Process for selecting a steam foam forming surfactant
US4601336A · kind A · utility
7Cited by
7References
6Claims
0Family size
Assignee
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Key dates
| Filing date | Sep 17, 1984 |
| Grant date | Jul 22, 1986 |
| Priority date | — |
| Expiry date | Sep 17, 2004 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/24
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A steam-foam-forming surfactant effective for displacing the oil in a particular reservoir is selected by comparing the capabilities of foams formed by different surfactants for both flowing preferentially into permeable porous materials which contain that reservoir oil and displacing that oil from those materials.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.