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West Africa's new oil province
Fresh ideas on west Africa's geology could open up a new oil province stretching across four countries, Martin Quinlan writes
KOSMOS Energy discovered the Jubilee oilfield in an unpromising deep-water area off western Ghana in June 2007. This summer, Anadarko Petroleum – which had worked closely with Kosmos, a small US firm, on the Jubilee well – discovered hydrocarbons with the first deep-water well drilled in equally unpromising Sierra Leone. Linking the two finds, more than 1,000 km apart, is a new interpretation of west Africa's petroleum geology. The discoveries raise the prospect of a new oil province in the west African transform margin – an area between two tectonic plates – which extends nearly 1,500 km along the coast from eastern Ghana, across Ivory Coast and Liberia, and to the west of Sierra Leone (see Figure 1). In view of the size of the area and the ...Click here to continue reading West Africa's new oil province
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