The FPSO Marlim Sul was a conversion from a very large crude carrier. The  conversion was carried out in the Keppel Shipyard in Singapore.

FPSO Marlim Sul is able to process 100,000 bpd of crude oil production and 2.3 million Sm³/d of gas compression. The produced gas is exported through Campos Basin pipelines. The process plant includes gas treatment and compression, as well as water injection facilities.

Campos Basin is a petroleum rich area located offshore of Rio de Janeiro, Brazil.