Calder is a producing conventional gas field located in shallow water in the UK and is operated by Chrysaor Resources (Irish Sea). The field is located in block 110/7a ALL and 110/2b ALL, with water depth of 112 feet.

Field participation details

The field is owned by Harbour Energy.

Production from Calder

The Calder conventional gas field recovered 31.72% of its total recoverable reserves, with peak production in 2019. The peak production was approximately 59 Mmcfd of natural gas. Based on economic assumptions, production will continue until the field reaches its economic limit in 2089.

Remaining recoverable reserves

The field is expected to recover 55.54 Mmboe, comprised of 333.26 bcf of natural gas reserves. Calder conventional gas field reserves accounts 0.02% 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.