Question 3 Co2 Po2 C4 A Steady State Flow Test Was Conducted On A Core Sample 1 In Diameter And 2 Long The Table 1 (45.5 KiB) Viewed 31 times
Question 3 Co2 Po2 C4 A Steady State Flow Test Was Conducted On A Core Sample 1 In Diameter And 2 Long The Table 2 (44.89 KiB) Viewed 31 times
QUESTION 3 (CO2, PO2, C4) A steady-state flow test was conducted on a core sample 1" in diameter and 2" long. The table below lists the total pressure drop, fluid flowrates and saturation data for each step of the test. Given, oil and water viscosities are 2.5 cp and 1.1 cp, respectively. AP (psi) 3.900 5.200 4.900 3.700 3.500 3.200 3.800 3.700 qo (cm3/min) 0.000 0.000 0.023 0.089 0.573 1.680 3.570 4.570 qw (cm3/min) 3.560 1.170 0.207 0.004 0.000 Sw (%) 70.000 60.000 40.000 30.000 20.000 12.300 7.890 5.050 100.000 80.000 75.000
a) Generate the effective permeability data (Ko and Kw) and show one working example calculation at Sw=70%. b) Estimate the absolute permeability of the sample. Justify your answer. c) Generate the two-phase relative permeability data using Pirson method (assume drainage process of well-sorted homogeneous rock with Swc @ 27%). d) Generate the relative permeability ratio and plot the Kro/Krw vs Sw on a semi log scale. Determine and coefficients of the following analytical form: - Kro/krw=aebsw (30 marks)
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