Oil group Tullow has seen mixed results from its latest batch of drilling on its acreage in Uganda and Gabon.The Nzizi-3 well in Uganda Block 2 successfully appraised the Nzizi gas field. The Noix de Coco-1 well in Gabon encountered wet gas but in poor quality reservoir sandstones."The Nzizi-3 appraisal well takes us a significant step towards first gas production in Uganda by the end of 2011," exploration director Angus McCoss said, but added that the poor reservoir at Noix de Coco-1 rules out commercial development. "The results of this well will be worked into the regional framework and forward plans will be made to further high-grade this otherwise prospective Northern Gabonese Basin," he said.