PR 4 - Electric Submersible pump - Teknik Produksi II ITSB
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Transcript of PR 4 - Electric Submersible pump - Teknik Produksi II ITSB
Find : 1. Manual Calculation ESP 2. Pipesims Calculation ESP3. Make compare both of them
Manual PipesimsStages
HP
Manual CalculationK 13 mdh 115 ftPi 4,350 psiPb 4,350 psiCo 1.20E-05Cw 0.000003 psi-1Cf 0.0000031 psi-1Ct 1.25E-05 psi-1μo 1.7 cp
32 APIɤg 0.71T 180 FTpc 395 RPpc 667 psiSw Ø 0.21rw 0.406 ft
Qpump 1300 STB/dDpump 9800 ftDepth 10000 ft Psuc 200 psiID 2.875 inε 0.001
Pwh 100 114.7
ɤo
ASUMSI :re 1500 ftS 0Bo 1.39 1807 bopdPerhitungan PIPI 0.6 STB/d-psiQmax 1450.61 STB/d 2016.353 bopdPwf 2320.12 Psi
Hpump 4,342.38 ftPsuctESP 2,245.17 Psi
43.09 psi6202.93 psi
∆Pduetoheight
∆Pduetofriction
Nre 29,549.92
ρ 54.00 lbm/ft3
ɤ 0.8651/(Ff)^0.5 12.38 0.08
fF 0.01 D 0.240 ftu 2.60 ft/sPdn 6360.72 psi
4,115.55 psih 10982.51 ft
for a flowrate 1807 bopd Head for 100-stage is 5100 ft Hs 51 ft/stage Ns 215 stages HP 84 HPs 18089
Nre > 21000, turbulent flow
∆P
K 13 md
h 115 ft
Pi 4,350 psi qoPb 4,350 psiCo 1.20E-05 ɤoCw 0.000003 psi-1 HpumpCf 0.0000031 psi-1 PsuctionCt 1.25E-05 psi-1 ∆PpEμo 1.7 cp ∆PF
32 API ∆Pɤg 0.71 PdischargeT 180 F ∆PTpc 395 R hPpc 667 psiSw Berdasar GrafikØ 0.21 Head for 100-stage is rw 0.406 ft Hsre 1490 ft NsBo 1.2 bbl/STB HP
Qpump 1300 STB/d HpmaxDpump 9800 ft
H 10000 ft Psuc 200 psiID 2.875 inε 0.001
Pwh 100 psigGOR 190 scf/stb
ρ 54.00 lbm/ft3Nre 23,612 Nre > 2100 ; Turbulence
1/(Ff)^0.5 12.14 Ff 0.0068u 2.08
1. Manual Calculation ESP 2. Pipesims Calculation ESP3. Make compare both of them
Manual PipesimsStages 136 14
HP 108 7.8
For a rate of 1300 STB/d, Pwf :
ɤo
Manual Calculation
1400 psi
1203 STB/d 13001444 bbl/d 1560
0.8656798 ft
1325.05 psi3672.42 psi
28.04 psi3700.46 psi3815.16 psi2490.11 psi
6645 ft
4900 ft49 ft/stage
136 stages80 HP
108 HP
Find : 1. Manual Calculation ESP 2 . Excel Calculation ESP - Boyun3. Pipesims Calculation ESP4. Make compare among them
Manual Excel PipesimsStages 54 54 61
HP 375 324.1 445
a) qLd 8400 bbl/db) Pwfd 2460.10 psiac) Dpump 3242 ftd) Psuct 2382.302 psia
e) 4634 psia
f) ∆P 2251.698 psia
from Haggedorn-Brown.xls
ESPdesign-US Field Units.xlsDescription: This spreadsheet calculates parameters for ESP selection.Instruction: 1) Update parameter values in the Input Data and Solution sections; and 2) view result in the Solution section.Input Data:
GOR 50 scf/stb
Depth 9000 ft Pump Depth 8800
ɤo 0.898413
ID 2.992 in
WC 0Bo 1.2μo 8ɤg 0.75Tsurf 180 FTres 160 F Solution:
Ps 4050 psiaQmax 12000 stb/dQmax 14400 bbl/dQesp 7000 stb/dQesp 8400 bbl/d
WHP 150 psiaPsuc 220 psia
ESPdesign-US Field Units.xlsDescription: This spreadsheet calculates parameters for ESP selection.Instruction: 1) Update parameter values in the Input Data and Solution sections; and 2) view result in the Solution section.Input Data:
Reservoir depth (D): 9,000
Reservoir pressure (pbar): 4,050
AOF in Vogel equation for IPR (qmax): 12,000
Production fluid gravity (gL): 0.865
Formation volume factor of production liquid (BL): 1.20
Tubing inner diameter (dti): 2.992
Well head pressure (pwh): 150
Required pump suction pressure (psuction): 200
Desired production rate (qLd): 8,400
Desired bottom hole pressure from IPR (pwfd) = 2,025
Desired production rate at pump (qLd) = 10,080
Input here the minimum capacity of selected pump (qLp): 10,000
Minimum pump setting depth (Dpump) = 4,127
Input pump setting depth (Dpump): 9,800
Pump suction pressure (psuction) = 2,325
Input pump discharge pressure (pdischarge): 3,728
Required pump pressure differential (Dp) = 1,403
Required pumping head (h) = 3,241
Input pumping head per stage of the selected pump (hs): 60.00
Input horse power per stage of the selected pump (hps): 6.00
Input efficiency of the selected pump (Ep): 0.72
Required number of stages (Ns) = 54
Total motor power requirement (hpmotor) = 324.10
Instruction: 1) Update parameter values in the Input Data and Solution sections; and 2) view result in the Solution section.Input Data:
ft
psia
stb/day
1 for H2O
rb/stb
in.
psia
psia
stb/day
psia
bbl/day
bbl/day
ft
ft
psia
psia