1. An oil well is producing under steady-state flow conditions at 300 STB/day. The bottom-hole flowing pressure is recorded at 2,500 psi. Given: h = 23 ft I k = 50 md Bo=1.4 bbl/STB r = 660 ft Mo = 2.3 cp s = 0.5 Tw= 0.25 ft Calculate: a. Reservoir pressure b. AOF c. Productivity index