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September 10, 2025Physics of Fluids

Research on the propagation laws and influencing factors of hydraulic fractures in deep shale reservoirs based on the three-dimensional discrete lattice method

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Authors

YHYongquan HuXLX. LiJZJinzhou Zhao

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Overview

Numerical simulations reveal effects of injection rate and cluster spacing on hydraulic fractures, suggesting optimal conditions for effective fracturing.

Key Points

  • Increasing injection rates and cluster spacing enhances the number of effective hydraulic fractures.
  • When cluster spacing is increased from 6 to 10 m, a rise in injection rate from 0.05 to 0.30 m3/s leads to over 40% more initiated clusters.
  • Higher horizontal stress differences promote the formation of regular and straight hydraulic fractures.
  • As the natural fracture approach angle increases, hydraulic fractures transition from being captured to crossing them, enhancing complexity.

Cite This Study

Hu et al. (2025) studied this question.

synapsesocial.com/papers/68c1b82654b1d3bfb60ec89ahttps://doi.org/10.1063/5.0281856
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