Ashalchinskoye (EVO) is a producing heavy oil field located onshore Russia and is operated by Tatneft. According to GlobalData, who tracks more than 34,000 active and developing oil and gas fields worldwide, the field is located in block Ashalchinskoye. Buy the profile here.

Field participation details

The field is owned by Tatneft.

Production from Ashalchinskoye (EVO)

The Ashalchinskoye (EVO) heavy oil field recovered 16.09% of its total recoverable reserves, with peak production in 2017. The peak production was approximately 21.10 thousand bpd of crude oil and condensate. Based on economic assumptions, production will continue until the field reaches its economic limit in 2104.

Remaining recoverable reserves

The field is expected to recover 275.12 Mmboe, comprised of 274.85 Mmbbl of crude oil & condensate and 1.62 bcf of natural gas reserves. Ashalchinskoye (EVO) heavy oil field reserves accounts 0.64% of total remaining reserves of producing heavy oil fields globally.

About Tatneft

Tatneft is an integrated oil and gas company. It explores for, develops, and produces crude oil and natural gas mainly in the Tatarstan. The company refines crude oil and markets petroleum products. Tatneft also manufactures petrochemicals and has operations in heat and power generation. The company operates a tire manufacturing complex and network of retail fuel filling stations and has interest in the financial services business. The company also provides ancillary services such as sales of oilfield equipment and drilling to others. It markets petroleum products in Russia, Belarus, Ukraine, Germany, Switzerland, the Netherlands, and the UK. Tatneft is headquartered in Almetyevsk, Tatarstan, Russia.

For more details on the Ashalchinskoye (EVO) Heavy Oil Field, buy the profile here.


GlobalData, the leading provider of industry intelligence, provided the underlying research used to produce this article.

This information is drawn from GlobalData’s Oil & Gas Intelligence Center, which provides detailed profiles of 34,000+ oil and gas fields, 400,000+ exploration blocks, 1,100+ LNG terminals, 3,400+ gas processing plants, 5,000+ storage terminals, and 8,000+ pipelines, 1,400+ refineries and 13,000+ petrochemical plants worldwide.