migration deconvolution applied to pemex marine seismic data
DESCRIPTION
Migration Deconvolution Applied to Pemex Marine Seismic Data. Guoan Luo and Sergio Ch a vez-Perez * * Mexican Petroleum Institute (IMP). Feb 3, 2006. Outline. Objectives Migration Deconvolution PEMEX Data Ongoing and Future Work. Outline. Objectives Migration Deconvolution PEMEX Data - PowerPoint PPT PresentationTRANSCRIPT
![Page 1: Migration Deconvolution Applied to Pemex Marine Seismic Data](https://reader031.vdocument.in/reader031/viewer/2022012919/56814c0d550346895db90bef/html5/thumbnails/1.jpg)
Migration Deconvolution Migration Deconvolution Applied to Pemex Marine Applied to Pemex Marine
Seismic DataSeismic Data
Guoan Luo and Sergio ChGuoan Luo and Sergio Chaavez-Perezvez-Perez**
**Mexican Petroleum Institute (IMP)Mexican Petroleum Institute (IMP)
Feb 3, 2006Feb 3, 2006
![Page 2: Migration Deconvolution Applied to Pemex Marine Seismic Data](https://reader031.vdocument.in/reader031/viewer/2022012919/56814c0d550346895db90bef/html5/thumbnails/2.jpg)
OutlineOutline
• Objectives
• Migration Deconvolution
• PEMEX Data
• Ongoing and Future Work
![Page 3: Migration Deconvolution Applied to Pemex Marine Seismic Data](https://reader031.vdocument.in/reader031/viewer/2022012919/56814c0d550346895db90bef/html5/thumbnails/3.jpg)
OutlineOutline
• Objectives
• Migration Deconvolution
• PEMEX Data
• Ongoing and Future Work
![Page 4: Migration Deconvolution Applied to Pemex Marine Seismic Data](https://reader031.vdocument.in/reader031/viewer/2022012919/56814c0d550346895db90bef/html5/thumbnails/4.jpg)
ObjectivesObjectives
Apply MD to a rather complex marine data set
Speed MD up and make it a practical imaging tool
![Page 5: Migration Deconvolution Applied to Pemex Marine Seismic Data](https://reader031.vdocument.in/reader031/viewer/2022012919/56814c0d550346895db90bef/html5/thumbnails/5.jpg)
OutlineOutline
• Objectives
• Migration Deconvolution
• PEMEX Data
• Ongoing and Future Work
![Page 6: Migration Deconvolution Applied to Pemex Marine Seismic Data](https://reader031.vdocument.in/reader031/viewer/2022012919/56814c0d550346895db90bef/html5/thumbnails/6.jpg)
Migration image
Reflectivity
Migration
Modelingd=Lm
mmL LT
L d T mig
Г L LT
Migration Green’s Function
![Page 7: Migration Deconvolution Applied to Pemex Marine Seismic Data](https://reader031.vdocument.in/reader031/viewer/2022012919/56814c0d550346895db90bef/html5/thumbnails/7.jpg)
mm L LT -1
][ mig
Г L LT -1
][-1
L LT -1
][ L LT -1
][mL LT m
Migration deconvolution
mig
Deblurring Operator
![Page 8: Migration Deconvolution Applied to Pemex Marine Seismic Data](https://reader031.vdocument.in/reader031/viewer/2022012919/56814c0d550346895db90bef/html5/thumbnails/8.jpg)
OutlineOutline
• Objectives
• Migration Deconvolution
• PEMEX Data
• Ongoing and Future Work
![Page 9: Migration Deconvolution Applied to Pemex Marine Seismic Data](https://reader031.vdocument.in/reader031/viewer/2022012919/56814c0d550346895db90bef/html5/thumbnails/9.jpg)
20 m.
40 m.
60 m.
80 m.100 m.
200 m.300 m
.400 m
.500 m.
N
IB-102
YAXILTUN-1
ZAZIL HA-1
KAYAB-1 MOAN-1
KANTAAN-1
TABAY-1
TUNICH-101
CHACMOOL-1
CEEH-1
MALOOB-101KU-405
ZAAP-1
AKAL-2001
AKAL-1C-2011
TAKIN-1
NIX-1
KUKULKAN-1
TAKIN-101
LOC. HALACH-1
PECH-1
LOC. PETEN-1
LOC. MANAB-1
LOC.-LAKIN-1
1000 m
FRONTERA
NUEVOCAMPECHITO
CD. DEL CARMEN
TERMINOS LAGUNE
KAMBUL -1
BACAB-1
BOTS-1
LUM-1
SAM-1
POK-1EK BALAM-DL3
BALAM-1EK-101
Campeche BayArea
Location Map
Modified from Rojas et al
5 km
Mitra et al (2005)
![Page 10: Migration Deconvolution Applied to Pemex Marine Seismic Data](https://reader031.vdocument.in/reader031/viewer/2022012919/56814c0d550346895db90bef/html5/thumbnails/10.jpg)
Structural EvolutionMitra et al (2005)
![Page 11: Migration Deconvolution Applied to Pemex Marine Seismic Data](https://reader031.vdocument.in/reader031/viewer/2022012919/56814c0d550346895db90bef/html5/thumbnails/11.jpg)
Tim
e (s
)0
3.6
0 25X (km)
Migrated Section (inline 200)
![Page 12: Migration Deconvolution Applied to Pemex Marine Seismic Data](https://reader031.vdocument.in/reader031/viewer/2022012919/56814c0d550346895db90bef/html5/thumbnails/12.jpg)
Tim
e (s
)0
3.6
0 25X (km)
Migrated Section (inline 400)
