Simulation and Experimental Assessment of Advanced Polymer-Nanoparticle Systems for Sand Consolidation in Unconsolidated Reservoirs

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Key Points

The study assesses polymer-nanoparticle systems for sand consolidation in unconsolidated reservoirs under multiphase flow conditions.
Used experimental and numerical simulation approaches.
Conducted laboratory experiments with varying concentrations of polymer-nanoparticle solutions.
Evaluated mechanical strength, permeability retention, and sand retention efficiency using uniaxial compressive strength testing and SEM analyses.
Simulated consolidant processes using COMSOL Multiphysics software.
Increased polymer and nanoparticle concentrations enhanced mechanical strength (UCS up to 2670 psi).
Higher concentrations negatively impacted permeability retention due to pore blockage.
Optimal formulation of 0.5 wt.% polymer and 0.2 wt.% nanoparticles achieved over 2000 psi UCS while maintaining permeability retention above 70%.
Formulation demonstrated stable differential pressure profiles and negligible sand production under multiphase flow.

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Experimental and numerical simulation reveals improved mechanical strength with polymer and nanoparticle treatment under multiphase flow.

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Ismayilov et al. (2026) studied this question.

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