AO Gazpromneft ONPZ operates the Omsk refinery, which is located in Omsk Oblast, Russia. It is a non integrated refinery owned by Gazprom. The refinery, which started operations in 1955, has an NCI of 8.8.

Key processes of the refinery

Crude Distillation Unit (mbd): 447
Coking (mbd): 14
Catalytic Cracker (mbd): 72
Hydrocracker (mbd): 103
Reformer (mbd): 20
Hydrotreater (mbd): 84
Alkylation (mbd): 9
Isomerization (mbd): 28

The capacity of the refinery is expected to remain the same as 446.5mbd by 2030.

During the period 2021-2025, the Omsk refinery is expected to witness an estimated capex of $550m.

Maintenance activities at Omsk refinery

The Omsk refinery witnessed five incidents during the period 2015-2020.

Upcoming expansion projects at Omsk refinery

Delayed Coking Unit, Other Hydrocracker, Diesel Hydrotreater

Contractors involved in the refinery

Some of the key contractors for the upcoming projects at the Omsk refinery include the following.

Design/FEED: Chicago Bridge & Iron.

Main EPC: China National Chemical Engineering, Maire Tecnimont, Velesstroy.

EPC: Izhorskiye Zavody.


Information on the refinery is sourced from GlobalData’s refinery database that provides detailed information on all active and upcoming, crude oil refineries and heavy oil upgraders globally. Not all companies mentioned in the article may be currently existing due to their merger or acquisition or business closure.