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The results for the Cairn Energy operated FAN South-1 well in the South Fan prospect offshore Senegal are in. According to Cairn, the well encountered hydrocarbon bearing reservoir (Lower Cretaceous) and oil samples were obtained. Preliminary analysis indicates 31° API oil quality. Further work is being undertaken to integrate this discovery with FAN-1 to establish the potential commerciality of the deep water, basinal resource seen in these two wells.

FAN South-1 is located in ~2,175 meters water depth, in the Sangomar Deep Offshore block. The well reached total depth of 5,343meters, targeting dual prospects: an Upper Cretaceous stacked multi-layer channelized turbidite fan prospect, and a Lower Cretaceous base of slope turbidite fan prospect, similar to the FAN-1 oil discovery in 2014. The FAN South-1 is being plugged and abandoned.

The rig is now moving location to commence operations at the SNE North exploration prospect, which is on trend with the highly successful SNE field. SNE North is targeting a prospective volume of more than 80 million barrels of total resource in multiple objectives. The well is located inabout 900meters water depth and the projected total depth of the well is 2,800meters.

Simon Thomson, CEO of Cairn Energy PLC said: “FAN South is our tenth well in Senegal in the last three years and our second well to encounter oil in the deep portion of the basin, adjacent to the FAN discovery.The results of FAN South will be integrated with FAN-1 and SNE to help the joint venture’s ongoing evaluation of the large, deep water basin potential offshore Senegal. As planning for the phased development of the SNE field moves ahead, we will shortly commence operations on the SNE North prospect which has the potential to enhance our total resources in Senegal.”

Source: Petroleum Africa

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