Var?yeganneft? OAO (Var?yeganneft? OJSC) is a Russia-based company, which is principally involved in the exploration and extraction of crude petroleum and natural gas. The Company operates through seven wholly owned subsidiaries: Upravlenie po remontu i obsluzhyvaniyu neftepromyslovogo oborudovaniya (URONO) OOO, Proizvodstvenno-bytovoe upravlenie (PBU) OOO, Upravlenie tekhnologicheskogo transporta (UTT) OOO, Stroitel?no-montazhnoe upravlenie OOO, Upravlenie avtomatizatsii i energetiki neftyanogo proizvodstva (UAiENP) OOO, Novo-Aganskoe OOO and Valyuninskoe OOO. Var?yeganneft? OAO is active domestically and operates mainly on the territory of Khanty-Mansiysk and Yamalo-Nenetsk autonomous regions. As of September 21, 2012, the Company's major shareholder was NK RussNeft? OAO with a stake of 51.07%.