Prepacked screen
US5551513A · kind A · utility
144Cited by
7References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 12, 1995 |
| Grant date | Sep 3, 1996 |
| Priority date | — |
| Expiry date | May 12, 2015 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/082
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Disclosed is an improvement in a prepacked well screen assembly which includes coating the granular material in the filter medium with a resin system including an oligomer of furfuryl alcohol, a catalyst including an oil soluble, slightly water soluble organic acid, and an ester of a weak organic acid to consume water produced by the polymerization of the resin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.