Use of synthetic smectite in set-delayed cement compositions
US9580638B2 · kind B2 · utility
11Cited by
61References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 5, 2013 |
| Grant date | Feb 28, 2017 |
| Priority date | — |
| Expiry date | Dec 5, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2208/08
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Disclosed herein are cement compositions and methods of using set-delayed cement compositions in subterranean formations. In one embodiment a method of cementing in a subterranean formation is described. The method comprises providing a set-delayed cement composition comprising pumice, hydrated lime, a cement set retarder, a synthetic smectite, and water; introducing the set-delayed cement composition into a subterranean formation; and allowing the set-delayed cement composition to set in the subterranean formation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.