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Oil recovery refers to the cleaning and recovery methods after an oil spill:
- Fast oil recovery
- See also: Bottsand-class oil recovery ship, Skimmer, Oil Spill Eater II, Oil Spill Response Limited
or a form of tertiary (sometimes: improved secondary) recovery of crude oil from primary oil reserves:
- Enhanced oil recovery
- Microbial enhanced oil recovery
- Solar thermal enhanced oil recovery
Alternatively it may simply be used as a euphemism for:
- petroleum extraction and
- oil drilling
Source of the article : Wikipedia