Oranje-Nassau Energie Oranje-Nassau Energie (ONE) is the largest privately owned Dutch exploration and production operating c ... ompany. Following the successful acquisition of NL operator Cirrus, NAM's operated stake in Q16 and Shell's and Esso's 50% operated share in the Sean license, ONE is well positioned to expand its operated asset base with the ambition to become the Southern and Central North Sea operator of choice. We are strategically positioned in some of the world's most exciting regions: North Sea (Netherlands and United Kingdom) and West Africa (Gabon); with 100 million boe of reserves and in total some 175 million boe of unrisked prospective resources. Average production in 2016 was 18,000 boe per day, increasing to 19,000 in 2017. read more