On 22 February 2018, the Federal Agency for Subsoil Use held an auction for three blocks in Samara Oblast (Volga-Ural Province). The winning bids were submitted by Rosneft-subsidiary Samaraneftegaz and local companies Nedra and Ekoinveststroy. The winners of the auction will obtain 25-year E&P licenses.  Details of the offer are as follows: The Uspenskiy block covers 399 sq km in the conjunction zone of the Tatarskiy Yuzhnyy Dome and the Sokskaya Depression and encompasses unlicensed parts of the Radayevskoye and Oboshinskoye fields with combined 2P reserves estimated at 1.2 MMbbl of oil. Oil resources (category D1) of the block are estimated at 29 MMbbl. The starting price amounted to RUB 23.4 million (USD 0.42 million). Samaraneftegaz offered RUB 1,004 million (USD 17.9 million). The Novogubinskiy block covers 171 sq km in the Zhigulevsko-Pugachevskiy Dome. Seismic coverage amounts to 222 km. Oil resources (category D1) of the block are estimated at 15 MMbbl. The starting price amounted to RUB 3 million (USD 0.05 million). Nedra offered RUB 3.3 million (USD 0.06 million). The Alkinskiy block covers 14 sq km in the Tatarskiy Yuzhnyy Dome. Seismic coverage amounts to 2 km. Oil resources (category D1) of the block are estimated at 2 MMbbl. The starting price amounted to RUB 0.2 million (USD 0.003 million). Ekoinveststroy offered RUB 0.22 million (USD 0.004 million).  Â 
Samaraneftegaz (Rosneft-subsidiary) was awarded Uspenskiy block (399kmÂ²) in the conjunction zone of the Tatarskiy Yuzhnyy Dome and the Sokskaya Depression.