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Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1577
... with and without the application of this technique. 1. Introduction Most of the developments and constructions of the "Proyecto Andes Norte" CODELCO's division, ‘El Teniente’ are located in a complex environment regarding the geological and geomechanical perspective, where structural, geological conditions...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1618
... fracturing support scheme crack growth upstream oil & gas hard roof strata deflection goaf area superposition method foundation condition abutment loading foundation expression strata application analytical model elastic foundation ARMA 21 1618 Failure of Hard Roof Strata in Underground...
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 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-0017
... reservoir characterization classification material 2 metals & mining pakalnis support 1 upstream oil & gas displacement square excavation application excavation invert shotcrete design chart horseshoe profile ground condition bieniawski rock mass material 1 recommendation support...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1180
... instability stability excavation application support pressure hong kong rock mass rock mass condition ARMA 21 1180 Discrete Fracture Network Approach in Ground Support Design Optimisation for Large Span Cavern in Jointed Rock Mass Haryono, I. S. Golder Associates (Hong Kong), Hong Kong, People s...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1967
... project risk, provide insights into reservoir behavior, and potentially forecast production. upstream oil & gas simulation dfn renewable energy stimulation phase prediction fracture aperture natural fracture hydraulic fracturing model prediction simplification application fracture...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1189
...-specific constitutive equations relating strains to stresses for hydrostatic, uniaxial and triaxial tests and arrange these into a system of equations that are readily inverted for the full set of nonlinear elastic moduli. With measured static third-order elastic constants, geomechanical applications...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-2129
... ABSTRACT: All subsurface stress measurement methods available for deep subsurface applications are indirect and result in significant remaining uncertainty in the state of stress. Quantifying these uncertainties is critical for applications where the state of stress is a component of a risk...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-2141
..., surface modification and emulsification are used to disperse these grained silica. The liquid nano-silica with a median particle diameter of 162 nm can stay in stable for more than one year and it is convenient for field application. This kind of liquid nano-silica contains multiple functions due to its...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-2010
... measurements and observations are upscaled and/or homogenized to the element size. Naturally, toughness is one of the most delicate physical parameters to handle as application of the homogenization techniques are rather questionable here (Caiulo and Kachanov, 2010, Kachanov, 1994) and proposed averaging...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-2012
... rheological property completion equipment correlation drilling fluids and materials janeiro operation reliability fernande scenario reduction nanoparticle university carbonate schnitzler brazil application bop fracture ARMA 21 A-2012 Drilling and Completion Technologies for Pre-Salt...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-2027
... from laboratory experiments could be transferred to field applications. In this study, we address a number of challenges associated with transitioning from laboratory to the field. We use transfer learning and stacked generalization to investigate how the knowledge gained from one experiment could...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-2040
... to investigate the mechanisms that control wave velocity, dispersion, and attenuation (Zhai et al., 2020). In addition, though indirectly related to this work, modelling of flow through granular beds is common in chemical engineering applications (Carman, 1997). The Discrete Element Method (DEM) has been...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-2076
... data metals & mining trueness application lidar data quality change detection evaluation machine learning upstream oil & gas monitoring deformation analysis slam-based mobile lidar workflow stencil 2 data collection mms data precision scan station point cloud epoch ARMA 21...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1914
... application for UCS prediction in the practical drilling operations that will save extra cost and time. Introduction Building the reservoir geomechanical model requires the rock strength UCS data that represents the maximum limit for the rock compressive strength without failure in case of applying...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-0014
..., mining, and other industries. However, understanding the mechanical integrity and peak strength of these cement systems are important for improving their applicability at varying in-situ-pressure and temperature conditions. Here, we experimentally investigated the mechanical integrity of the microbial...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1214
... favorable. However, using PDC bits in these types of rocks has been practiced in many laboratories and field applications. PDC bits that were specially designed for drilling granite and quartzite rocks have been studied by researchers in recent years. Several novel cutting structure enhancements have been...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1347
... of brittle materials. In this view, this paper presents an application of an innovative testing methodology named AUSBIT ( Adelaide University Snap-Back Indirect Tensile test ; patented in Australia) to control the cracking process of disc specimens under diametrical compression. This methodology uses...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1593
...). However, its application is often limited due to the complicated operational process, high operational risk and operating costs (Carlson et al., 1992). With the development of technology, mechanical screens gradually become one of the most used downhole sand control tools in the oil industry. At present...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1669
... model carbonate formation wellbore integrity neural network sonic log application neuron sonic travel time ARMA 21 1669 Data Driven In-Situ Sonic Log Synthesis in Carbonate Reservoirs Hadi, F.A. University of Baghdad, Baghdad, IQ Nygaard, R. University of Oklahoma, Norman, OK, US Copyright...

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