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Keywords: modeling
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Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1030
... optimization requires a desirable fragment size distribution as well as controlled blast vibration at concerned locations. An integral system for accurate monitoring and modeling rock fragmentation and blast vibration is required. All parts of the integral system need to be applied parallel for a successful...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1737
..., are unique to each rock. Nevertheless, it remains largely unclear how the differences in material-specific creep responses at the laboratory scale impact the time-dependent deformation of shale gas rocks at the field scale. Here, we address this question through a combination of constitutive modeling...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1465
... ABSTRACT: Based on the available data and the specific geological characteristics, a comprehensive integrated workflow for 3D geomechanical modelling was developed and validated by the application to a Montney gas play. The main steps include: 1) structural framework set-up; 2) 1D...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1671
... ABSTRACT: Enhanced Geothermal System (EGS) has gained great attention since it delivers a geographically disperse, carbon-free energy without the environmental impact. The thermal fracture network also significantly contributes to the energy extraction of EGS. The objective of our EGS model...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1608
... ABSTRACT: A meshing technique is detailed which is suitable for large scale finite element modeling of solution mines in salt and potash. Two related criteria impacted the development of this technique. First is the selection of the reduced-integration, stabilized, 8-node brick finite element...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-0012
... ABSTRACT: This paper presents a kinematic approach for blast modeling with examples of a few blast models that were developed previously. A kinematic approach was adopted in these blasting models, which were applied successfully in field applications. A kinematic approach to blast modeling...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0103
... ABSTRACT: We revisit the problem of the propagation of a plane-strain fluid-driven fracture in a quasi-brittle impermeable medium accounting for the presence of a fluid lag. The fracture process zone is simulated using a linear-softening cohesive model while lubrication flow accounts...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0360
... planning to provide a cost-effective solution to the sanding problem. Reservoir Characterization Upstream Oil & Gas well logging reservoir geomechanics drawdown log analysis sand production Zubair reservoir horizontal stress sand-production prediction modeling prediction reservoir...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0224
... of the solid phase, the mechanical properties of the soil are progressively degraded, and, with time, earthen structures are under considerable risk of failure. Research on this topic is still fairly new and much more needs to be understood. In this study, a hydro-mechanical model based on porous continuous...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0373
... ABSTRACT: This paper shows how to integrate several disciplines to characterize and model one of the most important tight oil fractured reservoirs in Algeria to explain its productivity. Seismic data, seismic attributes, well correlation, core, and borehole data are integrated to understand...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0415
... ABSTRACT: An approach for constructing a multi-scale parametric Rock-Physics model of effective elastic properties of fractured reservoir rock is presented. The approach provides a link between three scales - core, log and seismic that correspond to conventional works with reservoir rocks...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1540
... ABSTRACT: This study focuses on numerical 3D modeling to analyze the long-term barrier integrity of bedded salt under consideration of thermal loading caused by heat-generating radioactive waste disposal. As a basis for the model calculation, a literature review of appropriate constitutive...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1807
... ABSTRACT: A series of tracer tests have been performed to characterize the stimulated fracture network in Experiment 1 of the EGS Collab project. In the present study, we use a brute-force, Monte Carlo approach to model one of the conservative tracer tests and characterize the flow patterns...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2187
... heterogeneous reservoir hindered effective stimulation optimization. In searching for the recipe to boost the production performance of the reservoir, a new integrated stimulation optimization workflow was applied to a pad in the field. The workflow started from construction of 3D geological model based...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2058
... ABSTRACT: CFD modeling encompassed the simulation of flow in the annulus, and a comprehensive effort has been made to understand the flow dynamics using the numerical results. CFD simulation included study of flow in two cross-sectional planes - (a) axial cross-section and (b) horizontal...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2084
... and production parameters. In this work, we report results from detailed numerical modeling of the cyclic steam stimulation of a heavy oil reservoir. A fully coupled thermo-hydro-mechanical finite element model has been employed for characterizing the complicated process involving multiphase fluid flow, heat...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2046
... for both triaxial compression tests and creep tests on samples coming from different geological depths. It is found that the proposed model is able to provide the main features of mechanical behavior of shale rocks and in particular account for the spatial variation of both elastic and plastic properties...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2137
... are conducted. The laboratory mechanical testing provides insight for the bearing capacity of carbonate rock and assists calibration for numerical modeling. Discrete element method (DEM) is used in this study to establish wellbore model. To characterize the anisotropy of pore space and microcracks, smooth-joint...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0455
... and a simplified analytical model is presented to simulate the natural fractures' stress-sensitive effects on production. machine learning complex reservoir flow in porous media Fluid Dynamics Simulation modeling natural fracture hydraulic fracturing element method calculation Artificial...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1793
... increasing drawdown on producers. Aside from including cement and casing as structural elements, the modelling incorporated a subsurface u stress model, geological horizons from a full-field geomodel, and pore pressure profiles from a reservoir simulator. The goal was to define specific failure onset time...

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