||Acreage (sq km)
Tullow has exploration opportunities in the Guyane Maritime licence in French Guiana, which was acquired as part of the Hardman Resources acquisition in 2007. In November 2009, Tullow announced that it had agreed to farm down 33% of its interest in the Guyane Maritime licence to Shell. This was followed in December 2009 by a further farm down to Total of 25%. In September 2010, Shell exercised its option to increase its interest in the Guyane Maritime block by 12% to 45%, which resulted in Tullow having a 27.5% interest.
In 2011, the first well drilled by Tullow in the licence successfully proved the twin Atlantic Basin concept by encountering 72m of net oil pay in 3 high quality reservoir intervals at the Zaedyus well. The Zaedyus-2 well commenced drilling in July 2012 and in December 2012 Tullow announced that the well had not encountered commercial hydrocarbons. This was followed by similar results at Priodontes-1 and Cebus-1.