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Keywords: modeling
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Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0103
... 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 for the...
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
... initiation and development under multi-stage seepage flows and complex stress states, as well as on the stress-strain behavior of eroded soils. More recently, internal erosion has been modeled by several numerical methods in order to enhance the design of hydraulic works. All these studies have adopted...
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-2019-0455
... 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-2019-0415
... 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 in...
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
... 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
... presented 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...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2187
... Artificial Intelligence structural geology Reservoir Characterization Thickness shear slowness optimization problem stimulation parameter Simulation reservoir geomechanics machine learning production rate wellbore neural network modeling ordos basin minimum horizontal stress...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2137
... 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-2019-1540
... 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-2019-1810
... ABSTRACT: Sorptive rocks like coal and shale are considered transversely isotropic for purposes of flow and geomechanical modeling. The factors responsible for anisotropy in rocks are either its inherent rock structure or, stress-induced. In this study, we present an experimental procedure to...
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...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1807
... chemical tracer geothermal reservoir tracer test analysis modeling stimulation hydraulic fracture eg collab project Tracer Transport hydraulic fracturing flow pattern conservative tracer test realization Upstream Oil & Gas natural fracture heterogeneous aperture fracture...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-604
... ABSTRACT: Pre-seismic poroelastic stress generated by quasi-static fluid perturbation is a centerpiece of information specific to injection-induced seismicity. To this day, there exists no fault rupture model that considers the fault poroelastic stress in the coseismic dynamic rupture process...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-808
... ABSTRACT: Accurate prediction of softening and failure behavior of rocks are essential to hydraulic fracturing simulation using strain-softening type models. Failure to preserve the fracture energy causes these continuums based numerical models to suffer from mesh-size dependency. The virtual...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-568
... of rock. This study investigates the effect of grain contact strength heterogeneity on brittle rock failure. Based on a two-scale tessellation technique in an open source code Neper, a 3DEC grain-based modeling (GBM) approach considering inter- and intra-grain contact failures is used to study the...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-007
... provide a test bed for the validation of thermal-hydrological mechanical‐chemical (THMC) modeling approaches as well as novel monitoring tools. Reservoir Characterization orientation stimulation hydraulic fracturing modeling Stanford University Upstream Oil & Gas Oldenburg laboratory...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-052
... ABSTRACT: A probabilistic multiscale modeling for predicting poromechanical properties of shales is presented. To this end, a framework of experimental characterization, physically-based multiscale modeling and uncertainty quantification that spans from nanoscale to macroscale is utilized. To...

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