Loirston is a producing conventional oil field located in shallow water in the UK and is operated by Apache Beryl I. The field is located in block 9/13b ALL, with water depth of 367 feet.

Field participation details

The field is owned by Harbour Energy and Apache.

Production from Loirston

The Loirston conventional oil field recovered 99.53% of its total recoverable reserves, with peak production in 2011. The peak production was approximately 0.67 thousand bpd of crude oil and condensate and 24 Mmcfd of natural gas. Based on economic assumptions, production will continue until the field reaches its economic limit in 2025.

Remaining recoverable reserves

The field is expected to recover 0.01 Mmboe, comprised of 0 Mmbbl of crude oil & condensate, 0.01 bcf of natural gas reserves and 0.01 Mmbbl of natural gas liquid 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.