... an isotropic condition. The analysis results indicated that anisotropy significantly affects stress and strain distributions. The proposed model was further applied to analyze the injection response in a slate geothermal site. The analysis results revealed that the proposed model could reasonably simulate...

.... The second mechanism is related to proppant inertia, whereby some particles are unable to follow the fluid streamlines and miss the perforation. In this paper, a mathematical model is developed to simulate both of these physical phenomena and is calibrated against available experimental and computational...

... ABSTRACT The goal of this paper is to provide an overview of numerical simulation results aiding the development of a novel pulsed combustion-based wellbore fracturing technology. The technology can be used as a pre-conditioning and stimulation tool for in-situ recovery and cave mining...

... outcrop coal samples were collected and cut to 10cm × 10cm × 10cm for fracturing physical simulation. The in-situ stress (stress-difference) of the LinXing(LX) coalbed (2000m vertical depth, Shanxi China) was used as confining stress of the experimental samples. Stimulated fracture surface area calculated...

.... In the current state uncertainties still remain with respect to the numerical simulation of crushed salt compaction processes, especially in the low porosity range (≤ % 5). This paper presents an approach for the modification of a constitutive model formulation implemented in the finite-element code CODE_BRIGHT...

... of model outcomes to be simulated. The analysis also found that the relationships to determine rock mass modulus that do not incorporate the elastic modulus as determined during laboratory testing all produced significantly higher rock mass modulus values than those that incorporated the laboratory data...

... and collapse time was discussed. Moreover, the cavitation damage towards the concave wall was preliminarily revealed. The simulated results show that the shrinkage process of a cavitation bubble near a concave wall mainly includes a jet penetration stage and a collapse stage. Increasing θ leads...

... clastic rock geologist sedimentary rock geology fracture tight gas geological subdiscipline complex reservoir china government upstream oil & gas asia government hydraulic fracturing rock type simulation stress difference natural fracture field-scale fracture propagation...

..., the coupled flow-geomechanics numerical simulation is conducted to simulate the real process of fluid flow through a real pore structure. The fluid flow inside pores is described by the laminar flow, and calculate the pore volume change by elasticity theory. Permeability is calculated by Darcy's law...

... government radial borehole propagation behavior experiment morphology azimuth simulation horizontal in-situ stress in-situ stress fracture propagation behavior deflection angle element method hot dry rock fracture network ARMA 23 0398 Numerical analysis of fracture propagation behavior in hot...

... fracture simulation interface transition mechanism propagation stress jump heterogeneity hydraulic fracture penetration depth toughness jump ARMA 23-0711 Arrest Mechanisms of Buoyant Hydraulic Fractures Möri, A. and Peruzzo, C. and Lecampion, B. Ecole Polytechnique Fédérale de Lausanne (EPFL...

... ABSTRACT In recent years, digital core technology as an emerging numerical simulation method has been widely used in many fields. In this paper, the three-dimensional pore throat structure of sandstone was extracted by digital core computed tomography (CT) technique. And establish a core's...

... for the permeability changes associated with the fracture opening. By combining the scaling analysis and numerical simulations, we examine the evolution of both the shear and opening fronts as a function of the hydro-mechanical properties of the pre-existing discontinuity, in-situ stress state, and the fluid injection...

... geomechanics reservoir characterization geology china government stress difference condition conventional hf frequency experiment fracture network fracture morphology geological subdiscipline csf fracture initiation hdr united states government peak pressure fracture propagation simulation...

... geologist drillstem/well testing mathematics of computing geology sedimentary rock clastic rock wellbore design drillstem testing reservoir surveillance plastic strain reservoir geomechanics australia government simulation wellbore integrity production control reservoir pressure...

...+ resulting in barium carbonates (BaCO 3 ) precipitation. Both a simplified fracture and a complex fracture geometry extracted from real shale images are considered. Simulations with a wide range of Pe and Da numbers are carried out to systematically study their effects on dissolution/precipitation patterns...

... in determining the effective stresses in-situ and changes due to thermal, hydraulic and mechanical loadings. This paper presents a method to determine the Biot coefficient of low-permeability porous media accounting for undrained loading. We conducted experiments and numerical simulations to show...

... exchanger social responsibility geologist flow rate ground surface united states government representative value reservoir characterization outlet temperature coaxial bhe san diego field test outlet fluid temperature application formation property simulation operation california ARMA 23...

... simulation results and the confining pressure and the well depth is analyzed. The results show that the confining pressure can greatly increase the mechanical strength characteristics of rock, and the rock strength increases faster and faster with the increase of well depth. INTRODUCTION Oil and natural...

... geomechanical, geological and geophysical characterization data. This model was then implemented using a discrete fracture network (DFN) approach, to facilitate simulation of induced (tensile) hydraulic fractures, and reactivation of pre-existing natural fractures. INTRODUCTION The geometry of natural...