Offshore

PETROBRAS Finds Pre-Salt Oil at Marlim Sul

Petrobras confirmed an oil discovery in the pre-salt section of the Campos Basin at Marlim Sul offshore Brazil. Laboratory analysis will support further appraisal of the area.

Illustration (Source: Brazil Energy Insight)

27, March 2026
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PETROBRAS has made an oil discovery in the pre-salt section of the Campos Basin offshore Brazil after drilling an exploration well in the Marlim Sul field.

The discovery came at well 3-BRSA-1397-RJS, about 113 km offshore from Campos dos Goytacazes in Rio de Janeiro. The well is located at a depth of 1,178 m.

According to the company, wireline logs, hydrocarbon shows and fluid sampling confirmed an oil-bearing interval. The collected samples will undergo laboratory analysis to further define reservoir and fluid characteristics as appraisal work continues in the area.

Tags: Brazil offshore, Campos basin, Marlim Sul, Petrobras, pre-salt

Editorial Note:
This article was prepared with the assistance of AI tools to enhance clarity and efficiency.
All information has been reviewed and verified by the HMT News editor.

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