Recovery of viscous oil from geological reservoirs using hydrogen peroxide
US4867238A · kind A · utility
29Cited by
10References
29Claims
0Family size
Assignee
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Key dates
| Filing date | May 18, 1988 |
| Grant date | Sep 19, 1989 |
| Priority date | — |
| Expiry date | May 18, 2008 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/243
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Viscous oil in a geological formation is recovered by producing hydrogen peroxide near the formation, injecting hydrogen peroxide into the formation to effect its decomposition and reaction of oxygen with resident hydrocarbon, and recovering oil in response to injection of hydrogen peroxide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.