Petrobras reinforces Campos Basin strategy with Argonauta transaction

Petrobras announced an agreement to acquire 100% of a ring-fence portion of the Argonauta Field, in the Campos Basin, currently held by Shell, ONGC and Brava.

The transaction involves a portion of Argonauta linked to 0.86% of the shared Jubarte pre-salt reservoir. The total consideration will be R$700 million plus US$150 million, subject to contractual adjustments and closing conditions.

Once completed, Petrobras will hold 98.11% of the Jubarte Shared Reservoir, while the Brazilian government, represented by PPSA, will retain 1.89% related to the extension of the reservoir into non-contracted areas.

More than a portfolio adjustment, the deal points to a broader strategy: Petrobras is consolidating control over profitable producing assets in the Campos Basin, simplifying governance and reinforcing its position in Brazil’s oldest offshore producing province.

The move follows other recent transactions, including the reacquisition of Petronas’ stake in Tartaruga Verde and Espadarte Module III, and is aligned with the company’s 2026–2030 Business Plan, which prioritizes value maximization in resilient upstream assets.

In a market where new frontier development faces longer licensing cycles and higher execution risk, mature basins with existing infrastructure are gaining renewed strategic relevance.

Campos Basin is no longer just a legacy province. It is becoming a core pillar in Petrobras’ portfolio optimization strategy.

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