Energy · Brazil

Petrobras Announces New Offshore Oil Discovery Near Amazon River Mouth

State-run oil giant Petrobras has discovered oil in a new frontier area near the Amazon River mouth, a find hailed by President Lula as a "passport to Brazil's future," though recoverable volumes are yet to be determined and environmental concerns persist.

News AutomationCompiled 05:06 UTC · 1 min read

An offshore oil rig operates in the ocean, symbolizing Brazil's new energy frontier.

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Brazil’s New Oil Frontier Could Keep Its Boom Alive For Decades

By Alex Kimani

Petrobras has discovered oil near the Amazon River mouth, with Lula calling the find a “passport to Brazil’s future,” although recoverable volumes remain unknown.
The Equatorial Margin could become Brazil’s next major oil frontier, potentially helping replace declining pre-salt production after the mid-2030s.
Lula faces a political and environmental balancing act, pursuing the potential oil windfall despite strong public support for renewables and concerns over ecological risks.

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Brazilian President Luiz Inácio Lula da Silva has hailed a new offshore oil discovery by Petrobras (NYSE: PBR) near the mouth of the Amazon River as a "passport to the country's future", continuing his support for controversial oil and gas drilling in Amazon's ecologically sensitive regions.Last week, the state-run Oil & Gas giant announced it has found oil at the Morpho-1 well (Block FZA-M-59) in the mouth of the Amazon roughly 180 kilometres (112 miles) off the coast of Amapa state, “All of our studies indicate substantial potential. This discovery confirms our findings, and we will continue exploring,”Petrobras CEO Magda Chambriard said earlier this week, adding that the company is yet to determine the volumes of recoverable hydrocarbons.

“ When I say ‘passport, I’m not denying my commitment to the fight for a day when we no longer need fossil fuels, because Brazil will continue to be the king of biofuel innovation and will remain a major player in renewable energy,” Lula said, attempting to get out in front of a backlash over his level of commitment to renewables versus fossil fuels.

Lula is walking a political tightrope, as he tries to balance the potential economic windfall of oil revenues with his administration's stated climate goals ahead of October general elections.

According to a 2023 EIB Climate Survey, 78% of Brazilians believe the country should prioritize investments in renewable energy over fossil fuels, and a 2025 study by the Brazilian Agency for Industrial Development (ABDI) found that 75% of Brazilians trust the green economy to generate sustainable, high-quality jobs.

Environmental licensing for the ultra-deepwater Morpho exploratory well faced considerable regulatory hurdles, with Brazilian environmental agency Ibama initially rejecting Petrobras's drilling application in May 2023 over ecological concerns. Brazil’s federal regulator later issued the exploratory operating license in October 2025, but it hasn’t been without an enormous amount of pushback from civil society and environmental groups.

History is on their side. Drilling operations at the Morpho well were brought to a halt in January after an estimated 18,000 liters of synthetic drilling fluid leaked into the ocean.

But the potential windfall from the Equatorial Margin may be too great for Lula’s government to ignore, with estimates that potential reserves could reach between 20 to 30 billion barrels of oil across adjacent basins like Pará-Maranhão.

The geological profile of the Brazilian Equatorial Margin mirrors the ultra-deepwater formations found in nearby Guyana and Suriname, and the Morpho discovery provides the first real proof that this highly lucrative oil system extends into Brazilian waters. The Guyana-Suriname Basin holds an estimated 13 billion to over 15 billion barrels of discovered oil equivalent resources, with at least 11 billion barrels of recoverable oil lying within the massive Stabroek Block owned by Exxon Mobil (NYSE:XOM) and its partners.

Brazil is already enjoying an oil boom, with production hitting an all-time high of 4.5 million bpd in July, up 19.2% Y/Y. Much of that growth is being driven by Petrobras’ deployment of new Floating Production Storage and Offloading (FPSO) vessels at deepwater pre-salt fields such as Tupi, Búzios and Mero. Pre-salt fields now account for roughly 80% of national production, but output is projected to peak and begin a gradual decline around 2034-2035. So now, Lula is looking for the next generation of fields capable of sustaining production beyond the pre-salt boom. That makes the Equatorial Margin far more strategically important.

Petrobras has already allocated roughly $2.5-$2.7 billion to exploratory drilling in the Equatorial Margin through 2030. For Lula, the political calculation may increasingly favor development. A major new oil province promises jobs, government revenues and a replacement for declining pre-salt production, and Lula has made the discovery part of his economic and energy-security pitch as he campaigns for a fourth presidential term. He seems to be willing to risk his environmental credentials over this play.

By Alex Kimani for Oilprice.com

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