Extracted text: Estimate the water influx constant (B) for the following bottom-water-drive reservoir. Boundary pressure (at WOC) and water influx history data are as follows. Time (days) Boundary (psia) Cumulative Influx (1000RB) 30 60 90 120 150 180 210 240 pressure 3000 2956 2917 2877 2844 2811 2791 2773 2755 Water | 0 79 282 570 930 1354 1810 | 2287 2786 The reservoir is circular and has an approximate radius of 2000 ft. Other pertinent aquifer data include r,→, R = 2000 ft , h = 200 ft, k H= 50 md, k,= 2 md, µ = 0.395 cp, ¢ = 0.1, and c, = 8×10-6 psi!.