Tano Basin - Onshore to
Shallow Offshore
Current licensing
map.
Generalised
stratigraphy
of the Tano
Basin
Location of wells drilled on the shelf and onshore of the
Tano Basin
Recent discoveries and prospects, offshore Tano Basin
Diagrammatic representation of plays in the Tano Basin
Onshore Ghancan well correlations across the
northeastern Tano basin margin
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
North Tano: Depth map (feet) : Intra MidAlbian (after Phillips Petroleum)
Geoseismic section from the North Tano field to
the northern basin margin (after GNPC)
Location map of seismic lines available to the company
Onshore seismic line GNPC87-5 north from
Bonyere showing down-to-the-basin marginal faults
Offshore dip seismic line ARTB88-17 (most of which lies within the
licence area), showing faulting and a variety of stratigraphic features
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