Petrobras Received Authorization from Ibama to Start Drilling an Exploratory Well in the Mouth of the Amazon. The Project, Considered Strategic for the Future of Brazilian Oil, Divides Opinions among Government, Environmentalists, and the Energy Sector.
The Petrobras received, on Monday (20), the long-awaited operating license from Ibama that allows the drilling of an exploratory well in deep waters at the Mouth of the Amazon. Located about 500 kilometers from the mouth of the Amazon River and 175 kilometers from the coast, the FZA-M-059 block marks the beginning of a new frontier of oil and natural gas in the country.
The operation, which is expected to last approximately five months, does not have immediate production goals but rather aims to collect geological information to assess the commercial potential of the area. This initial step is crucial for the national energy future and could redefine Brazil’s role in the global energy transition.
Ibama’s Decision Comes After Improvements to Petrobras’s Project
According to Ibama, the license was granted after a series of technical adjustments made by Petrobras throughout the licensing process, which extended over more than a decade. The block was originally granted in 2013, and the environmental licensing request was submitted in 2014.
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In August, the state-owned company conducted a simulated emergency supervised by Ibama, an essential step to demonstrate operational safety and response capability to potential environmental incidents. With the approval, the company can now proceed to the practical stage of drilling, which represents only the beginning of a long exploratory journey.
The Minister of Mines and Energy, Alexandre Silveira, celebrated the decision and reinforced the strategic importance of the Equatorial Margin, an area encompassing the northern coast of the country, from Amapá to Rio Grande do Norte.
“The Equatorial Margin represents the future of our energy sovereignty. Brazil cannot afford to not know its potential. We made a strong and technical defense to ensure that the exploration is done with total environmental responsibility, within the highest international standards,” the minister stated.
Silveira also highlighted that Brazilian oil is considered one of the most sustainable in the world, with low carbon emissions per barrel produced. For the government, the advancement in exploration is compatible with the energy transition and with the renewable matrix that makes Brazil a global example.
Lula Advocates Balance between Exploration and Environmental Responsibility
President Luiz Inácio Lula da Silva has stated on several occasions that Brazil is not ready to give up fossil fuels. According to him, “no country in the world” is in a position to completely renounce this energy source.
The president’s speech reinforces the idea of a gradual transition, in which oil will still play a crucial role in financing development policies and investments in clean energy. This view is shared by part of Congress, including the President of the Senate, Davi Alcolumbre (União-AP), who defended the license, pointing out that oil royalties are fundamental for the economic growth of the Amazon region.
Even with the operating license in hand, Petrobras will still need to meet a series of requirements before initiating any commercial production. Among them are:
- Confirm the existence of oil in an economically viable volume;
- Declare the commerciality of the area;
- Obtain a new specific environmental license for the production phase.
Only after these steps can exploration move forward to field development and effective resource extraction. Until then, the state-owned company will continue in the research and technical analysis phase.
Criticism and Reactions from Environmentalists
Despite the government’s enthusiasm, Ibama’s decision has been harshly criticized by environmental organizations, who consider the approval a threat to biodiversity and Brazil’s climatic commitments.
For the Public Policies Coordinator at the Climate Observatory, Suely Araújo, the approval represents a contradiction on the eve of COP30, a global conference on climate change that will be hosted in Brazil.
“On one hand, the government acts against humanity by stimulating more fossil expansion and betting on more global warming. On the other hand, it hampers COP30 itself, whose most important delivery needs to be the gradual elimination of fossil fuels,” she stated.
Environmental entities point out that the Mouth of the Amazon is extremely sensitive from an ecological standpoint, harboring marine ecosystems that are poorly studied and difficult to monitor.
The Minister of the Environment, Marina Silva, has sought a conciliatory position amid the impasse between economic growth and environmental preservation. In an interview with g1, she emphasized the importance of a “middle path” and highlighted that developed countries must lead the reduction in fossil fuel use.
“I have to look at the global energy matrix, and what has been agreed is that rich countries will go first, followed by developing countries. Brazil has made a very significant contribution to its energy matrix and is working hard,” the minister declared.
Her remarks underscore the complexity of the debate, which involves not only environmental issues but also sovereignty, regional development, and the pursuit of a sustainable exploration model.
Oil from the Equatorial Margin and the Strategic Role of Northern Brazil
The Equatorial Margin has been seen by Petrobras as one of the most promising regions in the country. The discovery of large reserves of light oil could consolidate the North as a new energy hub, attracting billion-dollar investments and boosting the local economy.
However, as Brazil prepares to host COP30, the advancement in exploration at the Mouth of the Amazon places the country at the center of a global discussion: how to balance economic growth, energy security, and environmental responsibility in an era of climate transition.

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