reservoir engineering

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(b) Evaluate the water influx at the end of 1, 2, and 5 years into a circular reservoir with an aquifer of infinite extent, i.e.,IcD=0. The initial and current reservoir pressures are 2500 and 2490 psi, respectively. Table Q4(b) shows the reservoir and aquifer system properties. Table Q4(b) Reservoir Aquifer Radius, ft 2000 h, ft 20 22.7 k, md 50 100 Porosity % 15 20 Water viscosity, cp 0.2 0.8 cw, psi- 1 x 10-6 0.7x 10-6 cf, psi- 2 x 10-6 0.3 x 10-6 (10 marks)