Results 31 to 40 of about 54,858 (313)
Shock and Vibration, 2022 For the purpose of uncovering the influence law on the explosion stress wave transmission and blast-induced crack propagation by inclined natural fracture and water jet slot, the influential mechanism for the transmission law of explosion stress wave due
Dengfeng Su +6 more
doaj +1 more source
Numerical Simulation of the Fracture Propagation Mechanism during Supercritical Carbon Dioxide Fracturing in Shale Reservoirs [PDF]
, 2022 To investigate the fracture propagation mechanism during supercritical CO2 fracturing in shale reservoirs, a numerical model was proposed based on the displacement discontinuity method.
Fengxia Li +4 more
core +1 more source
Three-dimensional simulation of hydraulic fracture from a borehole using XSite
Yantu gongcheng xuebao, 2021 To recognize the three-dimensional near-wellbore propagation of hydraulic fracture, XSite, a simulator developed based on the lattice method and the synthetic rock mass, is used to analyze the influences of borehole orientation and in-situ stress on the ...
ZHAO Kai-ka i1, 2, 3, ZHANG Zhen 1, 3, 4, LI Wen-zhou 1, 3, 4, WANG Xiao-hua 5, 6, YI Kang 1, 3, 4, SUN Zhuo-yue 1, 3, 4
doaj +1 more source
The Investigation on Initiation and Propagation of Hydraulic Fractures in Shale Reservoir
Geofluids, 2021 Hydraulic fracturing is a necessary technique for shale gas exploitation. In order to have efficient stimulation treatment, a complex fracture network has to be developed, whereas with rich bedding planes and natural fractures, the mechanism of forming a
Xiangjun Liu +5 more
doaj +1 more source
Meitan kexue jishu, 2023 The morphology of complex fracture network in hydraulic fracturing engineering in deep tight oil and gas reservoir is a crucial factor affecting oil and gas recovery, and it is necessary to accurately evaluate and optimize the fracture propagation ...
Yongliang WANG, Nana LIU, Hao WANG
doaj +1 more source
Hybrid phase-field modeling of multi-level concrete gravity dam notched cracks
Fracture and Structural Integrity, 2022 Phase-field models have become a powerful tool to simulate crack propagation. They regularize the fracture discontinuity and smooth the transition between the intact and the damaged regions. Based on the thermodynamic function and a diffusive field, they
H. Mazighi +2 more
doaj +1 more source
Experimental and Numerical Simulation of Interlayer Propagation Path of Vertical Fractures in Shale
Frontiers in Energy Research, 2021 The complex fracture network formed by volume fracturing of shale gas reservoir is very important to the effect of reservoir reconstruction. The existence of bedding interface will change the propagation path of the hydraulic fracture in the vertical ...
Dong Xiong +4 more
doaj +1 more source
Hydraulic fracture propagation in naturally fractured reservoirs: Complex fracture or fracture networks [PDF]
Journal of Natural Gas Science and Engineering, 2019 Understanding the behavior of fluid-driven hydraulic fracture in naturally fractured reservoirs is crucial in the development of geothermal energy and unconventional reservoirs. This study presents a fully-coupled numerical model to investigate hydraulic propagation in naturally fractured reservoirs, along with a comprehensive discussion on field ...
openaire +2 more sources
Buoyancy-driven crack propagation from an over-pressured source [PDF]
, 2005 The propagation of a liquid-filled crack from an over-pressured source into a semi-infinite uniform elastic solid is studied. The fluid is lighter than the solid and propagates due to its buoyancy and to the source over-pressure.
Roper, S.M. +3 more
core +1 more source
A thermodynamically consistent derivation of a frictional-damage cohesive-zone model with different mode i and mode II fracture energies [PDF]
, 2015 The present paper deals with the derivation of an interface model characterized by macroscopic fracture energies which are different in modes I and II, the macroscopic fracture energy being the total energy dissipated per unit of fracture area.
Serpieri, R +3 more
core +1 more source