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Keywords: displacement
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Proceedings Papers

Paper presented at the 54th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2020
Paper Number: ARMA-2020-1712
... metals & mining ramp rehab convergence reservoir geomechanics upstream oil & gas displacement failure zone rmr rock mass strength development drift shotcrete excavation turquoise ridge inflatable bolt reservoir characterization extensometer maximum failure zone mesh...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0123
... ABSTRACT: During production from gas reservoirs the formation pressure decreases, leading to increased levels of effective stress. As a result, the reservoir rock is compressed and deformed, leading to displacement of overlaying formations, which can propagate all the way to the ground...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0013
... cover, the measured horizontal displacements within the abutment pillar are at least one order of magnitude higher than those measured in a 2017 study under deep cover and slightly higher than those measured in a 2014 study under medium cover. INTRODUCTION Due to a recent shale gas boom, approximately...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0040
... strength Reservoir Characterization shear box displacement clay seam Upstream Oil & Gas normal stress specimen shear strength canada halite-clay 506 laboratory shear stress stiffness residual test direct shear machine normal stiffness carlsbad halite-clay 3 0 shear...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0112
... downstream reservoir well logging Fluid Dynamics shale bedding travel time Reservoir Characterization hydraulic fracturing pore pressure porosity flow in porous media pressure transient method shale sample evolution displacement permeability experiment compressional stress increase...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0130
... displacement geomechanical modeling hydraulic fracture stimulation fracture stimulation 1. INTRODUCTION Microseismic monitoring has slowly, but very steadily, been an application technology used with increasing success within the petroleum industry over the last 25 years. Within the realm of...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0208
... Artificial Intelligence Ferronato reservoir geomechanics displacement application Reservoir Characterization teatini covariance matrix machine learning Upstream Oil & Gas hydrocarbon reservoir probability variation compression index ensemble assimilation observation data...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0276
... complex reservoir displacement Upstream Oil & Gas shale gas gas well claystone layer protection overburden depth deformation coal seam panel ii mining horizontal displacement shale gas well subsidence longwall panel Longwall Mining stability Subsurface movement barrier...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0248
... enhanced recovery Reservoir Characterization Upstream Oil & Gas fluid injection hydraulic fracturing displacement drilling operation injection pressure experiment flow in porous media Fluid Dynamics normal stress Earthquake slip rate fluid pressure apparatus slip event MPa...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0140
... fault structure influence the fluid pressure diffusion, the growth of aseismic fault slip and the seismicity triggering. 2. EXPERIMENTAL RESULTS Guglielmi et al. (2015a) have previously shown that the observation of fault displacements during fluid injection implies that permeability varies in close...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0228
...1. INTRODUCTION AND MOTIVATION The rock displacement (strain) caused by fluid pressure alteration can influence the rock matrix porosity and permeability because any changes in pore pressure result in volumetric deformation of the rock through effective stress concept. This coupled physical...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0224
... div c c n + + =wq v (7) ( ) ( ) 0w sdiv div+ =q v (8) Where w q denotes the total discharge of liquid, ( )f s = wq v v , s t= v u denotes the soil skeleton velocity, deduced from the displacement of soil skeleton u . 2.2. Darcy s law In this study, the flow in the porous medium is governed by...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0354
... decreasing trend with shear displacement which add complexities in detecting the seismic precursors. For the stick-slip cycles observed in the post peak region, the transmitted amplitude follows a cyclic trend consistent with shear stress fluctuations. Transmitted amplitude experienced a reduction during...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0299
..., asperity angles and filling material) play an important role in the failure mode. Wellbore Design displacement rock joint wellbore integrity Shear Characteristic normal stress specimen mechanical property Reservoir Characterization Upstream Oil & Gas Rock mechanics international...
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-2019-0270
... systems and the effect of mining rate and excavation proximities Be tamper proof. Secondly, the unit needs to be easy to monitor: No special skill sets are required to use. Precise measurement triggered by exact displacement. No uncertainty in allocation of an alert. Little or no turnaround...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0311
... flow in porous media uniaxial compression displacement international journal tensile stress stress distribution vertical pore coal sample principal stress Authors responses to the Reviewers comments General Reply: Thanks for the reviewer's meritorious comments on our manuscript. We have...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0366
.... During the experiments, the cracking process was continuously monitored by measuring surface displacements using DIC. Compressional wave pulses were also recorded continuously during the loading to detect signatures of the cracking phenomena and growth using three pairs of transducers. The ultrasonic...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0372
... design to restrict the forces and displacements to purely linear shear and normal directions, decrease the amount of friction in the system, and more closely measure the actual forces exerted on the sample. This paper describes the key features and innovations associated with the development of the...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0429
... ABSTRACT: Rock bolt is one of the major support systems of tunnel engineering. It is used to stabilize suspended rock blocks around an excavation section, reinforce rock mass, and reduce displacement along rock joints. This study proposed a rock bolt model, which includes two parts: a bolt...

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