PE 453 Final EXAM (Spring07)doc - AL-FATAH UNIVERSIY...

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AL-FATAH UNIVERSIY Faculty Of Engineering Department Of Petroleum Engineering Applied Reservoir Eng. (PE-453) Final Exam. ( Fall 2005) Time: 2 ½ hrs General Form of MBE : BwWp Bg Rsoi Rp Bt Np We p Swi cf cwSwi NBti m Bgi Bg Bgi NmBti Bti Bt N ] ) ( [ ) ( ] 1 [ 1 ) ( Q-1 (a) – Reference to general MBE, assuming volumetric undersaturated reservoir (We = Wp = 0) Derive the equation ) ( Bt Bti p Ce N NP (b)- Recovery Factor (RF), can be increased by reducing the Rp using the following: ………… ………… ………. (c) - If the voidage (fluid withdrawal) from the reservoir is slightly exceeds the water influx, the reservoir pressure will be ………………………………………… (d) - The main uncerttainities that involve in WE calculation are: ………… Q-2 The following data represents an oil reservoir with no gas cap & no water drive: Pressure OFVF (Bo) Solution GOR GFVF (Bg) (psi) bbl/STB SCF/STB CF/SCF 2500 1.2891 575 0.00601 2200 1.2980 575 0.00673 1800 1.2410 450 0.00791 1500 1.2095 350 0.00951 Pi = 2500 psi Current Press. =
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