Ibama Requests Emergency Simulation from Petrobras to Release Environmental License in the Mouth of the Amazon. Meeting About the Plan Takes Place in August.
The Brazilian Institute of Environment and Renewable Natural Resources (Ibama) requested Petrobras to submit the emergency simulation plan for a potential oil spill in the Mouth of the Amazon, located at the northern tip of the Brazilian coast. The meeting to evaluate the proposal is scheduled for August 12 and represents the last step necessary for the state-owned company to advance with the drilling license request in the basin.
The requirement from the environmental agency comes amid Petrobras’s urgency, as it tries to expedite the Preliminary Environmental Assessment (APO) and ensure the simulation is conducted in August.
The reason for the urgency: the contract for the rig that will be used for drilling expires in October, which could incur extra costs if the schedule is delayed.
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Petrobras Presses for Early Response from Ibama
Concerns about deadlines have led Petrobras to formally request that the meeting regarding the APO be moved up to August 4.
Additionally, it requested that Ibama authorize the movement of the NS-42 rig, currently positioned off the coast of Pará.
According to the company, all logistical resources are already prepared for the simulation, including helicopters, emergency vessels, wildlife care centers, and a mobilized technical team.
The APO serves to test the company’s capacity to respond to a realistic scenario of offshore oil spills and to verify the implementation of the Wildlife Protection Plan, which has already been approved by Ibama.
Mouth of the Amazon is a Strategic Priority for Petrobras
The Mouth of the Amazon basin is considered one of Brazil’s new energy frontiers. Petrobras has ambitious plans to explore at least eight wells in the region throughout the campaign. Each drilling can take between four to six months, requiring detailed logistical planning.
During the last auction held by the National Agency of Petroleum (ANP), the state-owned company won, in consortium with ExxonMobil, ten exploratory blocks in the region.
The Chevron/CNPC consortium also acquired another nine blocks. In total, investments in the Mouth amounted to R$ 845 million in signing bonuses, demonstrating the exploration potential of the area.
License Depends on Simulation and New Environmental Assessment
Despite the technical advances and billion-dollar investment, the operation still depends on the final environmental clearance. Ibama emphasizes that, before authorizing drilling, it’s necessary to validate the simulation and ensure that Petrobras is prepared to handle any ecological emergencies.
Due to being a sensitive area rich in marine biodiversity and home to coastal communities, offshore drilling in the Mouth of the Amazon requires a high level of environmental control and monitoring. The impasse between Petrobras’s urgency and Ibama’s strict criteria continues to keep the license under review.
While Petrobras seeks to accelerate the process, Ibama maintains the schedule within legal deadlines and awaits the formal presentation of plans for the APO.
The resolution of this issue will define the future of exploration in the Mouth of the Amazon, which could become one of the country’s largest energy production hubs—provided it is balanced with environmental preservation.

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