A Review of the Geology

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A Review of the Geology and Petroleum Systems in
the Eastern Gulf of Guinea, West Africa
Richard Bray Exploration Consultants Limited
Exploration Consultants Limited, Highlands Farm,
Greys Road, Henley-on-Thames, Oxfordshire, England
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Location Map
Slide 1
3
Discovery History
Slide 2
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Eastern Gulf of Guinea Hydrocarbon Occurrences
Slide 3
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Early Cretaceous Reconstruction
Slide 4
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South Atlantic Mesozoic Basins
Slide 5
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Regional Tectono-stratigraphy
Slide 6
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Cross-section of Margin Evolution - 1
Slide 7
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Cross-section of Margin Evolution - 2
Slide 8
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Eastern Gulf of Guinea Geological Setting
Slide 9
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Rio Muni Basin
Gabon Basin
Petroleum Systems
Slide 10
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Douala/Kribi-Campo Basin
Niger Delta
Petroleum Systems
Slide 11
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Eastern Gulf of Guinea Petroleum Systems
Slide 12
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Rio Muni-Cameroon Cross-section
Slide 13
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Northern Rio Muni, Seismic Section
Slide S1
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Rio Muni, Seismic Section
Slide S2
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Northern Equatorial Guinea - Northern
Cameroon Cross-section
Slide 14
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North-west
South-east
Offshore Bioko, Seismic Section
Slide S5
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ALBA FM.
WOURI FM.
QUA IBOE FM. PLIOCENE
SOUELLABA FM.
Base Pliocene
ISONGO FM. (MIOCENE)
LOGBABA- LOGBADJECK FM.
Base Miocene
MUNDECK FM.
Senonian Unc.
Base Tertiary?
Regional Seismic Section
Slide S6
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KEYS TO THE WEST AFRICA DEEP WATER PLAY

• Abundant, rich, oil-prone source rocks
• Thick, clean turbidite sands
• Structural stratigraphic traps
• Late/ongoing hydrocarbon generation

Slide 15
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Eastern Gulf of Guinea Open Deep Water Acreage,
2001
Slide 16