1. Given the following data on an oil reservoir: Oil Aquifer Geometry circle semi-circle Encroachment angle — 180

          1. Given the following data on an oil reservoir:

Oil Aquifer
Geometry circle semi-circle
Encroachment angle — 180

Added by Jared B.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

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Solved by Expert Nishant Kumar

Step 1

- Radius of the oil reservoir: \( R = 4000 \) ft - Porosity of the aquifer: \( \phi = 0.20 \) - Thickness of the aquifer: \( h = 30 \) ft - Permeability of the aquifer: \( k = 50 \) md - Viscosity of the aquifer: \( \mu = 0.36 \) cp - Original pressure: \( P_i = Show more…

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Given the following data on an oil reservoir: Aquifer 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 circle semi-circle 180 80,000 unsteady-state 0.20 30 50 0.36 3800 4000 semi-steady-state 200 1.2 3800 3600 1.300 1.303 3000 1.04 1.04 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 3.5 x 10-6 psi-1, respectively. Calculate the original oil-in-place.