Find and plot wellbore flowing pressure as a function of time for this well that has reached pseudo steady state, while being produced as a constant rate of 100 stb/day. the drainage area is a square with the well in the center data ? -0.1 5 k-20 md b-1.2 bbl/stb a-40 acres r. -0.25 ft p-4500 psia c-25x10° psi h-30 ft