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February 19, 2026EnergiesOpen Access

Influence of Skin Factor on Oil Recovery and Economic Performance in Synthetic Layered Carbonate Models Based on Pre-Salt Well Profiles

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Authors

EAEdson de Andrade AraújoUniversidade Federal de Campina GrandeGAGuilherme Mentges ArrudaUniversidade Federal do Rio Grande do NorteRLRafael Japiassu LeitãoPetrobras (Brazil)

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Overview

Demonstrates the impact of skin factor on oil recovery in carbonate reservoirs, indicating optimization strategies for acidizing treatments.

Key Points

  • The aim is to quantify the effects of the skin factor on oil recovery and the economic performance of carbonate reservoirs.
  • Constructed synthetic carbonate reservoir models using well data from Brazilian pre-salt conditions.
  • Simulated ten models with varying flow capacities over 30 years of water injection.
  • Considered skin factors ranging from −3 to +20 during simulations.
  • Wells with flow capacities below 10,000 mD·m had up to 35% higher cumulative oil recovery.
  • Net present value increased by over 100% for low capacity wells compared to unstimulated cases.
  • Marginal production and economic improvements were observed for capacities between 10,000 and 40,000 mD·m.
  • For capacities above 60,000 mD·m, stimulation response was negligible with NPV variations below 0.1%.

Cite This Study

Araújo et al. (2026) studied this question.

synapsesocial.com/papers/6996a7ffecb39a600b3ee499https://doi.org/10.3390/en19041039
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