You have the following data on an oil reservoir Oil Aquifer Semicircular Geometry Encroachment angle Radius, ft Flow regime Porosity Thickness, ft Permeability, md Viscosity, cp Original pressure Current pressure Original volume factor Current volume factor Bubble point pressure Circular 180 80,000 4000 Semisteady state Unsteady state 0.20 30 200 1.2 50 0.36 3800 3800 3600 1.300 1.04 1.303 1.04 3000 The field has been on production for 1120 days and has produced 800,000 STB of oil and 60,000 STB of water. Water and formation compressibilities are estimated to be 3 x 10-6 and 3 x3 10-6 psi 21, respectively. Calculate the original oil-in-place.