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Keywords: investigation
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Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-0015
... ABSTRACT: This paper investigates experimentally proppant flow and transport through intersected slots at angles representing interaction between pre-existing and new fractures. Proppant is small granular material, placed in hydraulic fractures during geothermal and hydrocarbon reservoir...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1645
..., it is necessary to investigate the mechanical properties and in-situ stresses situation of CMSR. In this paper, the mechanical parameters, deformation characteristics and in-situ stress tests in coal measure shale reservoir are studied, thus the vertical difference of different rock, including coal, shale...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1321
... in layered strata. Xing et al. (2018) investigated the influence of interface cementing strength, stress difference on the vertical propagation behavior of the fracture. Tan et al. (2017) summarized the fracture geometries in sandstone coal interbedding and studied the effect of geological and engineering...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1355
.... A laboratory experiment is conducted to investigate the heat transfer intensity of liquid nitrogen (LN 2 ) in a circular tube under conditions similar to fracturing. A prediction model of heat transfer coefficient for LN 2 is derived. A transient numerical model is developed to simulate the fluid flow...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1758
... gas liquified natural gas corrosion management equation of state mechanism upstream oil & gas investigation crack propagation quartz chemical reaction atom propagation interaction stress corrosion ARMA 21 1758 Investigation of Stress Corrosion Cracking in rocks, a reactive...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1146
...-existing fractures by three different presetting methods in the PMMA samples and true triaxial hydraulic fracturing tests were performed to investigate the effect of various presetting methods on fracture interaction behavior. Results indicated that PMMA with fully glued presetting fracture is much similar...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1164
... mechanical properties elastic property mb sample investigation clay mineral hardness subsurface storage constituent phase gpa structural geology nanoindentation technique co 2 saturation carbonate matrix ostadhassan homogenization scheme mineral ARMA 21 1164 Homogenization Models...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0124
... into the fractures and may lead to further propagation. It is currently subject of research to investigate the process of thermally-induced and gas-pressure driven fracturing as part of safety assessment of gas storage caverns. The question to be answered is, if fracturing occurs, how far do cracks penetrate...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0038
...), Terrestrial Digital Photogrammetry (TDP), and Unmanned Aerial Vehicle Structure-from-Motion (UAV-SfM) are being progressively employed for landslide investigation and risk assessment. These methods allow acquisition of three-dimensional (3D) data sets from previously inaccessible terrain with sub-centimeter...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0137
... is greatly affected by the magnitude of the rock strength parameters thus it should be involved in wellbore stability investigation. Determination of the degree of anisotropy can be measured by several approaches, one of which is using elastic waves. In this study, the compressive strength of the rocks from...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0016
... to find mitigation measures for rockbursts. Recently, an M2.8 rockburst occurred in the mining drive at 1440 meter level underground on 16 January, 2018. In order to understand the mechanism of the rockburst, three major steps were taken. These were field geotechnical investigation, followed by uniaxial...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0305
... ABSTRACT: Thermal weakening of rocks is a well-acknowledged phenomenon. However, some experimental results reveal that some rocks are strengthened due to heating in a relatively low temperature regime (25°C to 175°C). In order to investigate the mechanisms of such strengthening phenomenon...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0275
... Reservoir Characterization structural geology Artificial Intelligence fluctuation Egypt discontinuity investigation fracture rock slab lateral fracture tomb relative humidity displacement variation stability the valley aperture King proceedings rock mass bedding plane 1 1...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1561
... recovery flow performance complex reservoir McMurray Formation Mahmoudi oil sand SAGD Upstream Oil & Gas Alberta thermal method investigation aperture size wire-wrapped screen operation SAGD well Scenario bitumen Screen Selection design criteria criteria dci Symposium Canada...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1621
... but may fail in some specific failure mechanisms where the microstructure is believed to play an important role. As an initial step of investigating the complex failure mechanism of sandstone in the context of water jet drilling, the microstructure model of the sandstone was constructed based on CT-scan...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1556
..., microcracking behavior associated with failure modes is investigated. The simulated results show that the 3D-GBM can capture the strength properties and deformation behavior associated with the failure modes of salt rock. This model provides an alternative and promising method to deeply investigate the micro...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1726
... ABSTRACT: In this paper, the effect of layer inclination, thickness and physical and mechanical properties of layers on hydraulic breakdown pressure was investigated. To achieve this aim, the model materials composed of kaolinite, cement and water in distinct ratios were used to simulate...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1765
... design in the absence of a completed site investigation. Detailed design will be completed once the geotechnical investigation has finished. This paper will focus on how historical data were systematically collected and analyzed in a manually curated webviewer. Geotechnical information was plotted...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1848
... ABSTRACT: The Fast marching method (FMM) is a class of solutions designed to obtain Depth of Investigation (DOI) which means the time-dependent point of negligible drawdown during propagation of pressure pulse away from the wellbore. FMM provides accurate results in a calculation of drainage...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1944
... carbon dioxide injection deep underground including investigation on fault reactivation and potential leakage. We first test the flow simulator, matching the numerical solution with a pre-existing solution for density, viscosity, and mass fraction of dissolved carbon dioxide and water in aqueous...

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