Gazprom Neft submitted an application to the Rosnedra for geological study of the Ust-Yenisei block in the Kara Sea, the sources told Kommersant. The resources of the block are 64 million tons of oil and 146 billion cubic meters of gas by category Dl, 20.9 million tons of oil and 130.3 billion cubic meters of gas by category D1+D2. Gazprom Neft declined to comment.