ejercicio presion promedio 2

7/23/2019 Ejercicio Presion Promedio 2

1/29

Pws (psi)0 2840

0.00989 2872.354

0.01458 2909.071

0.02103 2954.428

0.02814 3001.9440.04192 3050.54

0.05035 3078.618

0.05983 3102.376

0.08447 3128.294

0.11545 3147.732

0.16125 3166.091

0.24814 3182.29

0.36183 3195.249

0.45683 3202.808

0.63368 3213.6070.82962 3223.326

1.12182 3229.806

1.50068 3239.525

2.00748 3243.844

2.62819 3252.884

3.40394 3266.523

4.17739 3276.242

4.9103 3285.961

5.77179 3295.68

t (hrs)

La tabla proporciona datos de restaurcentro de un !aci"iento cuadrado. #l

250 S%&'d(a antes del cierre para la p


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Datosr+ 0.25 ,t

- 50 ,t

porosidad 0.194

iscosidad 1.34 cp

& 1.44 /&'S%&p 234000 S%&

4051080 t,2

q 250 &

ct 1.94#05 1'psi

p+, 2840 psi

cin de presin. Se cree que el pozo est en elpozo produ$o 234000 S%& a una rata constante de

ueba. Las propiedades de la roca ! el )uido son*

sar el "todo de ietz el "tododirecto ! el "todo de %iab para

-allar la presin pro"edio del!aci"iento.


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t equi Pws (psi)0 2840

0.00989 0.00989 2872.354

0.01458 0.01457999 2909.071

0.02103 0.02102998 2954.428

0.02814 0.02813996 3001.944

0.04192 0.04191992 3050.54

0.05035 0.05034989 3078.618

0.05983 0.05982984 3102.376

0.08447 0.08446968 3128.294

0.11545 0.11544941 3147.732

0.16125 0.16124884 3166.091

0.24814 0.24813726 3182.29

0.36183 0.36182417 3195.249

0.45683 0.45682071 3202.8080.63368 0.63366213 3213.607

0.82962 0.82958936 3223.326

1.12182 1.12176398 3229.806

1.50068 1.50057976 3239.525

2.00748 2.00730062 3243.844

2.62819 2.62788255 3252.884

3.40394 3.40342428 3266.523

4.17739 4.17661332 3276.242

4.9103 4.90922692 3285.961

5.77179 5.77030741 3295.68

1

t (hrs)


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5/29

SOLUCIN

P (psi) t*P' (tp+t)/tr+ 0.25

32.354 2271386.24 - 50

69.071 109.6 1540741.74 porosidad 0.194

114.428 145.7 1068189.30 iscosidad 1.34

161.944 145.7 798295.24 & 1.44

210.54 143.4 535878.86 p 234000

238.618 145.2 446157.90 4051080

262.376 116.9 375464.81 q 250

288.294 68.4 265941.57 ct 1.94#05

307.732 58.7 194578.74 p+, 2840

326.091 47.4 139312.63

342.29 35.9 90530.54

355.249 33.2 62085.40 Tiepo !e pro!u""i#$

362.808 32.7

49174.65373.607 34.7 35451.07 tp 936

383.326 29.2 27078.46

389.806 27.5 20025.60 tp 22464

399.525 24.1 14970.21

403.844 24.6 11191.15 Perea%i&i!a!

412.884 43.3 8548.33

426.523 49.8 6600.41 " 69.20

436.242 54.6 5378.52

445.961 60.1 4575.87 22.67

455.68 3893.03

Dao22465.00


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1-r 3229

s 1.14


7/29

,t

,t

cp

/&'S%&

S%&

t,2

&

1'psi

psi

dias

-oras

psi'ciclo

"d

2 1:' 2: 1::( (( (

162.6 ;/


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psi

1.151< =1 : >lo?( _ / '@__ A2 :B3.2274 C


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100010000100000100000010000000

2600

2700

2800

2900

3000

3100

3200

3300

3400

Tiepo !e or$er

Pws (psi)

1-r 3229 psi


10/29


11/29

t (hrs) Pws (psi) P (psi)

0 28400.00989 2872.354 32.354

0.01458 2909.071 69.071

0.02103 2954.428 114.428

0.02814 3001.944 161.944

0.04192 3050.54 210.54

0.05035 3078.618 238.618

0.05983 3102.376 262.376

0.08447 3128.294 288.294

0.11545 3147.732 307.732

0.16125 3166.091 326.0910.24814 3182.29 342.29

0.36183 3195.249 355.249

0.45683 3202.808 362.808

0.63368 3213.607 373.607

0.82962 3223.326 383.326

1.12182 3229.806 389.806

1.50068 3239.525 399.525

2.00748 3243.844 403.844

2.62819 3252.884 412.884

3.40394 3266.523 426.5234.17739 3276.242 436.242

4.9103 3285.961 445.961

5.77179 3295.68 455.68


12/29


13/29

r+ 0.25 ,t

- 50 ,tporosidad 0.194

iscosidad 1.34 cp

& 1.44 /&'S%&

p 234000 S%&

4051080 t,2

q 250 &

ct 1.94#05 1'psi

p+, 2840 psi

Desarro&&

" 69.20 psi'ciclo

22.67 "d

0 -$"o$trar e& 1a"tor !e 1ora C2 (Co$o"i!o &a

30.8828

40 Ca&"u&ar e& tiepo !e "ierre !e Diet5

110.659339

60 a"er &a 7r89"a ,D

d$unto

3395 psi

D

pro"

tP

00,0=

Pt


14/29

:0 -;trapo&ar &a por"i


15/29

,eto!o !e DI-T.

