Use of high ethoxylate low carbon atom amines for simultaneous removal of sulfonate surfactants and water from recovered crude oil
US4548707A · kind A · utility
3Cited by
6References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 23, 1984 |
| Grant date | Oct 22, 1985 |
| Priority date | — |
| Expiry date | Apr 23, 2004 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G33/04
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
This invention relates to secondary or tertiary recovery processes for the recovery of oil from subterranean oil-bearing reservoirs. More particularly, this invention relates to an improved method for the recovery of petroleum from underground reservoirs, which petroleum contains sulfonate surfactants and water and for a method of removing said sulfonate surfactants and water from petroleum produced from said recovery processes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.