A study of inter-stratum propagation of hydraulic fracture of sandstone-shale interbedded shale oil

Article Energy & Fuels

Crack propagation patterns and factors controlling complex crack network formation in coal bodies during tri-axial supercritical carbon dioxide fracturing

Hao Yan et al.

Summary: Supercritical carbon dioxide (SC-CO2) fracturing is an environmentally-friendly waterless mining technology that has attracted increasing attention during the safe mining of coal resources. Laboratory tests were used to study the fracturing process of coal bodies, revealing the theoretical guidance for applying and promoting SC-CO2 fracturing in coal mines.

FUEL (2021)

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Article Mechanics

Hydraulic fracture vertical propagation behavior in transversely isotropic layered shale formation with transition zone using XFEM-based CZM method

Peng Tan et al.

Summary: This study established a numerical model considering the transition zone and investigated the effects of various factors on the vertical propagation behavior of hydraulic fractures. The results showed that the transition zone significantly influenced fracture tortuosity, with different factors having varying degrees of influence on vertical fracture propagation.

ENGINEERING FRACTURE MECHANICS (2021)

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Article Mechanics