PE 453 EXAM1 spring2008

# PE 453 EXAM1 spring2008 - AL-FATAH UNIVERSIY Faculty Of...

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AL-FATAH UNIVERSIY Faculty Of Engineering Department Of Petroleum Engineering Applied Res. Eng. (PE-453) Mid-Term Exam. #1 ( Spring 2008) ______________________________________________________________________________ Q-1 Reference to the general form of MBE shown on next page, 1- Write down the expression for (NP/N) Equation for volumetric undersaturated Res. Above Pb. 2- Write down the expression that represents: (1)- Oil expansion drive, (2)- Rock and connate water drive. 3- What are the main factors affecting the Recovery Factor. 4- The cumulative produced Gas Oil Ratio can be reduced using: o ---------------------- o ---------------------- 5- Gas solubility in crude oil depends on: 1………..2………..3……….. 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 5500 0 A1 4270 10 A2 2470 10 A3 1117 10 (ii)- Wells’s petrophysical data Well No. h (ft) Phi (%) Swi (%) 1 30 20 30 2 27 18 27 3 35 25 24 (iii)- PVT data P (psi). Boi (bbl/stb) Rso(scf/stb) Pi 2800 1.344 710 Pa 1100 1.13 90 1- CALCULATE: OOIP using volumetric method ( thickness Wt Avg. ) 2- CALCULATE the ( RF ) by Bucly correlation using Sor = 0.41 and Pa = 1100 psi 3-

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