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September 27, 2025ProcessesOpen Access

Experimental Study on the Effect of Drilling Fluid Rheological Properties on the Strength of Brittle Mud Shale

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Authors

WWWei WangYZYi ZhangFDFeng-Ke Dou

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Overview

Experimental study reveals that drilling fluid rheological properties significantly influence rock strength in brittle mud shale, suggesting optimal fluid parameter management.

Key Points

  • Increased viscosity of drilling fluids reduces rock strength loss in brittle mud shale.
  • Hydration dispersion is minimally affected by drilling fluid rheological properties with rolling recovery rates above 90%.
  • Brittle mud shale strength reduction of 69.8% after 144 hours in distilled water at 5 MPa confining pressure.
  • Fracture intensity index and soaking time increase the negative impact of drilling fluids on rock strength.

Cite This Study

Wang et al. (2025) studied this question.

synapsesocial.com/papers/68d7b3e2eebfec0fc5236c01https://doi.org/10.3390/pr13103059
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