Swellable material using soy spent flakes
US8912256B2 · kind B2 · utility
1Cited by
3References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 10, 2011 |
| Grant date | Dec 16, 2014 |
| Priority date | — |
| Expiry date | Jul 19, 2032 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B33/1208
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A hybrid swellable material employs an oleophilic elastomer as a matrix admixed with an organic material derived from soy that is water swellable in brine, as well as fresh water. Various downhole tools may be made using this hybrid swellable material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.