Downhole preparation and use of thixotropic cement slurries
US7757765B2 · kind B2 · utility
25Cited by
12References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 29, 2007 |
| Grant date | Jul 20, 2010 |
| Priority date | — |
| Expiry date | Nov 29, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W30/91
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A method for use within a subterranean formation penetrated by a wellbore includes introducing a thixotropic agent into the well and introducing a cement slurry into the well. The method includes forming a thixotropic cement slurry downhole, including mixing the cement slurry and the thixotropic agent downhole.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.