The Keta - Togo - Benin (KTB) Basin is an abrupt margin basin situated in the Gulf of Guinea. It extends from Nigeria to Ghana. Compared to the world class discoveries in both adjacent basins - the Niger Delta fan and the Cote d'Ivoire Basin - the KTB has not yet delivered. In Benin, exploration activity has been sporadic. The country's only commercial field - Sèmè - was discovered in 1969 in shallow water. The recent Ogo discovery in the Nigeria section of the basin has sparked new exploration interest. However, Shell drilled an ultra-deep water wildcat in 2014 but was unsuccessful.