Transcript Exposición Pellicer

Fracturas en pozos no convencionales
Presenter’s Name
Date
Experiencias en fracturas no convencionales
• 1,200,000 HHP
• 2011: aprox.10,000 fracturas
© 2009 Weatherford. All rights reserved.
1
Pozo Tipo - EEUU
© 2009 Weatherford. All rights reserved.
2
Plug & Perf
Etapas Fractura:
16
Distancia e/tapones (mts): 111
Clusters por etapa:
Distancia e/clusters (mts):
Total de Fracturas:
© 2009 Weatherford. All rights reserved.
8
12
128
3
Plug & perf- Esquema de disparos
Stage 1
1
2
3
4
5
6
7
8
Frac plug 1
top
bottom
13752
13714
13676
13638
13600
13562
13524
13486
Stage 13
top
bottom
1
12,287
12288
2
12,249
12250
3
12,211
12212
4
12,173
12174
5
12,135
12136
6
12,097
12098
7
12,059
12060
8
12,021
12022
Frac plug 13
11,971
11972
Stage 2
top
bottom
Stage 6
top
bottom
1
16,291
16,292
1
14,849
14850
2
16,259
16260
2
14,811
14812
3
16,227
16228
3
14,773
14774
4
16,195
16196
4
14,735
14736
5
16,163
16164
5
14,697
14698
6
16,131
16132
6
14,659
14660
7
16,099
16100
7
14,621
14622
8
16,067
16068
8
14,583
14584
Frac plug 2
16,017
Frac plug 6
14,533
Lower Eagleford is in close proximity to the Buda @ 16,000'
Stage 3
top
bottom
Stage 7
top
bottom
1
15,947
15948
1
14,483
14484
2
15,909
15910
2
14,445
14446
3
15,871
15872
3
14,407
14408
4
15,833
15834
4
14,369
14370
5
15,795
15796
5
14,331
14332
6
15,757
15758
6
14,293
14294
7
15,719
15720
7
14,255
14256
8
15,681
15682
8
14,217
14218
Frac plug 3
15,631
Frac plug 7
14,167
Stage 10
top
bottom
1
13,385
13386
2
13,347
13348
3
13,309
13310
4
13,271
13272
5
13,233
13234
6
13,195
13196
7
13,157
13158
8
13,119
13120
Frac plug 10
13,069
Stage 14
top
bottom
1
11,921
11922
2
11,883
11884
3
11,845
11846
4
11,807
11808
5
11,769
11770
6
11,731
11732
7
11,693
11694
8
11,655
11656
Frac plug 14
11,605
11606
Stage 11
top
bottom
1
13,019
13020
2
12,981
12982
3
12,943
12944
4
12,905
12906
5
12,867
12868
6
12,829
12830
7
12,791
12792
8
12,753
12754
Frac plug 11
12,703
Stage 15
top
bottom
1
11,555
11556
2
11,517
11518
3
11,479
11480
4
11,441
11442
5
11,403
11404
6
11,365
11366
7
11,327
11328
8
11,289
11290
Frac plug 15
11,239
11240
Stage 4
1
2
3
4
5
6
7
8
Frac plug 4
Stage 12
top
bottom
1
12,653
12654
2
12,615
12616
3
12,577
12578
4
12,539
12540
5
12,501
12502
6
12,463
12464
7
12,425
12426
8
12,387
12388
Frac plug 12
12,337
Stage 16
1
2
3
4
5
6
7
8
16,615
16,583
16,551
16,519
16,487
16,455
16,423
16,391
16,341
top
15,581
15,543
15,505
15,467
15,429
15,391
15,353
15,315
15,265
© 2009 Weatherford. All rights reserved.
bottom
16,616
16,584
16,552
16,520
16,488
16,456
16,424
16,392
bottom
15582
15544
15506
15468
15430
15392
15354
15316
Stage 5
top
bottom
1
15,215
15216
2
15,177
15178
3
15,139
15140
4
15,101
15102
5
15,063
15064
6
15,025
15026
7
14,987
14988
8
14,949
14950
Frac plug 5
14,899
Stage 8
top
bottom
1
14,117
14118
2
14,079
14080
3
14,041
14042
4
14,003
14004
5
13,965
13966
6
13,927
13928
7
13,889
13890
8
13,851
13852
Frac plug 8
13,801
Stage 9
1
2
3
4
5
6
7
8
Frac plug 9
top
13,751
13,713
13,675
13,637
13,599
13,561
13,523
13,485
13,435
top
11,189
11,159
11,129
11,099
11,069
11,039
11,009
10,979
Frac plug 1
frac plug 2
frac plug 3
frac plug 4
frac plug 5
frac plug 6
frac plug 7
frac plug 8
frac plug 9
frac plug 10
frac plug 11
frac plug 12
frac plug 13
frac plug 14
16,341
16,017
15,631
15,265
14,899
14,533
14,167
13,801
13,435
13,069
12,703
12,337
11,971
11,605
Distance
between frac
plugs
324
386
366
366
366
366
366
366
366
366
366
366
366
bottom
11190
11160
11130
11100
11070
11040
11010
10980
4
Plug & Perf – Secuencia de operaciones
© 2009 Weatherford. All rights reserved.
–
Calibrar y punzar 1era etapa con CT
–
Desmontar CT, montar set de fracturas y WL
–
Fracturar 1era Etapa
–
Pump Down WL con Frac plug y cañones
–
Sacar WL, cerrar válvula superior
–
Bombear top ball y fracturar 2da etapa
–
Plug & Perf etapas subsiguientes
–
Desmantelar set de fracturas, instalar CT
–
Moler tapones y producir pozo
–
Promedio: 4 etapas por día
5
Multizone Stimulation Technologies - JITP
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6
Multizone Stimulation Technologies – ACT Frac
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7
Sistemas de multi-fracturas Open Hole
Zone Select
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8
ZoneSelectTM – Multi-zone completion system
© 2009 Weatherford. All rights reserved.
