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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. Location Map. Slide 1. Discovery History. Slide 2.

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A Review of the Geology and Petroleum Systems in the Eastern Gulf of Guinea, West Africa

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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


Location Map

Slide 1


Discovery History

Slide 2


Eastern

Gulf of Guinea

Hydrocarbon

Occurrences

Slide 3


A

F

R

I

C

A

S

O

U

T

H

A

M

E

R

I

C

A

Early Cretaceous Reconstruction

Slide 4


South

Atlantic

Mesozoic

Basins

Slide 5


Regional Tectono-stratigraphy

Slide 6


Cross-section of Margin Evolution - 1

Slide 7


Cross-section of Margin Evolution - 2

Slide 8


Eastern

Gulf of Guinea

Geological

Setting

Slide 9


Rio Muni Basin

Gabon Basin

Petroleum

Systems

Slide 10


Douala/Kribi-Campo Basin

Niger Delta

Petroleum

Systems

Slide 11


Eastern

Gulf of Guinea

Petroleum

Systems

Slide 12


Rio Muni-Cameroon Cross-section

Slide 13


Northern Rio Muni, Seismic Section

Slide S1


Rio Muni, Seismic Section

Slide S2


Northern Equatorial Guinea - Northern Cameroon

Cross-section

Slide 14


North-west

South-east

Offshore Bioko, Seismic Section

Slide S5


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


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


Eastern Gulf

of Guinea

Open Deep Water

Acreage, 2001

Slide 16


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