In mid-2018, Rosneft discovered a new oil pool at the Petelinskoye field in Khanty-Mansiysk (Yugra) Autonomous Okrug (Western Siberia). In late November 2017, the company re-entered development well Petelinskaya 810. It was side-tracked from 2,307 m and drilled to 3,117 m. A new oil pool was reported after testing reservoir Bazhenov Yu0 (Upper Jurassic) perforated at 3,022-3,026 m. The reservoir flowed with oil and formation water at rates of 76 b/d and 9 b/d, accordingly.  Petelinskoye, discovered in 1967, is located in the southern part of the Middle Ob Province. Its initial 2P oil reserves are estimated at 551 MMbbl. The field has been producing since 1986.
Russia (Middle Ob Province (West Siberian B.)) Petelinskoye