Ayanskoye West (Zapadno-Ayanskoye) is a producing conventional oil field located onshore Russia and is operated by Ink-Neftegazgeologiya. The field is located in block Ayansky (IRK).

Field participation details

The field is owned by Irkutsk Oil.

Production from Ayanskoye West (Zapadno-Ayanskoye)

The Ayanskoye West (Zapadno-Ayanskoye) conventional oil field recovered 34.78% of its total recoverable reserves, with peak production in 2020. The peak production was approximately 2.82 thousand bpd of crude oil and condensate and 22 Mmcfd of natural gas. Based on economic assumptions, production will continue until the field reaches its economic limit in 2061.

Remaining recoverable reserves

The field is expected to recover 30.27 Mmboe, comprised of 14.45 Mmbbl of crude oil & condensate and 94.92 bcf of natural gas reserves. Ayanskoye West (Zapadno-Ayanskoye) conventional oil field reserves accounts 0.01% of total remaining reserves of producing conventional oil fields globally.


Information on the field is sourced from GlobalData’s fields database that provides detailed information on all producing, announced and planned oil and gas fields globally. Not all companies mentioned in the article may be currently existing due to their merger or acquisition or business closure.