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Keywords: sensitivity
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Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0516
... analysis method can well reflect the influence of factors, which is consistent with the result of the range analysis method and variance analysis method. In addition, this method can also realize the quantitative sensitivity analysis of factors under different levels, which is essential for the surrounding...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0582
... north america government sensitivity microseismicity configuration utah frontier observatory utah forge receiver downhole microseismic monitoring receiver configuration operation placement injection stimulation figure geothermal energy ARMA 22 0582 Downhole microseismic monitoring...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0679
... ABSTRACT: In this work, the suitability of several meshing strategies to optimize the CPU time consumption is investigated. The mesh sensitivity strategy is established by applying the basic framework of a coupled hydro-gas-mechanical 3D FEM numerical model to simulate the tests in terms...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0757
... fracturing fracture fracture characterization log analysis attenuation borehole waveform reservoir characterization propagation upstream oil & gas well logging stoneley waveform shear waveform borehole acoustic waveform sensitivity modeling fluid-filled fracture journal comparison...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0153
... ABSTRACT: The objective of this study is to compare the laboratory sensitivity of the permeability of cylindrical plugs to variations in hydrostatic and directional stress to determine how different stress evolution trajectories may affect fluid flow for different rock types. To achieve...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1724
... monitoring of selected borehole intervals and resulted in an adaptive monitoring network. accelerometer borehole amplitude reservoir characterization incidence angle experiment validation borehole upstream oil & gas sensitivity borehole wall hydraulic fracturing orientation injection...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1806
... of events and the sensitivities of results to the different input parameters can be analyzed. In this manner, we can estimate the probabilities of generating an event of a certain magnitude based on the modelled injection scenario and parameter distributions. This type of modelling can be used to give...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1272
... complex reservoir hydraulic fracturing wellbore design well decommissioning drilling operation casing and cementing cement failure cement annulus montney shale formation drillstem/well testing reservoir geomechanics upstream oil & gas sensitivity drillstem testing failure criterion...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-2113
... fracturing (DCIF) on the borehole surface by controlling the rock's thermoelastic contraction. The primary objective of this research paper is to presents select results on the applicability of the DCIF technology and sensitivity of horizontal principal stress (S Hmax and S hmin ) magnitudes...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-2042
... compressional and shear wave velocities (v p and v s ) at representative, key states of stress showed that under reservoir conditions versus under near-isotropic conditions, for Core A plugs Δv p ≈ +2.5–4% whereas for Core W plugs Δv p ≈ 0. The stress-sensitivity of v p is larger for macro- and mesoporous...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1995
... in porous media drillstem/well testing reservoir depletion test site infinite model fracture reservoir geomechanics Modeling & Simulation Upstream Oil & Gas Drillstem Testing depletion breakthrough boundary condition sensitivity well interference permeability hydraulic fracturing...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2142
... failure in the underground mines. Brazilian test was carried out to obtain indirect tensile strength of coal samples under seven different loading rates. It was confirmed that indirect tensile strength of the coals decreased with increase in loading rate. The sensitivity of indirect tensile strength...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0297
... recognition of the losses enabled the team to document a comprehensive losses database. enhanced recovery orientation datapoint Reservoir Characterization Upstream Oil & Gas loss event abd rahim seismic fault sensitivity fault segment hydraulic conductivity hydraulically conductive...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0405
... in making the shale permeable on a macroscopic scale.Permeability is also very sensitive to cracks. The ARMA 19 405 Experimental study on the anisotropy of shale with wave velocity and permeability Wang,X.Q., Wu,S., Ge, H.K., Chen H., and Wang J.B. Unconventional Natural Gas Institute, China University...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-679
... and shotcrete fibre. Borehole Log stability bolt-reinforced in-stope pillar pillar metals & mining mesh aftershock seismic event destress cut Reservoir Characterization Upstream Oil & Gas sensitivity shotcreted in-stope pillar seismic event in-stope pillar fibre shotcreted in-stope...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-918
.... The sensitivity sorting is concluded through orthogonal test on numerical simulation results: joint inclination angle > slope height > cut slope angle > angle of two free surface > angle between slope surfaces > layer thickness > included angle between the joint surface and the free face...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-080
... reduction method was used to evaluate the stability of the slope. A sensitivity analysis was conducted to investigate the impact of fault geometry and thickness on the overall stability of the slope. It is found that the fault responds differently using each method. The lowest FOS value were observed...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-1170
... of the applicability and limitations of the algorithm. A preliminary inversion of one recorded event is included for demonstration. With much further sensitivity analysis and modeling improvements, the resulting slip profiles will provide a new tool for understanding the frictional strength and rupture behaviors...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0217
... was also tested, following the same conditions. It was confirmed that indirect tensile strength of the rocks decreased with increase in humidity. The sensitivity of indirect tensile strength to humidity for arkose and fine grained sandstones was 12% or 29% larger than that for Kimachi sandstone...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0325
... ABSTRACT: In very low-permeability rocks, hydraulic fractures can be prone to tensile rock failure caused by rapid pressure drop. This failure mechanism is sensitive to the rate of pressure drop rather than the rate of production and typically occurs when wells are initially set on production...
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