PR 4 - Electric Submersible pump - Teknik Produksi II ITSB

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Teknik Perminyakan ITSB. Tugas ESP

Transcript of PR 4 - Electric Submersible pump - Teknik Produksi II ITSB

  • 2.875

  • 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-1o 1.7 cp

    32 APIg 0.71T 180 FTpc 395 RPpc 667 psiSw 0.21rw 0.406 ft

    Qpump 1300 STB/dDpump 9800 ftDepth 10000 ft Psuc 200 psiID 2.875 in 0.001

    Pwh 100 114.7

    o

  • 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

    PduetoheightPduetofriction

  • Nre 29,549.92

    54.00 lbm/ft3 0.865

    1/(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

  • Find :

  • K 13 md

    h 115 ft

    Pi 4,350 psi qoPb 4,350 psiCo 1.20E-05 oCw 0.000003 psi-1 HpumpCf 0.0000031 psi-1 PsuctionCt 1.25E-05 psi-1 PpEo 1.7 cp PF

    32 API Pg 0.71 PdischargeT 180 F PTpc 395 R hPpc 667 psiSw Berdasar Grafik 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 in 0.001

    Pwh 100 psigGOR 190 scf/stb

    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 :

    o

  • 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

  • g) h 5200 ftPumping Head 97 feet

    97 ft/stageNs 54 stage

    h) qLd 8400 bbl/dHP 7 hp/stageHPs 375 hp

  • 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/stbDepth 9000 ft Pump Depth 8800o 0.898413ID 2.992 inWC 0Bo 1.2o 8g 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): 9,000Reservoir 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): 2.992Well head pressure (pwh): 150Required pump suction pressure (psuction): 200Desired production rate (qLd): 8,400

    Desired bottom hole pressure from IPR (pwfd) = 2,025Desired production rate at pump (qLd) = 10,080Input here the minimum capacity of selected pump (qLp): 10,000Minimum pump setting depth (Dpump) = 4,127Input pump setting depth (Dpump): 9,800

    Pump suction pressure (psuction) = 2,325Input pump discharge pressure (pdischarge): 3,728

  • Required pump pressure differential (Dp) = 1,403Required pumping head (h) = 3,241Input pumping head per stage of the selected pump (hs): 60.00Input horse power per stage of the selected pump (hps): 6.00Input efficiency of the selected pump (Ep): 0.72Required number of stages (Ns) = 54Total 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

  • psia ft H2O ft/stage hp

    hp

    No 1Sheet1No 2