Oil recovery refers to the cleaning and recovery methods after an oil spill:
or a form of tertiary (sometimes: improved secondary) recovery of crude oil from primary oil reserves:
Alternatively it may simply be used as a euphemism for:
Oil recovery refers to the cleaning and recovery methods after an oil spill:
or a form of tertiary (sometimes: improved secondary) recovery of crude oil from primary oil reserves:
Alternatively it may simply be used as a euphemism for: