Joanne is a producing conventional gas field located in shallow water in the UK and is operated by Chrysaor Petroleum Co UK. The field is located in block 30/7a ALL, 30/12a ALL, 30/6a JOANNE AND JULIA FIELDS, and 30/13d NORTH, with water depth of 350 feet.

Field participation details

The field is owned by Harbour Energy and Eni.

Production from Joanne

The Joanne conventional gas field recovered 81.49% of its total recoverable reserves, with peak production in 1998. The peak production was approximately 30.81 thousand bpd of crude oil and condensate and 181 Mmcfd of natural gas. Based on economic assumptions, production will continue until the field reaches its economic limit in 2043. The field currently accounts for approximately 1% of the country’s daily output.

Remaining recoverable reserves

The field is expected to recover 31.59 Mmboe, comprised of 19.16 Mmbbl of crude oil & condensate and 74.61 bcf of natural gas reserves. Joanne conventional gas field reserves accounts 0.01% of total remaining reserves of producing conventional gas 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.