Natural Gas Reservoir with initial formation temperature above Cricondentherm and builds condensate at separator (inside Vapour Liquid Envelope, see Fig. 1).
Fig. 1. Production path of the Wet Gas Reservoir on the Phase Equilibrium Diagram. The downward solid black arrow shows a reservoir pressure depletion path. The downward grey dash arrow shows a wellbore lift pressure drop path. |
Table 1 – Example of Wet Gas composition (in mol % )
CO2 | 1.41 |
N2 | 0.25 |
C1 | 92.46 |
C2 | 3.18 |
C3 | 1.01 |
i C4 | 0.28 |
n C4 | 0.24 |
i C5 | 0.13 |
n C5 | 0.08 |
C6s | 0.14 |
C7+ | 0.82 |
Rs (SCF/STB) | 69,000 |
Rv (STB/MMSCF) | 15 |
API gravity | 65.0 |
M7+ | 132 |
γ7+ | 0.750 |
Petroleum Industry / Upstream / Subsurface E&P Disciplines / Petroleum Geology / Petroleum Reservoir / Hydrocarbon reservoir / Natural Gas Reservoir
[ Hydrocarbon Reserves ][ Depletion ]
William D. Mc-Cain, Jr.; "The Properties of Petroleum Fluids"; second edition; 1990; Pennwell publishing company. ISBN10-9781593703738 |