New interpretation reveals potential in onshore Algoa basin, South Africa

The Algoa basin is one of several Mesozoic sedimentary basins located along the southeastern margin of South Africa. The basin is of rift origin and is subdivided into three half grabens, the offshore Port Elizabeth and Uitenhage troughs and the onshore Sundays River Trough1 (Fig. 1). Click here to enlarge imageThis article highlights the results of a recent reappraisal of the petroleum geology of the South African onshore Algoa basin. Exploration, initiated in the 1960s, has focused on a trend of structural closures and has involved the drilling of 24 wells in the onshore basin.In spite of encouraging hydrocarbon shows in some of the 9 offshore and 24 onshore wells drilled, no commercia...

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