Lightweight cement compositions and methods of cementing in subterranean formations
US6689208B1 · kind B1 · utility
136Cited by
23References
33Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 4, 2003 |
| Grant date | Feb 10, 2004 |
| Priority date | — |
| Expiry date | Jul 3, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W30/91
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The present invention provides lightweight cement compositions, and methods for cementing in a subterranean formation using such cement compositions. The cement compositions comprise hydrated lime, vitrified shale, and sufficient water to form a slurry. Optionally, other ingredients may be included in the compositions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.