On 29 June 2020, Rosneft transferred the Sugdinskiy Vostochnyy license in Irkutsk Oblast (Eastern Siberia) to its subsidiary KrasGeoNATs, the Rosneft's research and analytical center in Krasnoyarsk. The license separation from the main company may mean that Rosneft could look for partners to explore the 2,604 sq km block located in the Nepa-Botuoba Basin. In 2009-2010, Rosneft drilled two dry wells in the license. In 2010, Rosneft reported the im. Savostyanova discovery in the adjacent Mogdinskiy block and a part of the discovery extends to Sugdinskiy Vostochnyy. 3P reserves of this portion of the discovery are estimated at 158 MMbbl of oil. The company plans to drill two exploratory wells in 2021-2023.  Rosneft won the block in 2005. Seismic coverage amounted to 0.3-0.4 km/sq km. Carbonate reservoirs of the Osinskaya, Ust-Kutskaya, Preobrazhenskaya and Yerbogachenskaya Formations are the primary targets for exploration. Recoverable resources of the block were estimated at 1,439 Bcf of gas (category C3) and 1,533 MMbbl of oil (categories C3+D2). Exploratory commitments included acquisition of 800 km of 2D seismic data and drilling of three wildcats. The starting price was RUB 300 million (USD 10.526 million). Rosneft offered RUB 7,470 million (USD 262.105 million).
(Nepa-Botuoba B.) Sugdinskiy Vost. op. by ROSNEFT (100%), Rosneft transferred the Sugdinskiy Vostochnyy license in Irkutsk Oblast (Eastern Siberia) to its subsidiary KrasGeoNATs, the Rosneft's research and analytical center in Krasnoyarsk. 