Tullow Fares Poorly In Ghana’s Okure-1 - Africa’s premier report on the oil, gas and energy landscape.

Tullow Fares Poorly In Ghana’s Okure-1

The news were far from upbeat when Tullow Oil gave an update on its Okure-1 exploration well, on the Deepwater Tano Licence offshore Ghana. The company didn’t say exactly what the net oil count was, after the well had reached total depth of 4,511 meters. The gross hydrocarbon column given was 17metres.
Tullow admitted there was a “low net-to-gross” interval and the sands were “non-reservoir quality formations at the main objective levels below the TEN cluster”.  TEN refers to Tweneboa, Enyenra and Ntomme fields, which are to be jointly developed as TEN Project.

The sands in Okure-1 are Turonian age sandstones within an overlying secondary objective. Light oil with a 40° API was recovered from this interval.

If Okure-1 had been commercially successful, it’d have been an entirely new accumulation. “Integration of wireline logs and pressure data indicates that this oil accumulation is not connected to other hydrocarbon discoveries in the license area. The next exploration activity to be carried out by the rig will be the drilling of Sapele-1, adjacent to the Jubilee field, also in the Deepwater Tano Licence and is expected to be spud before December 31, 2012.

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