Compositions and methods for reducing fluid loss
US9611716B2 · kind B2 · utility
0Cited by
12References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 28, 2012 |
| Grant date | Apr 4, 2017 |
| Priority date | — |
| Expiry date | May 23, 2034 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B21/003
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The current application discloses compositions and methods for reducing fluid loss during subterranean operations. CO2 activated swellable elastomers can be used in subterranean operations to reduce fluid loss. In particular, the current application discloses compositions and methods for reducing lost circulation during drilling and drilling related subterranean operations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.