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1. See the energy at TGS.com
© 2014 TGS-NOPEC Geophysical Company ASA. All rights reserved.
Northwest Africa Atlantic Margin
The Northwest Africa Atlantic Margin program is a joint venture between TGS and Dolphin Geophysical Ltd. It includes 17,764
km of 2D multi-client seismic, gravity and magnetic data located offshore Senegal, The Gambia, Guinea Bissau, Guinea and the
AGC area, including four newly defined AGB blocks, that is available now. The program is currently being extended northward
to include an additional 11,212 km offshore Mauritania. TGS is interpreting the data to provide the industry with a consistent
regional understanding of the area.
The program provides long offset regional new vintage multi-client data in an area with known hydrocarbon reservoirs and
available open acreage. The seismic data is processed through Pre-stack Time Migration, utilizing the latest technology and
benefiting from TGS’ extensive worldwide processing experience, including a recent 3D multi-client project in The Gambia.
The Northwest Africa Atlantic Margin gives the hydrocarbon explorer the opportunity to review a large region of known
hydrocarbon potential and the opportunity to use multi-discipline geophysical data that benefits from TGS’ experience and
utilization of latest technologies.

2. See the energy at TGS.com
© 2014 TGS-NOPEC Geophysical Company ASA. All rights reserved.
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Guinea
Gambia
Guinea-Bissau
Mauritania
W. Sahara
Senegal
Sierra
Leone
3500m
1500m
3500m
2500m
1000m
3000m
20
00
m
3000m
1500m
3000m
1000m
30
00m
2000m
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1000m
25
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m
35
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m
2000m
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m
2000m
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2000m
2000m
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20
00m
3000m
3000m
3500m
2000m
4000m
3500m
2500m
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2000m
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4000m
40
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m
2500m
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m
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3500m
4000m
3000m
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m
4000m
2500m
3500m
3500m
2000m
3500m
1500m1000m
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13°W
13°W
14°W
14°W
15°W
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16°W
16°W
17°W
17°W
18°W
18°W
19°W
19°W
20°W
20°W
21°W
21°W22°W
21°N
21°N
20°N
20°N
19°N
19°N
18°N
18°N
17°N
17°N
16°N
16°N
15°N
15°N
14°N
14°N
13°N
13°N
12°N
12°N
11°N
11°N
10°N
10°N
9°N
9°N
8°N
8°N
TGS-NOPEC has used its best efforts to produce this map free of errors, utilization of same shall be at the sole risk of the user.
TGS-NOPEC assumes no liability or responsibility for reliance placed thereon.
N:PublicGISArc Map DocumentsAfrica+Europe+ME_BasemapsNWAAM Basemap.mxd August 24, 2015
NORTHWEST AFRICA
Projection: WGS 1984 UTM Zone 28N
MULTI-CLIENT 2D & 3D SEISMIC SURVEYS
!( Oil Well
!( Gas Well
!( Other Well
^_ TGS Deepwater Borehole Data Available
TGS 2D Seismic Survey (NWAAM)
Bathymetry (Meters)
TGS Aeromag (Sierra Leone)
TGS 2D Seismic Surveys
TGS 3D Seismic Survey
0 20 40 60 8010
Kilometers
For more information, contact TGS at:
TGS
Tel (UK): +44 208 339 4200
Tel (US): +1 713 860 2100
Email: amesales@tgs.com
Dolphin
Tel: +44 (0) 7920 713 587
Email: ian.edwards@dolphingeo.com