... to simulate an unconfined compressive strength (UCS) test to assess the influence of the mineralogical characteristics on the UCS. 1. INTRODUCTION The type of catastrophic failure in coal mines known as dynamic failure—also colloquially referred to as bumps, bounces, bursts, and others—is one of the most...

... parameters of particles, fluids and fractures, the distribution of flow field and pressure field in complex fractures, and the mechanism of action is complex. Scholars have carried out a lot of research based on indoor physical experiments and numerical simulation methods. geology hydraulic...

... in the reservoir with high injection pressures. Overall, the most likely mode of failure is possible tensile failure in the caprock and this defines the safe operational limit for the Frigg Sand reservoir. Thorough analyses using a field-scale finite element simulation coupled with the reservoir flow dynamic...

... introduced. Then, a series of numerical simulation was conduct to investigate the effect of pre-fluid, injection rate, natural fractures by using unconventional reservoir model (UFM). Finally, the field application of differential staged fracturing was performed and post-fracturing effect was evaluated...

... ABSTRACT: Reliable prediction and uncertainty quantification of hydraulic fracture propagation behavior are crucial aspects of unconventional reservoir development, however, their implementations are largely restricted by the huge computational cost of the high-fidelity model simulations. We...

...-specific, making them less applicable to all geological and loading conditions. Advancements in computational power have made it feasible to utilize numerical tools to simulate and analyze complex deformation behavior effectively. Discrete Element Methods (DEM) are more suitable than continuum modeling...

... and cracking of carbonate rocks. This study focuses on carbonate reservoirs, representing them using calcite crystals. Molecular dynamics simulation is employed to investigate stress corrosion cracking in pre-cracked calcite crystals under fluid interaction. By comparing the cracking behavior of calcite...

... (ROP), etc., which will bring significant time costs and economic losses. In this paper, a CFD-DEM coupling model is built to accurately simulate the dynamic transport process of cuttings. For the liquid phase, the Euler method is used to describe its motion characteristics through the flow field...

... geological subdiscipline optimization chengdu university evolution hydraulic fracturing reservoir geomechanics reservoir characterization inter-well interference fracture geometry coupling cluster abaqus rock mech rock type mudstone china simulation fracture propagation ARMA 24 70 Four...

... injection methods were simulated. Following research results were obtained. The strong filtration loss of low-viscosity fracturing fluid leads to a shorter fracture height and tends to open the bedding planes. Increasing the viscosity can significantly enhance the penetration capacity of the hydraulic...

... value of wall displacement is presented. A series of FEM simulation is also presented, including the case for not fully / partially supported simulation. Observations of practical interest arising from the comparison of the analytical and numerical results are discussed. 1. INTRODUCTION...

... cavern underground storage structures. Using a self-developed numerical tool, i.e., CASRock, the effect of different interlayer contents on an adjacent cavern's safety are examined numerically. Numerical simulations indicate that caverns containing a higher interlayer content demonstrate superior...

... of thermal depletion on hydraulic fracture permeability considering a non-linear elastoplastic geothermal reservoir response. We utilize three-dimensional numerical simulations based on effective medium theory of fractured rocks to implicitly account for natural fracture compressibility and strength. Results...

... reservoir characterization hydraulic fracturing fracture experiment reservoir geomechanics geological subdiscipline young borehole simulation element method hydraulic fracture finite-discrete element method mathematics of computing wellbore integrity radial borehole propagation propagate...

... and the interaction between hydraulic fracture and grid-like fracture, we employed a Unconventional Fracture Model (UFM) based on the boundary element approach in this paper to simulate the fracturing process in fractured carbonate reservoirs. The effects of key geological and engineering parameters such as fracture...

... and further illustrated long time cementing development by simulations. Based on relative value of viscosity, the displacing process are separated into two patterns, call P-1 and P-2. In P-1 pattern, the viscosity of displacing fluid is larger than that of displaced fluid. Interface of two fluids is a regular...

... ABSTRACT: Simulating the structural response of concrete and reinforced concrete structures to blast loading conditions is a challenging task, as it requires modeling the fracture and fragmentation processes in this composite material with reasonable computational efficiency for large scale...

... conducted simulations to gather data to be able to study the potential of these algorithms to facilitate automatic monitoring and detect defects. The results indicate that machine learning can significantly enhance the predictive maintenance of thrust bearings, with XGBoost achieving a leading accuracy...

... sheath barrier numerical simulation simulation mesh subsidence displacement depletion construction numerical approach regression reservoir compactation ARMA 24 1058 Numerical Approach to Evaluate Cements Sheath Barrier During Reservoir Compactation in Vertical Oil Wells Velilla, J.D.U GTEP...

..., and three-point bending tests. A participating team from Montana Tech and the University of Washington – Tacoma employed multiple methods including the distinct element method (DEM) using Itasca's Particle Flow Code (PFC3D) to simulate the experiments (Johnston, 2023). Although the traditional bonded...