PNG 301
Introduction to Petroleum and Natural Gas Engineering

2.13: Dry Gas Reservoirs

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Dry gas reservoirs are gaseous hydrocarbon systems that reside in reservoirs with the original temperatures above the cricondentherm. In addition, the surface conditions are also greater than the cricondentherm. This is shown in Figure 2.18. Under these conditions, as the pressure in the reservoir is reduced due to production, both the fluids in the reservoir and the fluids in the production system remain a single gaseous phase.

phase diagram and cross sections of a dry gas reservoir described in the text below
Figure 2.18: Dry Gas Reservoirs
Source: Gregory King