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BP Confirms Largest Oil and Gas Find in 25 Years at Brazil’s Santos Basin

BP’s largest deepwater discovery in a quarter-century underscores its strategic return to upstream oil and gas under CEO Murray Auchincloss

The Eastern Trough Area Project, a BP-operated oil and gas hub in the UK North Sea
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Overview

  • The Bumerangue prospect delivered BP’s biggest global oil and gas discovery since 1999 and represents its tenth successful find of 2025.
  • Early rig-site analysis revealed elevated carbon dioxide levels in reservoir samples, which could complicate extraction economics.
  • BP will conduct further appraisal activities and laboratory testing to assess reservoir characteristics and estimate recoverable volumes.
  • The company is evaluating the establishment of a material production hub in Brazil to secure long-term upstream capacity into the 2030s and beyond.
  • Shares gained about 1.3% following the announcement, reflecting investor support for BP’s pivot back to fossil fuels and its 2030 output target of 2.3–2.5 million barrels of oil equivalent per day.