Bottomholemodaloil Pc

BottomHoleNodalOil.xls Description: This spreadsheet calculates operating point using Poettmann-Carpenter Method with bottom Instruction: 1) Select a unit system; 2) Update parameter values in the Input Data section; 3) Click "Soluti View result in the Result section. Input Data:

Reservoir pressure: Tubing ID:

1

3000 psia 1.66 in

ro uc uc v y n ex ex a ov ove u e p Producing gas-liquid ratio (GLR): Water cut (WC): Oil gravity: Water specific gravity: Gas specific gravity: N2 content in gas: CO2 content in gas: H2S content in gas: Formation volume factor of oil: Wellhead temperature: Tubing shoe depth: Bottom hole temperature:

1000 25 30 1.05 0.65 0 0 0 1.2 100 5000 150

s -p s scf/stb % o  API 1 for fresh 1 for air  mole fract mole fract mole fract rb/stb o F ft o F

Oil specific gravity = Mass associated with 1 stb of oil Solution gas ratio at wellhead = Oil formation volume factor at well Volume associated with 1 stb of o Fluid density at wellhead = Solution gas-oil ratio at bottom ho

0.88 495.66 78.42 1.04 45.12 10.99 339.39

1 for fresh lb scf/stb rb/stb cf lb/cf scf/stb

20.4 0.0422 . 23 180 25 0.9 1.05 0.65 0 0 0 1.2 39 1525 65

0.88 224.54 13.97 1.04 1.28 175.60 60.44

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Oil formation volume factor at bott Volume associated with 1 stb of o Fluid density at bottom hole = The average fluid density = Inertial force (D rv) = Friction factor = Friction term = Error in liquid rate = Bottom hole pressure = Liquid production rate =

1.18 16.56 29.94 20.46 44.63 0.0084 390.50 0.00 1873 1,127

 D r v  

 f m  4  101.444

 D  2.5 log  Dr v 

stb/d psia stb/d

 

    g   0.5    1.25t   Bo  0.971  0.000147  R s       o   

5 1.4737  10   Mqo

2

 p wf     p wh    r  

1.2048

V m  5.615( Bo  WOR  Bw )  (GO GOR R  Rs )

(lb/cf)

1.18 0.47 478.58 327.09 66.31 0.01 99785 0.00 12.74 179  

 M   350.17(  o  WOR   w )  GO GOR R  r air   g

  p 10 0.0125 API    R s    g  0.00091t   18 10  

rb/stb cf lb/cf lb/cf lb/day-ft

14.7  p

1.175

T  520 1z.0 

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hole node. on" button; and 4)

0 MPa

3000 psia

m

1.66 in ps a 1 stb/d-psi

a sm

3

sm /m

a

3

1000 scf/bbl 281.7159409 bbl/d water 

% 1 for fresh water 

1333.33 scf/stb 0.33333 bbl/stb 30

o

 API

1 for fresh water 

1.05 1 for fresh water 

1 for air 

0.65 1 for air 

mole fraction

0 mole fraction

mole fraction

0 mole fraction

mole fraction

0 mole fraction

3

rm /sm

3

o

C

m o

C

1 for fresh water  kg 3 3 sm /m 3 3 rm /m 3 m

1.2 rb/stb 100

o

F

5000 ft 150

o

F

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3

3

rm /m 3 m 3 kg/m 3 kg/m kg/day-m 2

(kg/cm) 3 sm /d MPa 3 sm /d

1,127 bbl/d liquid 1,127

k     H 

  r    144

q   J   p   pwf   *

845.148 stb/d oil

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0.13833333

Gas rate =

ft

1126864 scf/d

Z-factor Calculations:

Ppc = Tpc =

670.5 psia 373.355

o

R

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Ppr =

0.745712

2.79364092

Tpr =

1.499913

1.63383375

 A =

0.417544

0.48521254

B=

0.241867

1.05943151

C=

0.075659

0.06377348

D=

0.968267

0.99293848

z=

0.931813

0.84053747