Oil recovery

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:
 * Fast oil recovery
 * See also: Bottsand-class oil recovery ship, Skimmer, Oil Spill Eater II, Oil Spill Response
 * Enhanced oil recovery
 * Microbial enhanced oil recovery
 * Solar thermal enhanced oil recovery
 * petroleum extraction and
 * oil drilling