| Gas Reservoir | ||
|---|---|---|
| Dry Gas Reservoir | STOIIP = 0 | |
| Gas Reservoir with Oil Rim | ( STGIIP - STOIIP • Rs ) * GOE > STOIIP | |
| Condensate Reservoir | ||
| Saturated Oil Reservoir | ||
| Saturated Oil with Gas Cap Reservoir | Pi <= Pb , GOC < Ztop | |
| Saturated Oil w/o Gas Cap Reservoir | Pi <= Pb , GOC > Ztop, ( STGIIP - STOIIP • Rs ) * GOE <= STOIIP | |
| Near Critical Oil Reservoir | ||
| Near Critical Very Low Gas Oil Reservoir | Pb < Pi < Pb + 1% , Rs <= 15 m3/m3 , Rv = 0 | |
| Near Critical Low Gas Oil Reservoir | Pb < Pi < Pb + 1% , 15 m3/m3 < Rs < 75 m3/m3 , Rv = 0 | |
| Near Critical Medium Gas Oil Reservoir | Pb < Pi < Pb + 1% , 75 m3/m3 < Rs < 150 m3/m3 , Rv = 0 | |
| Near Critical High Gas Oil Reservoir | Pb < Pi < Pb + 1% , 150 m3/m3 < Rs < 300 m3/m3 , Rv = 0 | |
| Near Critical Very High Gas Oil Reservoir | Pb < Pi < Pb + 1% , Rs >= 300 m3/m3 , Rv = 0 | |
| Near Critical Volatile Oil Reservoir | Pb < Pi < Pb + 1% , Rv > 0 | |
| Undersaturated Oil Reservoir | ||
| Undersaturated Very Low Gas Oil Reservoir | Pi > Pb , Rs <= 15 m3/m3 , Rv = 0 | |
| Undersaturated Low GasOil Reservoir | Pi > Pb , 15 m3/m3 < Rs < 75 m3/m3 , Rv = 0 | |
| Undersaturated Medium GasOil Reservoir | Pi > Pb , 75 m3/m3 < Rs < 150 m3/m3 , Rv = 0 | |
| Undersaturated High Gas Oil Reservoir | Pi > Pb , 150 m3/m3 < Rs < 300 m3/m3 , Rv = 0 | |
| Undersaturated Very High Gas Oil Reservoir | Pi > Pb , Rs >= 300 m3/m3 , Rv = 0 | |
| Undersaturated Volatile Oil Reservoir | Pi > Pb , Rv > 0 | |
| Dead Oil Reservoir |
See Also
Petroleum Industry / Upstream / Subsurface E&P Disciplines / Petroleum Geology
[ Hydrocarbon Initial In Place (HCIIP)] [ Hydrocarbon Reserves (HCR) ] [ Hydrocarbon Reserves Classification ]
[ Petroleum reservoir fluids ][ Hydrocarbon Reserves ]