Kalmancsa I. is a producing conventional oil field located onshore Hungary and is operated by Magyar Horizont Energia Kereskedelmi Es Szolgaltato. The field is located in block Kalmancsa I.

Field participation details

The field is owned by Magyar Horizont Energia Kereskedelmi Es Szolgaltato.

Production from Kalmancsa I.

The Kalmancsa I. conventional oil field recovered 28.51% of its total recoverable reserves, with peak production in 2021. The peak production was approximately 0.71 thousand bpd of crude oil and condensate and 1 Mmcfd of natural gas. Based on economic assumptions, production will continue until the field reaches its economic limit in 2081. The field currently accounts for approximately 2% of the country’s daily output.

Remaining recoverable reserves

The field is expected to recover 3.87 Mmboe, comprised of 3.44 Mmbbl of crude oil & condensate and 2.57 bcf of natural gas reserves.


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.