1ora !e& 3to 3 &a u%i"

kC

Ac

A

t

02637


16/29

o ,D a


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0.001 0.01 0.1 1 10 100 1000

2500

2600

2700

2800

2900

3000

3100

3200

3300

3400

3500

Dt (hr)

Pws (psi)

pro" 3395psi


18/29

t (hrs) Pws (psi) P (psi)0 2840

0.00989 2872.354 32.3540.01458 2909.071 69.071

0.02103 2954.428 114.428

0.02814 3001.944 161.944

0.04192 3050.54 210.54

0.05035 3078.618 238.618

0.05983 3102.376 262.376

0.08447 3128.294 288.294

0.11545 3147.732 307.732

0.16125 3166.091 326.091

0.24814 3182.29 342.290.36183 3195.249 355.249

0.45683 3202.808 362.808

0.63368 3213.607 373.607

0.82962 3223.326 383.326

1.12182 3229.806 389.806

1.50068 3239.525 399.525

2.00748 3243.844 403.844

2.62819 3252.884 412.884

3.40394 3266.523 426.523

4.17739 3276.242 436.2424.9103 3285.961 445.961

5.77179 3295.68 455.68


19/29

r+ 0.25 ,t

- 50 ,t

porosidad 0.194iscosidad 1.34 cp

& 1.44 /&'S%&

p 234000 S%&

4051080 t,2

q 250 &

ct 1.94#05 1'psi

p+, 2840 psi

Desarro&&o

22.67 "d

s 1.14

30.8828

66>0?>?:psia

D

Ppro = pp w


20/29

+++ S

rC

A

kh

qB

wA

87,0368,0log6,162

2


21/29

t (hrs) t equi Pws (psi) P (psi)0 2840

0.01 0.01 2872.35 32.35

0.01 0.01 2909.07 69.070.02 0.02 2954.43 114.43

0.03 0.03 3001.94 161.94

0.04 0.04 3050.54 210.54

0.05 0.05 3078.62 238.62

0.06 0.06 3102.38 262.38

0.08 0.08 3128.29 288.29

0.12 0.12 3147.73 307.73

0.16 0.16 3166.09 326.09

0.25 0.25 3182.29 342.29

0.36 0.36 3195.25 355.250.46 0.46 3202.81 362.81

0.63 0.63 3213.61 373.61

0.83 0.83 3223.33 383.33

1.12 1.12 3229.81 389.81

1.50 1.50 3239.53 399.53

2.01 2.01 3243.84 403.84

2.63 2.63 3252.88 412.88

3.40 3.40 3266.52 426.52

4.18 4.18 3276.24 436.24

4.91 4.91 3285.96 445.965.77 5.77 3295.68 455.68


22/29


23/29

t*P'

Datos

109.64 r+ 0.25145.73 - 50

145.74 porosidad 0.194

143.37 iscosidad 1.34

145.24 & 1.44

116.86 p 234000

68.36 4051080

58.70 q 250

47.36 ct 1.94#05

35.86 p+, 2840

33.1632.66

34.69 So&u29.19

27.55

24.12 0 Perea%i&i!a! 3 !ao !e &a 1or24.56

43.35

49.80 tr 1 -r

54.55 @tFGH:r 30 psi

60.14 @G:r 400 psi#rr*512

22.7 "d

s 1.3

40 Presi#$ Proe!io

Seleccionar cualquier punto conenient

@tFGH:pss 37 psi

@G:pss 405 psi

La ecuacin da un esti"atio conIablse conoce de otras ,uentes. ebido a


24/29

iJ 3400 psi

D 30.8828

Ppro 66@60?@? psi

se tienen tie"pos de cierre cortos codel !aci"iento se "ane$a co"o si st@J3400 psi:


25/29

,t,t

cp

/&'S%&

S%&

t,2

&

1'psi

psi

"i#$

"i#$

Leidos del ?rIco Lo?Lo?

sobre la l(nea de estado pseudoestable ! leer*

e de pro" si el alor de la presin inicial del !aci"ientola carencia de in,or"acin acerca de i ! que ade"s


26/29

parados con el tie"po de produccin la presin iniciala ,uese i?ual a J la cual se -alla de un ?rIco Eorner

( )( ) ( )

= ln

'*

'*6,70

psspss

pss

iptp

pt

kh

qBpp


27/29


28/29

2

2458,

wArC

A


29/29

0.01 0.1 1 10

1.0

10.0

100.0

1000.0

Dolu"n E

Tiepo equia&e$te

DP (t*DP') psi

tr 1-r

F( H: 30 _

@G : 400 _

@G : 405 _

tr 1-r

F( H: 30 _

@G : 400 _

@G : 405 _

FG( H: 405 _

ejercicio presion promedio 2

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