1 PGE 312 - FALL 2009 Physical and Chemical Behavior of Petroleum Fluids I Test #2, 50 Minutes Closed Book Note: It will be in your best interest to attempt all the questions. Please budget your time accordingly. Problem 1 (25 points) In the space provided on the next page, sketch the Pressure-Temperature phase diagrams for the following hydrocarbon systems: a. Retrograde gas condensate b.Undersaturated black oil c.Wet gas d.Dry gas Mark the following features on your sketch using the symbols enclosed in the brackets. 1. Initial reservoir pressure and temperature (PRi, TR) 2. The critical point (C) 3. The bubble point curve (BP) 4. The dew point curve (DP) 5. Separator pressure and temperature (Psep, Tsep) 6. A few iso-volume lines
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