Hydrocarbon deposit with initial pressure above bubble point pressure leading to the absence of the gas cap.


Undersaturated Oil Reservoirs are classified into two categories:

Black Oil Reservoir

Volatile Oil Reservoir


See Also


Petroleum Industry / Upstream / Subsurface E&P Disciplines / Petroleum Geology / Petroleum Reservoir / Hydrocarbon reservoir / Oil Reservoir

Hydrocarbon Reserves ][ Depletion ]