Question: ( 3 ) Uploaded in Civil Engineering but I need help with reservoir engineering exercise. I will give thumbs up for anyone that provides solution

(3) Uploaded in Civil Engineering but I need help with reservoir engineering exercise. I will give thumbs up for anyone that provides solution quickly. A combination-drive reservoir contains 20 MMSTB of oil initially in place. The ratio of the original gascap volume to the original oil volume, i.e., m, is estimated as 0.25. The initial reservoir pressure is 3,000 psia at 150^F. The reservoir produced 2 MMSTB of oil, 2,200 MMscf of 0.8 specific gravity gas, and practically no water by the time the reservoir pressure dropped to 2,800 psi. The fluids B_0 and B_8 values at the two pressures are 1.58,1.48 rm^3/ m^3 and 0.00080,0.00092 rm^3/ m^3 respectively. R_5 drops from 1040 to 850 scf / stb. Water is considered to be incompressible. 1. Compute cumulative water influx 2. Estimate the primary driving indices at 2,800 psi
Please this is a petroleum reservoir question

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