Method for improving injectivities of biopolymer solutions
US4493774A · kind A · utility
4Cited by
8References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 18, 1982 |
| Grant date | Jan 15, 1985 |
| Priority date | — |
| Expiry date | Feb 18, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S507/938
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An aqueous heteropolysaccharide solution is treated to improve its injectivity into a subterranean hydrocarbon reservoir by passing the solution through a colloid mill.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.