 The remaining 10% is held by Namibian state oil company Namcor.On Tuesday, 18 September 2007, shares of Tullow Oil declined by more than 3.0% after the group announced that it had to abandon the Kudu-8 exploration well offshore Namibia and that a second well planned nearby won't be drilled.In 2010, Namcor and Russian gas company Gazprom agreed to establish a special purpose company to take a majority stake in the Kudu gas field.