Tano Basin - Onshore to Shallow Offshore

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Tano Basin - Onshore to Shallow Offshore
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Current licensing map.
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(No Transcript)
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Generalised stratigraphy of the Tano Basin
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Location of wells drilled on the shelf and
onshore of the Tano Basin
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Recent discoveries and prospects, offshore Tano
Basin
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Diagrammatic representation of plays in the Tano
Basin
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Onshore Ghancan well correlations across the
northeastern Tano basin margin
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In-place and recoverable oil gas reserves,
North and South Tano structures (from GNPC)
Oil (MMBO) S. Tano 3-ax N. Tano total
In Place 71.3 - 53.6 124.9
Reserves 14.3 - 1.1 15.4
Gas (Bscf) S. Tano 3-ax N. Tano total
In Place 44.2 138.0 102.0 284.2
Reserves 18.0 102.0 73.0 193.0
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North Tano Depth map (feet) Intra Mid-Albian
(after Phillips Petroleum)
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Geoseismic section from the North Tano field to
the northern basin margin (after GNPC)
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Location map of seismic lines available to the
company
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Onshore seismic line GNPC87-5 north from Bonyere
showing down-to-the-basin marginal faults
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Offshore dip seismic line ARTB88-17 (most of
which lies within the licence area), showing
faulting and a variety of stratigraphic features
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Tano Basin Licence

• Numerous seeps and shows onshore
• Seeps fed from offshore oil kitchens
• Onshore wells drilled without seismic control
• No wells in the offshore part of licence
• Thick sedimentary section
• Promising features on offshore seismic lines