Wentworth updated operations of the Ziwani-1 exploration well in the Mnazi Bay Concession, Tanzania.
The well, which was spudded on February 1, 2012, has now been drilled to a depth of 8,763 feet (2,671 meters) and full logging operations have been completed. Further to the announcement of April 10, 2012 regarding the encountering of gas shows, the partners have identified a gas bearing zone between 3,629 and 3,638 feet (1,106 and 1,109 meters) and are conducting testing operations.
The zone to be tested is a new reservoir interval, not previously encountered in the Mnazi Bay Block. The reservoir is a clean limestone of Pliocene age which exhibited strong gas shows during drilling (4.3 percent Total Gas).