A joint Russian-Vietnamese-Japanese company VRJ million tons of oil produced from the beginning of the project. VRJ Petroleum Company was established in 2002 to develop the offshore fields of Vietnam. Participants were "Zarubezhneft", "Petrovietnam" and the Japanese company "Idemitsu" where Russian participant owns 50% of Vietnam — 35%, and Japanese, respectively — 15%.
According to the results of exploration work in 2008, an operating company VRJ announced the commercial opening of the deposit "Doi Moi". Given the fact that the "Doi Moi" and mine "South Dragon", located in the zone of the joint venture "Vietsovpetro", are a single mine, the decision was made about their merger and joint development. The operator for the development of the area has been designated "Vietsovpetro".
In 2010, at the joint field "Nam Rong — Doi Moi" stable began commercial production of oil.