Tullow's Dahoma-1 exploration well fails to find oil offshore Ghana

Source: Tullow Oil

Tullow Oil announced that the Dahoma-1 exploration well in the West Cape Three Points license encountered water bearing reservoirs.

The Dahoma-1 exploration well was drilled 11 kilometers south of Mahogany-3 to explore a down-dip satellite prospect within the southeast Jubilee area, outside of the main Jubilee Unit Area. It intersected 30 meters of good quality sandstone reservoir below a possible oil-water contact and some indications of oil migration point to good potential for oil trapped up-dip.

Offshore Ghana, the Atwood Hunter rig drilled Dahoma-1 to a total depth of 4,390 meters in water depths of 1,564 meters and will now move to drill Mahogany-5 to appraise the up-dip oil accumulations eastwards of Mahogany-3.

A comprehensive drilling program is planned for the remainder of 2010 and into 2011 targeting a combination of lower-risk and high-impact exploration and appraisal targets. The next high-impact wildcat is Owo-1, in the Deep Water Tano license, which will be drilled in June with the Sedco-702 rig targeting the upside potential in the greater Tweneboa fan system.

Tullow has a 22.896% interest in the West Cape Three Points license and its partners are Kosmos Energy (Operator) and a subsidiary of Anadarko Petroleum Corporation, (30.875% each), the E.O. Group (3.5%), Sabre Oil & Gas (1.854%) and the Ghana National Petroleum Corporation (GNPC) (10% carried interest).

Tullow (49.95%) operates the Deepwater Tano license and is partnered by Kosmos Energy (18%), Anadarko Petroleum (18%), Sabre Oil & Gas (4.05%) and the Ghana National Petroleum Corporation (GNPC) (10% carried interest).

“Dahoma-1 is the first of 12 wells in our deepwater Ghana Exploration and Appraisal campaign not to encounter hydrocarbons,” said Angus McCoss, exploration director for Tullow Oil. “It was a high-risk well required to evaluate the upside potential of the area by exploring a long way down-dip from known oil. We now look forward to incorporating the data from this well and to pursuing the largely independent and considerable remaining prospectivity in the West Cape Three Points block which we will be drilling through 2010.”



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