Self-suspending proppants for hydraulic fracturing
US9644139B2 · kind B2 · utility
9Cited by
66References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 3, 2015 |
| Grant date | May 9, 2017 |
| Priority date | — |
| Expiry date | Dec 3, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2998
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention provides for modified proppants, comprising a proppant particle and a hydrogel coating, wherein the hydrogel coating localizes on the surface of the proppant particle to produce the modified proppant, methods of manufacturing such proppants and methods of use.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.