Southern Swamp Fields is a producing conventional gas field located onshore Nigeria and is operated by Shell Petroleum Development Company of Nigeria. The field is located in block OML 36, OML 46, and OML 35.

Field participation details

The field is owned by Shell, Nigerian National Petroleum, TotalEnergies and Eni.

Production from Southern Swamp Fields

The Southern Swamp Fields conventional gas field recovered 9.69% of its total recoverable reserves, with peak production in 2021. The peak production was approximately 243 Mmcfd of natural gas. Based on economic assumptions, production will continue until the field reaches its economic limit in 2052. The field currently accounts for approximately 1% of the country’s daily output.

Remaining recoverable reserves

The field is expected to recover 183.88 Mmboe, comprised of 1,103.26 bcf of natural gas reserves. Southern Swamp Fields conventional gas field reserves accounts 0.06% of total remaining reserves of producing conventional gas fields globally.


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.