Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
crude oil  | |
|---|---|
| RT | hydrocarbons |
| oil spills | |
| organic compounds | |
| petroleum | |
| volatile organic compounds | |
| SN | This term is used for petroleum after it has left the ground. It occurs infrequently in GeoRef, largely in the context of pollution and production. For studies of oil before it leaves the ground, see petroleum. For discussions of oil resources and reserve |