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2011FinalExamStudyQs

# 2011FinalExamStudyQs - Study Questions(refer to the posted...

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Study Questions (refer to the posted final exam reference sheet for conversions and equations – I just updated it. It should have everything you need.) 1) Based on the procedure used in the lecture on May 4, calculate the pump power needed and the annual fuel consumption per well (assume gasoline and 75% efficiency) to inject power plant generated CO 2 given the following data: a. gasoline – 19000 BTU/lb; 2.3 ton CO 2 emission per ton of gasoline burned b. annual power plant emissions – 50x10 6 tons CO 2 per year c. reservoir: r e =5280 ft, r w =0.5 ft, k=10 md, h=30 ft, depth=7000 ft, P=-1000 psi (injection), P e =normal pore pressure for the depth, CO2 =640kg/m 3 , μ CO2 =0.05cp 2) If you were allowed to hydraulically fracture your injection well, what stimulation factor (J/J o ) could you get for the above reservoir? Don’t forget to use effective stress to find your proppant permeability. a. assume a frac width of 0.5 inches and 20/40 Bauxite, L/r e =0.5, S hmin =0.7*S v b. do same calculation with 20/40 Brady Sand instead of Bauxite

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2011FinalExamStudyQs - Study Questions(refer to the posted...

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