South Marsh Island 161 is a producing conventional oil field located in shallow water in the US and is operated by Talos Third Coast. According to GlobalData, who tracks more than 34,000 active and developing oil and gas fields worldwide, the field is located in block South Marsh Island 161, with water depth of 280 feet. Buy the profile here.

Field participation details

The field is owned by Castex Energy 2014, Castex Energy 2016 and Talos Third Coast.

Production from South Marsh Island 161

The South Marsh Island 161 conventional oil field recovered 97.33% of its total recoverable reserves, with peak production in 1986. The peak production was approximately 0.57 thousand bpd of crude oil and condensate and 19.00 Mmcfd of natural gas. Based on economic assumptions, production will continue until the field reaches its economic limit in 2026.

Remaining recoverable reserves

The field is expected to recover 0.26 Mmboe, comprised of 0.22 Mmbbl of crude oil & condensate and 0.22 bcf of natural gas reserves.

For more details on the South Marsh Island 161 Conventional Oil 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.