Analisis Del Reservorio

EXPLOTACION DEL GAS NATURAL 1 ANALISIS DEL RESERVORIO RESERVORIO

Ejemplo 4.1.Se tiene una prueba isocronal y se esea conocer el potencial el reser!orio y el IPR para los "#toos si"pli$cao% &ones 'lount Gla(e y LIT) Datos: Pr = 1*+,,psi Tr = .,*/0 Tc = 2/0

Prof = 1+-**pies API = 2 S! = *%3

PM =   18,8305 SG =   0,742782152

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EXPLOTACION DEL GAS NATURAL . ANALISIS DEL RESERVORIO RESERVORIO

Método Simplificado.

Pr = 1047 10477 7

Presi resión ón Fon Fondo Pf psia

Difer ferencia nciall Presión!" Mmpsi!"

Cauda audall de Gas MMscfd

10477

0

7815

48,693304

4,817

6009

73,659448

6,296

4865

86,099304

7,377

3978

93,943045

8,08

6188

71,476185

6,281

Pr"e#a Isocro$al %&to'o S(mpl()ca'o 1***)**

1**)**

D(fere$c(al 'e Pres($ Ps( 

1*)**

1)**

*)1* 1

1*

1**

*a"'al 'e !as +%%pc',

n=

/1

/4

log q1 − log q 4 log(Pr  2 −  Pwf  21 ) − log(Pr  2 −  Pwf  2 4 )

P0f1

P0f4

Pr

$

c

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EXPLOTACION DEL GAS NATURAL ANALISIS DEL RESERVORIO RESERVORIO

Qg =C ( P  Pr Pres($ 6o$'o P0f ps(a 1*+,, ,41 3**2 +43 -2,4 3144 *** .** 1*** *

D(fere$c( al Pres($ %mps( 1*2%,3, .2 +4%32--* + ,-%32++ 4 43%*22-* + 2-%2+-*+  ,1%+,314  4+%,3,. 2 1*-%1, .2 1*4%,3, .2 1*2%,3, .2

2

 Pwf 

−

2

)

n

*a"'al 'e as %%scf'

*a"'al 'e as %%scf' IPR *

+%41,

+%41-44-3.

3%.23

3%33,+,*34

,%-,,

,%-4,23-1-

4%*4

4%*,+.+12-+

3%.41

3%11143*3 ,%++34,.3+ 4%,111,1+1 2%*311.34,, 2%1.33.,+,

Nos pone"os !alores arbitrarios 5asta 6ue lle7ue al a7ota"iento total para ar"ar nuestro IPR y eter"inar el AO082)1-99pc)

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EXPLOTACION DEL GAS NATURAL + ANALISIS DEL RESERVORIO RESERVORIO

IPR 1.*** 1**** 4*** Pf0 ps(

3*** +*** .*** * *

1

.

-

+



3

,

/! %%scf'

%&to'o 'e 7o$es 8lo"$t la9e Pr = 10477

Caudal de Gas MMscfd

Mmpsi"#MMscfd

48,693304

4,817

10,11

6009

73,659448

6,296

11,7

4865

86,099304

7,377

11,67

3978

93,943045

8,08

11,63

6188

71,476185

6,281

11,38

Presión Fon Fondo

Diferencial

Pf

Presión"

psia

Mmpsi"

10477

109,767529

7815

DP" # $

4

2

1* 1*

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EXPLOTACION DEL GAS NATURAL  ANALISIS DEL RESERVORIO RESERVORIO

%&to'o 'e 8lo"$t la9e 1+)** 1.)**

:; 4)12 R? 8 *),

1*)** 4)** Dp/! +Ps(%%pc', +Ps(%%pc',

3)** +)** .)** *)** *

1

.

-

+



3

,

4

*a"'al 'e as +%%pc',

De acuero a los !alores obtenios por la 7r@$ca y el auste lineal A 8 intersecciBn con ee  ;a caual 8 *=8*%+3,2 8 = Peniente = Peniente ;nice e turbulencia=84%1421  PR 2

 Aq +  Bq 2 q

=

2

 Pw f   =  Aq +  Bq −  Pwf  

−  A ±

Pres($ 6o$'o P0f ps(a 1*+,, 2+.2 4-4. 3.43 .-2

−

( PR 2  A 2

−

2 2

−  Pwf  

4 B ( PR 2

)=0 2

 Pw f   −  Pwf  

)

2 B

*a"'al 'e as %%scf' IPR * .%.-%2 3%.3 ,%*2

2

1*

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EXPLOTACION DEL GAS NATURAL 3 ANALISIS DEL RESERVORIO RESERVORIO

 IPR 1* 2 4 , 3 P0f ps(a

 + . 1 * *

.***

+***

3***

4***

1****

/! %%scf'

Coe$ciente La"inar −

1424T   A =

Coe$ciente Turbulencia

−

 µ Z    0.472re   + S    ln

kh

 

rw

 B =

 

3,161 X 10

−12

−

βγ    g  ZT 

rwh 2

A8 A>';AO0=

Recome$'ac($: E