10
Tapones de material compuesto
© 2009 Weatherford. All rights reserved.
12
Composite Plugs
Composite Pump Down Plugs
© 2009 Weatherford. All rights reserved.
13
Diseño Fractura – Slickwater
© 2009 Weatherford. All rights reserved.
14
Gráfica Fractura – Slickwater
S
S
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15
Diseño Fractura – Hibrida X-linked EagleFord
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16
Gráfica Fractura – hibrida X-linked EagleFord
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17
Tendencias
• Laterales mas largos
– Equipamiento (presiones, HHP, CT, wireline,
tapones, etc…)
– Mayor cantidad de fracturas
• Espaciamiento de clusters según perfiles (sweet spots)
• Mejor divergencia (menos clusters y mas etapas de
fractura)
• Mayor conductividad, geles croslinkeados
© 2009 Weatherford. All rights reserved.
18
Lay out Plug & perf – I
© 2009 Weatherford. All rights reserved.
(40.000 HHP)
19
Lay Out Plug & perf – II
© 2009 Weatherford. All rights reserved.
(56,000 HHP)
20
Lay Out Plug & perf – III
© 2009 Weatherford. All rights reserved.
(2 x 16,000 HHP)
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Lay out Plug & perf – IV
© 2009 Weatherford. All rights reserved.
(Locación seca)
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Fracturas en Argentina
• Lajas, Molles
– Fernandez Oro / Centenario
– Caudales de 40 a 50 bpm
– Bajas cargas poliméricas (hasta 18 lbs/1000 gal)
– Promedio 1500 sks
– Fracturas híbridas con gel lineal – gel activado
– Pozos verticales, tapones composite
– Una etapa cada 14 horas
© 2009 Weatherford. All rights reserved.
24
Tratamiento de fractura Lajas
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25
Carta bombeo fractura Lajas
© 2009 Weatherford. All rights reserved.
26
Fracturas en Vaca Muerta
– Plaza Huincul, pozos someros
– Fracturas híbridas con slick water – gel activado
– Hasta 60 BPM
– Pozos verticales
© 2009 Weatherford. All rights reserved.
27
Diseño de fractura Vaca Muerta
Stage
#
Stage Type
Wellbore Fluid
1
Water injection
2
Shut-in
3
Main frac pad
4
Main frac
slurry
5
Main frac
slurry
6
Main frac pad
7
8
9
10
11
12
13
14
15
16
17
© 2009 Weatherford. All rights reserved.
Elapse
d
Time
min:sec
Fluid
Type
Clean Prop
Volume Conc
(gal) (ppg)
Stage Slurry
Prop. Rate
(klbs) (bpm)
Proppant
Type
14:34
46:02
66:27
81:38
FRESH WATER
Slickwater
SHUT-IN
Slickwater
Slickwater
3582
13121
0
48459
37609
0.00
0.00
0.00
0.41
0.0
0.0
0.0
15.5
44.11
0.00
56.51
59.85
Sinter Lite 40/80
93:57
Slickwater
30532
0.68
20.7
60.40
Sinter Lite 40/80
96:39
Slickwater
6787
0.02
0.1
59.71
Main frac
111:29
slurry
Main frac
126:21
slurry
Main frac pad 128:59
Slickwater
36262
0.92
33.3
60.16
Slickwater
36005
1.27
45.7
60.32
Slickwater
6482
0.36
2.3
59.37
Main frac
136:24
slurry
Main frac
147:39
slurry
Main frac pad 151:28
Main frac
159:06
slurry
Main frac
166:08
slurry
Main frac
174:58
slurry
Main frac flush 176:35
Shut-in
2176:35
Slickwater
17727
1.52
27.0
60.08
Slickwater
28012
0.03
1.0
59.36
MagnumFrac H 20 9160
MagnumFrac H 20 18939
1.54
0.90
14.1
17.0
61.54
61.71
Sintered Bauxite
30/60
Sintered Bauxite
30/60
Sintered Bauxite
30/60
Sintered Bauxite
30/60
Sintered Bauxite
30/60
Sintered Bauxite
30/60
EconoProp 20/40
EconoProp 20/40
MagnumFrac H 20 16629
1.87
31.1
61.57
EconoProp 20/40
MagnumFrac H 20 19795
3.02
59.8
61.36
EconoProp 20/40
0.39
0.00
1.5
0.0
56.72
0.00
EconoProp 20/40
Slickwater
SHUT-IN
3755
0
28
Carta de bombeo Vaca Muerta
© 2009 Weatherford. All rights reserved.
29
Equipos de fracturas en Argentina
• Equipos en Argentina
–
seis bombas (12,000 hhp)
–
dos blenders (100 y 40 bpm), dos unidades de hidratación, dos sand feeders, tres sand
dumpers, dos data vans, dos manifolds, doce piletas, otros..
© 2009 Weatherford. All rights reserved.
30
Equipos de fracturas en Argentina
• Equipamiento en frontera
–
siete bombas (14,000 hhp), un blender (100 bpm), una data van, un sand feeder
–
un set de CT incluyendo bomba y nitrógeno
© 2009 Weatherford. All rights reserved.
31
Equipos de fracturas en Argentina
• Equipamiento en construcción
–
10,000 hhp, un manifold, una unidad de hidratación, una unidad dosificadora químicos C10
–
segundo set de CT
© 2009 Weatherford. All rights reserved.
32