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April 29, 2022

South Sean Conventional Gas Field, UK

By Carmen

South Sean is a producing conventional gas field located in shallow water in the UK and is operated by One-Dyas UK. The field is located in block 49/25a ALL, 49/30a ALL, and 49/24e ALL, with water depth of 106 feet.

Field participation details

The field is owned by Viaro Energy and ONE-Dyas.

Production from South Sean

The South Sean conventional gas field recovered 25.02% of its total recoverable reserves, with peak production in 2019. The peak production was approximately 0.07 thousand bpd of crude oil and condensate and 43 Mmcfd of natural gas. Based on economic assumptions, production will continue until the field reaches its economic limit in 2064.

Remaining recoverable reserves

The field is expected to recover 29.13 Mmboe, comprised of 0.11 Mmbbl of crude oil & condensate and 174.11 bcf of natural gas reserves. South Sean conventional gas field reserves accounts 0.01% of total remaining reserves of producing conventional gas fields globally.

About One-Dyas UK

Oranje-Nassau Energie Resources Ltd (Oranje-Nassau Energie Resources), formerly Sterling Resources (UK) Plc., a subsidiary of Sterling Resources Ltd is an oil and gas company that carries out the exploration, production and development of crude oil and natural gas. The company’s offshore assets are located in Northern North Sea, Central North Sea and Southern North Sea. Its onshore assets are based in Cleveland Basin and holds interests in three onshore basins, and also in southern England and one in northeast England. The company focuses on the basins with recognized hydrocarbon potential. Sterling Resources UK is headquartered in Aberdeen, the UK.


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.

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