Petrobras Acquires 50% Stake in Equinor’s Itaimbezinho Block to Rebuild Campos Basin Reserves

Petrobras has entered into an agreement with Equinor Brasil Energia to acquire a 50% participating interest in the Itaimbezinho exploration block located in the offshore Campos Basin. Equinor currently holds 100% of the block and will retain operatorship with the remaining 50% stake following transaction closure. Pré-Sal Petróleo will serve as manager under the production sharing contract framework. Neither party disclosed financial terms of the acquisition.

The Itaimbezinho block sits approximately 190 kilometers off the Rio de Janeiro coast within the Pre-Salt Polygon and has not yet commenced production. Equinor secured the asset in October 2025 during the third cycle of the ANP’s Permanent Offering of Production Sharing agreements, bidding 6.95% of surplus oil to the federal government. The block represents part of Brazil’s deepwater exploration frontier where pre-salt formations currently account for 82% of national petroleum and gas output, producing 4.614 million barrels of oil equivalent daily as of April 2026.

Petrobras characterized the purchase as aligned with its 2026-2030 business plan focused on reserve replacement through new frontier exploration and collaborative development models. The state-controlled company already maintains adjacent operations with Equinor in the Campos Basin, including the Raia project—Brazil’s largest natural gas development scheduled for startup this decade—and the Jaspe exploratory license where Petrobras holds 60%. The acquisition creates potential operational synergies across these neighboring assets in a region where Petrobras possesses established infrastructure and technical expertise.

Completion requires approval from the Administrative Council for Economic Defense and the National Agency of Petroleum, Natural Gas and Biofuels, alongside fulfillment of standard precedent conditions for asset transfers in Brazil’s upstream sector. The transaction reinforces Petrobras’s strategic pivot toward partnership-based exploration rather than independent development of high-risk frontier acreage. Analyst coverage maintaining buy ratings on Petrobras stock cited the company’s strong cash generation and dividend yield, though technical indicators showed bearish trend signals despite oversold conditions. The move signals continued competition between national oil companies and international majors for pre-salt exploration positions as Brazil’s most productive hydrocarbon province.