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Keywords: simulation
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Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0028
... internal length in a bonded particle system, the observed size effect can be at least partially explained within the frame work of a nonlocal or gradient continuum theory. Upstream Oil & Gas Simulation ductility hydraulic fracturing gradient elasticity numerical simulation reservoir...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0113
... was built to verify the coupled geomechanics-flow model and illustrate the nature of flow in a dynamic fractured formation. The corresponding damage evolution during production as well as the distribution of fracture permeability and formation pressure were obtained in the simulation. The results...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0104
... increase in productivity. However, the side effect is the fast depletion of the reservoir. Therefore, more and more operators and service companies start applying refracturing treatments to enhance productivity after primary production. An integrated model is presented in this paper to simulate the full...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0125
... integrity during, for example, a casing test, requires simulations of hydration and loading history from placement until final hydration and also the knowledge of poroelastic parameters of the cement paste at every degree of hydration. Conventional laboratory experiments, such as drained or undrained...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0064
... Artificial Intelligence heat extraction rate Wang Upstream Oil & Gas fluid temperature geothermal reservoir co 2 MPa evolution wellbore geothermal development Chen gravity effect hydraulic fracturing Simulation fracture network storage fracture permeability saturation...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0130
... ABSTRACT: In this paper, we integrate hydraulic fracture and geomechanical modelling with microseismic data to quantify deformation and stress field evolution as a predictive tool, as well as to provide a calibration and microseismic workflow. Our approach utilizes simulated fractures as well...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0250
.... However, few studies have been done on the simulation of hydraulic fracture propagation under real Bakken Formation's mechanical properties and field stresses. The objective of this study was to investigate numerically the effects of the in-situ stresses and formation properties on the geometry and...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0134
.... This study presents a practical reliability-based approach, using a Monte Carlo simulation, nine simple field measurements, and three “in house” estimates to determine the stability of a granite boulder, with respect to both sliding and rocking motion. The addition of a contact percentage parameter...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0138
... Fontainebleau sandstones whether they are dry or saturated with incompressible or compressible fluids. The porous structure of these sandstones is measured with Computed Micro Tomography (CMT). The velocities of P-waves and S-waves are determined. While the simulation results are in good agreement compared with...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0222
... NNE70°. 6) The stress field in the surrounding rock was mainly concentrated within the distance of 0.5 times of the cave radius. The rotation of the principal stress mainly occurred at the end of faults and around the caves. Artificial Intelligence concentration complex reservoir Simulation...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0209
... the correlation length of the surface fluctuations is analyzed on the signal reflected by the cavities. Upstream Oil & Gas Simulation application full signal flow in porous media roughness LBM Pazdniakou Fluid Dynamics deep cavity right column adler Reservoir Characterization...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0240
... observed in different cases due to the fact that different perforations parameters were not properly designed. Fracture geometry is directly influenced by orientations of perforations. The objective of this study is to numerically simulate the hydraulic fracturing lab experiments which were done on 10cm...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0233
... more than 2.3 trillion barrels of heavy oil. Their behavior is simulated with various macro-scale continuum methods, and discontinuum methods at various scales help understand macro-scale jointed rock mass behavior as well. Little is done at the microscale, despite clear evidence of damage related to...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0223
... Artificial Intelligence orange line experiment rockfall trajectory trajectory calibration terrain modern 3-dimensional simulation tool Upstream Oil & Gas Simulation rockfall caviezel eota 221 780kg trajectory reconstruction coefficient rockfall experiment bartelt bühler...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0361
... Driven Hydraulic Fracturing in Open Hole Completions: Numerical Simulations of Lab Experiments Nejma Djabelkhir Petroleum Engineering Department, University of North Dakota, Grand Forks, USA Xueling Song Petroleum Engineering Department, China University of Petroleum (UPC), Qingdao, China Xincheng Wan...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0224
.... It was implemented into a finite element and validated by reproducing a wellbore erosion simulation. Secondly, the solid skeleton behavior has been simulated by a novel elasto-plastic sand-silt mixture model which accounts for the effect of porosity and fines content on the degraded mechanical...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0249
... heterogeneity. As such, accurate fracture modelling and simulation can greatly decrease the uncertainties in the process and reduce the risks to the assets. Hydraulic fracturing is a multi-physics application that couples fluid driven solid deformation, fracture propagation, fluid flow in porous media and...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0146
... ABSTRACT: Stimulation of pre-existing natural fractures is considered to contribute significantly to hydrocarbon production from unconventional shale reservoirs. An effective natural-fracture simulation may occur in mixed normal and shear modes due to the misalignment of the natural fractures...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0362
... of the natural fracture. In some cases, stress shadowing effects can even close the hydraulic fracture. Stress rotation around the natural fracture can make hydraulic fracture geometry complex, demanding more computational capacity and time to run numerical simulations. The neural network is a tool...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0434
... end, perforation target experiment and numerical simulation are carried out to analyze the formation process and compaction zone morphology in this paper. First, the SCP experiment is carried out to construct three-dimensional sandstone target hole morphology, and a Smoothed Particle Hydrodynamics...

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