South Marsh Island 73 is a producing conventional oil field located in shallow water in the US and is operated by W&T Offshore. 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 68, South Marsh Island 70, South Marsh Island 59, South Marsh Island 71, South Marsh Island 69, South Marsh Island 72, and South Marsh Island 73, with water depth of 148 feet. Buy the profile here.

Field participation details

The field is owned by W&T Offshore.

Production from South Marsh Island 73

The South Marsh Island 73 conventional oil field recovered 89.91% of its total recoverable reserves, with peak production in 1971. The peak production was approximately 12.78 thousand bpd of crude oil and condensate and 13.00 Mmcfd of natural gas. Based on economic assumptions, production will continue until the field reaches its economic limit in 2042.

Remaining recoverable reserves

The field is expected to recover 11.93 Mmboe, comprised of 11.29 Mmbbl of crude oil & condensate and 3.85 bcf of natural gas reserves.

About W&T Offshore

W&T Offshore Inc (W&T Offshore) is an independent oil and natural gas company. The company carries out acquisition, exploitation, development and exploration of oil and natural gas assets both onshore and offshore in the Gulf of Mexico and Alabama State Waters. It acquires contracts to explore and develop new prospects and operate existing oil and natural gas properties in the deepwater, conventional shelf and the deep shelf. W&T Offshore also owns working interest in producing fields in federal and state waters and has interests in offshore leasehold acreage spanning across the outer continental shelf off the coasts of Louisiana, Texas, Mississippi and Alabama. W&T Offshore is headquartered at Houston, Texas, the US.

For more details on the South Marsh Island 73 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.