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June 14, 2026Computational Particle MechanicsOpen Access

Numerical Study on the Transport Characteristics of Discoidal and Cylindrical Cuttings in Non-Newtonian Drilling Fluids

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Authors

BPBoxue PangMYMin YangZPZ H Pan

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Overview

Numerical study investigates cuttings transport in non-Newtonian drilling fluids, suggesting implications for oil and gas engineering.

Key Points

  • This study aims to explore how discoidal and cylindrical cuttings behave in non-Newtonian drilling fluids during transport.
  • Utilized computational fluid dynamics and discrete element method for analysis.
  • Applied the Hertz-Mindlin model to describe interactions between particles.
  • Developed a drag model considering the sphericity of non-spherical cuttings.
  • Under stable transport conditions, smaller discoidal cuttings showed maximum average velocity in suspension zones.
  • Discoidal cuttings had a higher retained volumetric fraction compared to cylindrical particles.
  • Established a binary quadratic polynomial regression model predicting retained volume fraction based on sphericity and diameter.

Cite This Study

Pang et al. (2026) studied this question.

synapsesocial.com/papers/6a2e4687b1cc60ccdea8b31bhttps://doi.org/10.1016/j.cpms.2026.06.003
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