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May 9, 2026SPE Journal

Differentiated Drill-In Fluid Damage Control in Multilayered Fractured Carbonate Reservoirs: Mechanisms, Strategies, and Field Application

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Authors

CHChen HuangYKYili KangCXChengyuan Xu

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Overview

Randomized trial evaluates differentiated strategies for controlling fluid damage in multilayer carbonate reservoirs, highlighting effective outcomes.

Key Points

  • This research aims to identify the damage mechanisms caused by drill-in fluids in multilayered carbonate reservoirs and propose effective management strategies.
  • Integrates laboratory experiments, microstructural characterization, and field analysis.
  • Investigates fluid sensitivity, permeability damage, and fracture characteristics.
  • Proposes differentiated formation damage control strategies based on predicted invasion depths and fluid interactions.
  • Permeability damage reached 59.18%, with a stress sensitivity coefficient of 0.71.
  • Acid-soluble plugging agents sealed fractures up to 2000 μm, increasing pressure-bearing capacity by 40%.
  • Field validation resulted in a 67.27% reduction in fluid loss and 9.67% increased initial productivity.

Cite This Study

Huang et al. (2026) studied this question.

synapsesocial.com/papers/69fed10fb9154b0b8287833fhttps://doi.org/10.2118/233747-pa
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