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October 23, 2025OTC Brasil

Brazilian Pre-Salt Paradigm Shift: Drilling Reservoir with Exposed Salt for Open Hole Completion with Oil-Based Mud

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Authors

FFFabio FabriNDN. J. DenadaiCOCristiano Claudino Oliveira

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Overview

Analysis reveals successful drilling of carbonate sections with exposed salt, indicating a paradigm shift in reservoir development.

Key Points

  • High flow capacity was achieved in the carbonate reservoir after acid stimulation and oil-based mud usage, showcasing improved well productivity.
  • The method prevented filter cake issues and facilitated effective wellbore cleaning, enhancing overall drilling performance.
  • Observational analysis of drilling operations highlighted significant advances in handling carbonate sections within the Brazilian pre-salt, using state-of-the-art oil-based mud techniques.
  • This development suggests major implications for future pre-salt projects, particularly in managing mature reservoirs under depletion pressure.

Cite This Study

Fabri et al. (2025) studied this question.

synapsesocial.com/papers/68f9a0eb8ea8f2f37ee94dcfhttps://doi.org/10.4043/36081-ms
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