Hydrocarbon deposit with initial formation pressure below bubble point pressure and presence of Gas Cap.
Under depletion the petroleum reservoir tend to face gas cap expansion if reservoir pressure is declining.
Saturated oil reservoirs are classified into two categories:
| Gas Cap Oil Reservoir | Oil Rim Reservoir |
See Also
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Petroleum Industry / Upstream / Subsurface E&P Disciplines / Petroleum Geology / Petroleum Reservoir / Hydrocarbon reservoir / Oil Reservoir
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