Russian state-controlled oil company Rosneft has discovered four new hydrocarbon deposits at its license blocks in Eastern Siberia, Russia.
Following Mogdinskaya-10 exploration well drilling, three new deposits were discovered in the Irkutsk region at the Mogdinskiy license area within Savostyanov field. These include one oil and gas condensate and two gas condensate deposits.
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The testing of complex ancient Vend-Cambrian carbonate reservoirs of the lower and upper Ust-Kut and Osinsky horizons in the well resulted in the flowing of gas and condensate. The production rate is being increased to 425,000m³ per day. Oil flows at the level of 90m³ per day.
The well has been sunk with due account for the new geologic model developed by Rosneft subsidiaries RN-Exploration and RN-KrasnoyarskNIPIneft.
The accuracy of the geologic model was successfully confirmed with a new exploration well in the North-Danilovskoe field.
The testing of the well has resulted in commercial oil flows with the production rate of around 50,000m³ per day from the Preobrazhenskiy horizon, which helped to discover an additional hydrocarbon deposit.
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By GlobalDataAs an operator, RN-Exploration carries out exploration works on the six license areas of the company in the Irkutsk region, while its activities resulted in the discovery of six hydrocarbon fields with total recoverable reserves of around 540 million tonnes of oil equivalent.
