BW Energy, a Norwegian company active in offshore oil and gas exploration, announced on Thursday March 5 that it has started oil production on the offshore Tortoise Phase 2 field, located in the Dussafu Marin license, off the coast of Gabon. The production well, named Gamba DTM-5H, was successfully launched on March 4 and a second well is expected to come on stream later this month, the company said in its press release. BW Energy, a subsidiary of the BW Offshore Group, operates in Gabon as part of a joint venture dedicated to the Dussafu Marin license, of which it is the main operator (73.5%) alongside Tullow Oil (10%), Gabon Oil Company (9%) and Panoro Energy (7.5%).