Test2Spring2010 - PGE 312 - SPRING 2010 Physical and...

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PGE 312 - SPRING 2010 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 (40 points) Figure 1 shows the Pressure – Temperature diagrams for five hydrocarbon fluids labeled A, B, C, D and E. Also shown on the figure are the initial reservoir pressure (P R ), the reservoir temperature (T R ), the critical point for each fluid and the separator pressure and temperature. a. Classify the hydrocarbon fluids. A. B. C. D. E. Figure 1. P-T diagrams for five hydrocarbon fluids. 1
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b. Table 1 shows the compositions of four of the five hydrocarbon fluids of Figure 1 arranged in no particular order. For reference purposes, the fluids have been labeled as Fluid 1, Fluid 2, Fluid 3 and Fluid 4. Determine which fluid in Table 1 belongs to which P-T diagram in Figure 1 and fill out the table below. Note: Because of the limited time for the test, do not spend time to justify your classification on this occasion. Just fill out the table. P-T Diagram Fluid # A B C D E Table 1. Compositions of four hydrocarbon fluids (mole %) Component Fluid 1 Fluid 2 Fluid 3 Fluid 4 N 2 0.29 0.16 6.25 0.12 CO 2 1.72 0.91 2.34 1.50 C 1 79.14 36.47 81.13 66.59 C 2 7.48 9.67 7.24 5.31 C 3 3.29 6.95 2.35 4.22 iC 4 0.51 1.44 0.22 0.85 nC 4 1.25 3.93 0.35 1.76 iC 5 0.36 1.44 0.09 0.67 nC 5 0.55 1.41 0.03 1.12 C 6 0.61 4.33 1.22 C 7+ 4.80 33.29 16.64 Total 100.00 100.00 100.00 100.00 2
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Problem 2 (10 points)
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Test2Spring2010 - PGE 312 - SPRING 2010 Physical and...

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