![Page 13: Migration Deconvolution Applied to Pemex Marine Seismic Data](https://reader031.vdocument.in/reader031/viewer/2022012919/56814c0d550346895db90bef/html5/thumbnails/13.jpg)
Tim
e (s
)0
3.6
0 20Y (km)
Migrated Section (crossline 400)
![Page 14: Migration Deconvolution Applied to Pemex Marine Seismic Data](https://reader031.vdocument.in/reader031/viewer/2022012919/56814c0d550346895db90bef/html5/thumbnails/14.jpg)
Tim
e (s
)0
3.6
0 20Y (km)
Migrated Section (crossline 600)
![Page 15: Migration Deconvolution Applied to Pemex Marine Seismic Data](https://reader031.vdocument.in/reader031/viewer/2022012919/56814c0d550346895db90bef/html5/thumbnails/15.jpg)
OutlineOutline
• Objectives
• Migration Deconvolution
• PEMEX Data
• Ongoing and Future Work
![Page 16: Migration Deconvolution Applied to Pemex Marine Seismic Data](https://reader031.vdocument.in/reader031/viewer/2022012919/56814c0d550346895db90bef/html5/thumbnails/16.jpg)
XY
T
1001
801
1250
25mX25m 100mX100m
Data Cube Grid
Reference Point
![Page 17: Migration Deconvolution Applied to Pemex Marine Seismic Data](https://reader031.vdocument.in/reader031/viewer/2022012919/56814c0d550346895db90bef/html5/thumbnails/17.jpg)
Time slice at 1200 ms
Migration vs MD
X (km) 250 X (km) 250
Y (km
)0
20
MDMIG
![Page 18: Migration Deconvolution Applied to Pemex Marine Seismic Data](https://reader031.vdocument.in/reader031/viewer/2022012919/56814c0d550346895db90bef/html5/thumbnails/18.jpg)
X (km) 250 X (km) 250
Y (km
)0
20
Time slice at 1600 ms
Migration vs MD
MDMIG
![Page 19: Migration Deconvolution Applied to Pemex Marine Seismic Data](https://reader031.vdocument.in/reader031/viewer/2022012919/56814c0d550346895db90bef/html5/thumbnails/19.jpg)
X (km) 250 X (km) 250
Y (km
)0
20
Time slice at 2400 ms
Migration vs MD
MDMIG
![Page 20: Migration Deconvolution Applied to Pemex Marine Seismic Data](https://reader031.vdocument.in/reader031/viewer/2022012919/56814c0d550346895db90bef/html5/thumbnails/20.jpg)
0 25X (km)0 25X (km)
Tim
e (s
)0
3.6
MIG MDInline 200
Migration vs MD
![Page 21: Migration Deconvolution Applied to Pemex Marine Seismic Data](https://reader031.vdocument.in/reader031/viewer/2022012919/56814c0d550346895db90bef/html5/thumbnails/21.jpg)
0 25X (km)0 25X (km)
Tim
e (s
)0
3.6
MIG MDInline 400
Migration vs MD
![Page 22: Migration Deconvolution Applied to Pemex Marine Seismic Data](https://reader031.vdocument.in/reader031/viewer/2022012919/56814c0d550346895db90bef/html5/thumbnails/22.jpg)
MIG MDCrossline 400
Tim
e (s
)0
3.6
0 20Y (km)0 20Y (km)
Migration vs MD
![Page 23: Migration Deconvolution Applied to Pemex Marine Seismic Data](https://reader031.vdocument.in/reader031/viewer/2022012919/56814c0d550346895db90bef/html5/thumbnails/23.jpg)
MIG MDCrossline 600
Tim
e (s
)0
3.6
0 20Y (km)0 20Y (km)
Migration vs MD
![Page 24: Migration Deconvolution Applied to Pemex Marine Seismic Data](https://reader031.vdocument.in/reader031/viewer/2022012919/56814c0d550346895db90bef/html5/thumbnails/24.jpg)
MIG MDCrossline 200
Tim
e (s
)0
3.6
0 20Y (km)0 20Y (km)
Migration vs MD
![Page 25: Migration Deconvolution Applied to Pemex Marine Seismic Data](https://reader031.vdocument.in/reader031/viewer/2022012919/56814c0d550346895db90bef/html5/thumbnails/25.jpg)
MIG MDCrossline 800
0 20Y (km)0 20Y (km)
Tim
e (s
)0
3.6
Migration vs MD
![Page 26: Migration Deconvolution Applied to Pemex Marine Seismic Data](https://reader031.vdocument.in/reader031/viewer/2022012919/56814c0d550346895db90bef/html5/thumbnails/26.jpg)
Ongoing WorkOngoing WorkInitial 3D Poststack MD tests show
• Improved spatial resolution in time slices
• Improved structural definition in area of interest
![Page 27: Migration Deconvolution Applied to Pemex Marine Seismic Data](https://reader031.vdocument.in/reader031/viewer/2022012919/56814c0d550346895db90bef/html5/thumbnails/27.jpg)
Future WorkFuture Work
3D Prestack MD tests
Improve MD performance for complex velocity models
Make it a more practical imaging tool
![Page 28: Migration Deconvolution Applied to Pemex Marine Seismic Data](https://reader031.vdocument.in/reader031/viewer/2022012919/56814c0d550346895db90bef/html5/thumbnails/28.jpg)
AcknowledgementsAcknowledgements
2005 UTAM Sponsors
PEMEX (Petróleos Mexicanos)