Eni drills first oil delineation well of Sankofa East oil discovery offshore Ghana

Posted on 17 January 2013

Eni has successfully drilled Sankofa East 2A, the first appraisal well of the Sankofa East oil discovery in the Offshore Cape Three Points (OCTP) block, located in the Tano Basin around 50 km offshore Ghana. The result confirms the commercial standing of the oil discovery in the OCTP block and the strategic importance of the block for further industrial and economic development in the country. Eni estimates the overall potential of the discovery to be around 450 million bbls of oil in place with recoverable resources of up to 150 million bbls.

Sankofa East 2A, located 8 km southwest of the discovery well Sankofa East X1,  reached a total depth of 4,050 meters and was drilled in 990 meters of water. The well encountered 23 meters of gas and condensate gross pay (17 meters net) and 76 meters of gross oil pay (30° API, 32 meters net) in good sands of cretaceous age.

The well confirmed the extension of the oil accumulation in the Cenomanian sequence, and data acquisition proved the hydraulic communication in the oil prone reservoir between the discovery and the appraisal well.

Eni has immediately commenced plans for the commercial exploitation of the oil reserves. There are also ongoing engineering studies for the development and commercialization of the gas reserves of the block in accordance with the Memorandum of Understanding (MoU) recently signed by Eni, Vitol and Ghana National Petroleum Corporation (GNPC) with the Ministry of Energy of Ghana. The MoU focuses particularly on the domestic gas market, in which Eni and its joint venture partners aim to play a prominent role.

Eni, through its subsidiary Eni Ghana Exploration and Production Limited, is the operator of the OCTP block with a 47.222% share. Other partners are Vitol, with a 37.778% share, and GNPC with a 15% share, and an option for an additional 5% share.

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