South Sean is a producing conventional gas field located in shallow water in the UK and is operated by One-Dyas UK. According to GlobalData, who tracks more than 34,000 active and developing oil and gas fields worldwide, the field is located in block 49/25a ALL, 49/30a ALL, and 49/24e ALL, with water depth of 230 feet. Buy the profile here.

Field participation details

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

Production from South Sean

The South Sean conventional gas field recovered 54.95% 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 43.00 Mmcfd of natural gas. Based on economic assumptions, production will continue until the field reaches its economic limit in 2046.

Remaining recoverable reserves

The field is expected to recover 9.08 Mmboe, comprised of 0.19 Mmbbl of crude oil & condensate and 53.33 bcf of natural gas reserves.

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.

For more details on the South Sean Conventional Gas Field, buy the profile here.


GlobalData, the leading provider of industry intelligence, provided the underlying research used to produce this article.

This information is drawn from GlobalData’s Oil & Gas Intelligence Center, which provides detailed profiles of 34,000+ oil and gas fields, 400,000+ exploration blocks, 1,100+ LNG terminals, 3,400+ gas processing plants, 5,000+ storage terminals, and 8,000+ pipelines, 1,400+ refineries and 13,000+ petrochemical plants worldwide.