry composition which sets into a high strength impact resistant solid mass is utilized comprised of a styrene/butadiene aqueous latex, a latex stabilizer, hydraulic cement and appropriate cementing additives.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.