Required strength of geosynthetic-reinforced soil structures subjected to varying water levels using numeric-based kinematic analysis

Zhang, Z.L.; Li, Z.W.; Hou, Chenliang; Pan, Qiujing

doi:10.1016/j.geotexmem.2022.08.007

Cited by 4 publications

(2 citation statements)

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“…4,5 Horizontal well fracturing is a technology pivotal for the extraction of shale gas reservoirs and has been widely used in practical engineering to form fractures and achieve high-conductivity shale gas channels. 6,7 The intricate structure of laminated sedimentary rocks gives rise to a multitude of geological discontinuities, 8 including bedding and natural fractures, leading to the distinct anisotropic characteristics observed in shales. 9 Furthermore, the presence of spatial heterogeneity has a significant influence on fracture propagation and the formation of complex fracture networks, which poses challenges in predicting the propagation morphology of fractures.…”

Section: Introductionmentioning

confidence: 99%

“…Shale gas is considered a good substitute for traditional energy sources owing to its abundant reserves and environmental performance, 3 and its exploitation and utilization have attracted increasing attention 4,5 . Horizontal well fracturing is a technology pivotal for the extraction of shale gas reservoirs and has been widely used in practical engineering to form fractures and achieve high‐conductivity shale gas channels 6,7 …”

Section: Introductionmentioning

confidence: 99%

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Hydraulic fracturing behavior of shale–sandstone interbedded structure under true triaxial stress conditions: A comprehensive experimental analysis

Sheng,

Yang,

Wang

et al. 2024

Fatigue Fract Eng Mat Struct

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Reservoirs characterized by shale–sandstone interbedded structures are extensively dispersed throughout China, and understanding the propagation mode of hydraulic fractures is a prerequisite for shale gas exploitation engineering. In this study, hydraulic fracturing tests were conducted using horizontal wells subjected to true triaxial compression conditions to elucidate the mechanism by which the initiated layer lithology and stress state influence the fracture morphology. Furthermore, the propagation mode of the fractures and the consequential effects on fracture network formation were investigated. The findings demonstrate four distinct interaction modes between the shale–sandstone interfaces and hydraulic fractures. The lithology of the initiated layer influences the fracture propagation trajectory, thereby affecting the propagation modes at the shale–sandstone interface and resulting in varying effects on layer penetration. The stress difference exerts a significant controlling influence on the fracturing behavior, enhancing the possibility of interconnecting multiple rock layers characterized by substantial stress differences.

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