Reserves Type
| Conventional | Unconventional |
|---|---|
| Oil | Shale Oil |
| Gas | Shale Gas |
| Condensate | Bitumen |
| Oil density | ||
|---|---|---|
°API | kg/m3 | |
| Light crude | > 31.1 | < 870 |
| Medium oil | 22.3 - 31.1 | 870 - 920 |
| Heavy crude | 10 - 22.3 | 920 - 1000 |
| Extra heavy crude | < 10 | > 1000 |
Reserves Geometry
 | Flat |
| Dome |
 | Structural Trap |
Reserves Homogenuity
| Matrix |
| Fissured |
| Fractured |
| Faulted |
| Compartmentalized |
See Also
Petroleum Industry / Upstream / Subsurface E&P Disciplines / Petroleum Geology
References
q