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

Oil (MMBO) S. Tano 3-ax N. Tano total In Place Reserves Gas (Bscf) S. Tano 3-ax N. Tano total In Place Reserves In-place and recoverable oil & gas reserves, North and South Tano structures (from GNPC)

North Tano: Depth map (feet) : Intra Mid- Albian (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 Numerous seeps and shows onshore Seeps fed from offshore oil kitchens Seeps fed from offshore oil kitchens Onshore wells drilled without seismic control Onshore wells drilled without seismic control No wells in the offshore part of licence No wells in the offshore part of licence Thick sedimentary section Thick sedimentary section Promising features on offshore seismic lines Promising features on offshore seismic lines