PE 453 EXAM1 FALL2007 - AL-FATAH UNIVERSITY Faculty Of...

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AL-FATAH UNIVERSITY Faculty Of Engineering Department Of Petroleum Engineering Applied Res. Eng. (PE-453) Mid-Term Exam. #1 ( Fall 2007) ______________________________________________________________________________ Q-1 Reference to the general form of MBE shown in next page: 1- Write down the Equation for (NP/N) for under saturated Res. Above Pb. 2- Write down the expression that represents Oil expansion drive 3- The cumulative produced Gas Oil Ratio can be reduced using: o ---------------------- o ---------------------- 4- What is the source of energy for Depletion Drive Reservoirs. Q-2 The following data is obtained for a volumetric oil reservoir: (i) – Reservoir volume from isopach map: Prod. Area Area Acre Interval (h) ft Ao 4300 0 A1 3170 10 A2 1970 10 A3 930 10 (ii)- Wells’s petrophysical data Well No. h (ft) Phi (%) Swi (%) E-1 28 21 35 E-2 20 17 28 E-3 35 25 33 (iii)- PVT data Press (psi). Boi (bbl/stb) Rso(scf/stb) Pi 2800 1.344 710 Pa 1100 1.13 90 1- CALCULATE: OOIP using volumetric method ( use thickness Wt Avg. ) 2- CALCULATE the ( RF ) by Bucly correlation using Sor = 0.37 and Pa = 1100 psi 3- What time is required to produce all field reserve, using constant prod. Rate of 6000 bopd.
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