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March 5, 2026Frontiers in Earth ScienceOpen Access

Numerical simulation of hydraulic fracture propagation and stimulation effectiveness under in-Situ stress conditions

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Authors

SXShuang XuYZYichao ZhaoYCYu Cao

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Overview

Reveals optimal parameters for hydraulic fracturing effectiveness in coal seams, indicating improved mining safety.

Key Points

  • This research aims to understand how in-situ stress and other factors affect hydraulic fracturing in coal seams.
  • Conducted true triaxial physical experiments and numerical simulations.
  • Analyzed effects of in-situ stress, fracture pressure, and interlayer interface on fracturing.
  • Employed acoustic emission monitoring to track crack development in real-time.
  • Optimal fracturing pressure range is determined to be 31.50–36.00 MPa.
  • Moderate water injection rate of 7.5–10.0 mL/min enhances interlayer connectivity.
  • Rock heterogeneity affects fracturing, with complex cracks forming in heterogeneous rocks.

Cite This Study

Xu et al. (2026) studied this question.

synapsesocial.com/papers/69a91d21d6127c7a504bfe57https://doi.org/10.3389/feart.2025.1657740
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Numerical Simulation of Fracture Propagation and Damage Evolution in Coal Seam Under Controlled High-Energy Shock Wave Fracturing2025
  2. 2Numerical Modelling and Experimental Validation of Hydraulic Fracture Propagation in Coal Reservoirs: A Case Study From Guizhou, China2026
  3. 3Large-Scale Mine Experimental Study on the Crack Extension Law of Deep-Seated Coal Rock2026
  4. 4Experimental and Numerical Investigation on Fracture Propagation Sensitivity Parameters in Deep Coal Seams2024
  5. 5Simulation and optimization of hydraulic fracturing in deep coal-rock reservoirs2026