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Question) A build up test was conducted on an oil welator of production of 5:24 MSTB Rowate of 624 ST. Based on previous et result, the well displays wolbore storage effect owing early time. Use the following data to analyze the boost Reservoir Data IN 1223 Party 20 OTROS 135 O Vicely op 13 Tot Competitie Wolbore Alfredo Cursis Procedo MST 320 1203 05 19 Presowe Buty Data baram to 017 72 12 14 10 31 212 31 2190 Build-up Time, hours 0 1.2 2.4 Sandface Pressure, psia 1348 2748 3017 3101 3134 3158 3172 3180 3190 4.8 Horner Time (th) log (th) #DIV/0! #DIV/0! 187.34 2.27 94.17 1.97 47.59 1.68 32.06 1.51 24.29 1.39 19.63 1.29 16.53 1.22 13.42 1.13 7.2 9.6 12 14.4 18 D Determine P. (At=1) from the plots. You may need to extrapolate the MTR line or use the trendline equations. m) Calculate the skin factor. n) Calculate the altered zone permeability (md). o) Calculate the pressure drop at the sandface due to the skin effect. p) Calculate the effective wellbore radius (ft). Question) A build up test was conducted on an oil welator of production of 5:24 MSTB Rowate of 624 ST. Based on previous et result, the well displays wolbore storage effect owing early time. Use the following data to analyze the boost Reservoir Data IN 1223 Party 20 OTROS 135 O Vicely op 13 Tot Competitie Wolbore Alfredo Cursis Procedo MST 320 1203 05 19 Presowe Buty Data baram to 017 72 12 14 10 31 212 31 2190 Build-up Time, hours 0 1.2 2.4 Sandface Pressure, psia 1348 2748 3017 3101 3134 3158 3172 3180 3190 4.8 Horner Time (th) log (th) #DIV/0! #DIV/0! 187.34 2.27 94.17 1.97 47.59 1.68 32.06 1.51 24.29 1.39 19.63 1.29 16.53 1.22 13.42 1.13 7.2 9.6 12 14.4 18 D Determine P. (At=1) from the plots. You may need to extrapolate the MTR line or use the trendline equations. m) Calculate the skin factor. n) Calculate the altered zone permeability (md). o) Calculate the pressure drop at the sandface due to the skin effect. p) Calculate the effective wellbore radius (ft)