Mansell is a conventional oil development located in shallow water in the UK and is operated by Decipher Developments. Mansell lies in block 3/8g ALL, with water depth of around 778 feet.

The project is currently in feasibility stage and is expected to start commercial production in 2023.

Field participation details

The field is owned by Tailwind Energy.

Production from Mansell

Production from the Mansell conventional oil development project is expected to begin in 2023 and is forecast to peak in 2023, to approximately 4,000 bpd of crude oil and condensate. Based on economic assumptions, the production will continue until the field reaches its economic limit in 2055.

Remaining recoverable reserves

The field is expected to recover 11.01 Mmboe, comprised of 11.01 Mmbbl of crude oil & condensate.


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.