BP has announced its biggest oil and gas find in more than two decades, following a major discovery at the Bumerangue exploration site in Brazil’s deepwater Santos Basin, potentially reshaping its upstream strategy.
The well, drilled approximately 400 kilometres off the coast of Rio de Janeiro, reached a depth of nearly 6,000 metres and revealed a hydrocarbon column of over 500 metres in high-quality pre-salt carbonate reservoirs. According to BP, the reservoir spans more than 300 square kilometres, making it one of the most promising in the company’s global portfolio.
This marks BP’s largest find since the Shah Deniz gas field in the Caspian Sea in 1999, and the most significant for the company since its renewed focus on oil and gas after scaling back its green energy transition strategy. The Bumerangue block, wholly owned by BP, was secured in 2022 during Brazil’s offshore licensing round.
Early assessments suggest the field may hold several billion barrels of recoverable resources. However, the reservoir has a high concentration of carbon dioxide, meaning development will require advanced separation and reinjection infrastructure. BP has indicated that further appraisal drilling will follow, pending regulatory approval.
The news boosted BP shares by over 1% in early trading, with analysts noting that the find could substantially increase BP’s production targets. The company now expects to grow its upstream output to 2.5 million barrels of oil equivalent per day by 2030, with the potential to extend growth into the next decade.
Chief Executive Murray Auchincloss described the discovery as a “milestone for our upstream business” and a reaffirmation of BP’s pivot back toward hydrocarbons. The company has also reported other discoveries this year in Angola, Egypt, Libya, Trinidad and the Gulf of Mexico, underscoring a wider strategy focused on near-term returns from traditional assets.
For Brazil, the find reinforces its position as one of the world’s most attractive deepwater oil frontiers. The Santos Basin has already attracted major international players, including Petrobras, Shell, and TotalEnergies, all of which are investing heavily in the region’s pre-salt layers.
Environmental groups have expressed concern over BP’s renewed fossil fuel push, particularly in sensitive marine ecosystems. However, BP insists the field can be developed in line with emissions targets, with carbon capture and storage expected to be central to project planning.
The Bumerangue discovery may serve as a test case for balancing large-scale fossil fuel production with climate accountability, a growing challenge facing international oil majors in the current energy landscape.
REFH – Newshub, 5 August 2025
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