Mallard is a producing conventional oil field located in shallow water in the UK and is operated by EnQuest Heather. The field is located in block 21/19a ALL, with water depth of 298 feet.

Field participation details

The field is owned by Korea National Oil and EnQuest.

Production from Mallard

The Mallard conventional oil field recovered 99.78% of its total recoverable reserves, with peak production in 1999. The peak production was approximately 14.63 thousand bpd of crude oil and condensate and 9 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 0.07 Mmboe, comprised of 0.06 Mmbbl of crude oil & condensate and 0.07 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.