@wikipedia
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| title | By uncertainty (SPE) |
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| 2P = Proven P90 + Possible P50 |
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| 1P = Proven P90 | Probable P50 | Possible P10 |
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| Proven developed (PD) | Proven Undeveloped (PUD) |
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| Conventional | Unconventional |
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| Gas | Condensate
| Oil | Heavy Oil | Shale Gas | Shale Oil | Bitumen |
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| Light crude | Medium oil | Heavy crude | Extra heavy crude |
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| kg/m3 | < 870 | 870 - 920 | 920 - 1000 | > 1000 |
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| °API | > 31.1 | 22.3 - 31.1 | 10 - 22.3 | < 10 |
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| Expand |
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| title | By reservoir homogeneity |
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| Matrix | Fissured | Fractured | Faulted | Compartmentalized |
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| Anticline | Stratigraphic | Normal Fault | Thrust Fault |
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See Also
Petroleum Industry / Upstream / Subsurface E&P Disciplines / Petroleum Geology
[ Russian Reserves Categories ]
References
