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Keywords: vicinity
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Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0596
... tensional and compressional stress perturbation around the producing well in the vicinity of fracture tips and fracture walls while the stress is released as the well produces. In addition, the magnitude of stress variation in the well group increases with the depletion at the beginning, followed...
Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0402
... be obtained only at discrete points – from seismic events analysis or wellbore data. This paper is focused on the latter – the problem of using wellbore data to understand the in-situ stresses at rock mass via estimating stresses existing in the well vicinity. estimation experiment consideration...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1148
... in use, any volume of fractured medium subjected to an arbitrary stress state may be characterized by all possible spatial orientations of hydraulically conductive shear fractures. In the current study the analyzed stress state corresponds to stress concentration in vicinity of an inclined well. Spatial...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-674
... events occurrence when mining through the dyke. Increase in potency at the vicinity of the dyke was also noted. metals & mining strength Reservoir Characterization dyke material Artificial Intelligence vicinity seismic event Upstream Oil & Gas experiment Implementation stress...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0715
... ABSTRACT: Pore pressure reduction, caused by reservoir fluid production, will alter the stresses in the vicinity of a producer. These stress alterations affect the propagation of hydraulic fractures that originate e.g. during water or polymer injection into injector wells as part of enhanced...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0544
... vicinity Reservoir Characterization geothermal reservoir diffusivity Cheng Upstream Oil & Gas pore pressure reservoir geomechanics injection Heat Extraction Ghassemi fluid injection matrix deformation fracture permeability normalized pore pressure diffusion 1. INTRODUCTION...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0353
... of the cavern. Results reveal the significant influences of idle time, gas pressure range, and injection and withdrawal cycles on stress, strain and temperature distributions in the vicinity of the cavern. More analyses are needed to confirm the influence of thermo-mechanical cycles of pressurization...
Proceedings Papers

Paper presented at the 47th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2013
Paper Number: ARMA-2013-389
... expected repository conditions the volume closure and the compaction of the backfill are mainly influenced by the temperature increase and the pre-excavation lithostatic stress at the waste emplacement level. radioactive waste rock salt Reservoir Characterization vicinity repository concept...
Proceedings Papers

Paper presented at the 45th U.S. Rock Mechanics / Geomechanics Symposium, June 26–29, 2011
Paper Number: ARMA-11-431
... numerical analysis and the field data. The study results demonstrate that the stope size and the existing of Creighton Fault in the vicinity of the stope have a significant effect on the stope stability . 1. INTRODUCTION Copper Cliff Mine is located about 10 km south east of Sudbury Basin, within...
Proceedings Papers

Paper presented at the 45th U.S. Rock Mechanics / Geomechanics Symposium, June 26–29, 2011
Paper Number: ARMA-11-406
... mass fraction, and temperature are determined around the borehole for some cases. Upstream Oil & Gas pore pressure Reservoir Characterization Fluid Dynamics concentration flow in porous media vicinity heating borehole pore pressure distribution total stress distribution borehole...
Proceedings Papers

Paper presented at the 45th U.S. Rock Mechanics / Geomechanics Symposium, June 26–29, 2011
Paper Number: ARMA-11-482
... for the large excavations based on the data available to date. INTRODUCTION Reservoir Characterization Upstream Oil & Gas vicinity reservoir geomechanics preliminary design metals & mining classification information mapping evaluation Homestake investigation deep underground...
Proceedings Papers

Paper presented at the 45th U.S. Rock Mechanics / Geomechanics Symposium, June 26–29, 2011
Paper Number: ARMA-11-518
... ABSTRACT A three-dimensional poroelastic numerical model for calculating three-dimensional stress and pore pressure distributions in the vicinity of multiple fractures is developed and used to analyze the potential for rock failure resulting from fluid injection during hydraulic fracturing...
Proceedings Papers

Paper presented at the 44th U.S. Rock Mechanics Symposium and 5th U.S.-Canada Rock Mechanics Symposium, June 27–30, 2010
Paper Number: ARMA-10-371
...) opening mode and in providing crustal information for establishing the Cenozoic crustal evolution history in the East Asia. It is also expected to provide basic geological information to develop natural resources in the vicinity of East Sea. Tsushima Island is located in the Korea Strait between...
Proceedings Papers

Paper presented at the The 42nd U.S. Rock Mechanics Symposium (USRMS), June 29–July 2, 2008
Paper Number: ARMA-08-079
... in modeling these two effects. Numerical results indicate that induced seismic events have magnitudes characteristic of microseismicity, and most of them occur in the close vicinity of the fracture front. The analysis of events shows that their grouping allows for defining the fracture plane, while...
Proceedings Papers

Paper presented at the The 42nd U.S. Rock Mechanics Symposium (USRMS), June 29–July 2, 2008
Paper Number: ARMA-08-054
... is initiated, the explosive energy dissipates into the rock mass in the form of strain waves. The energy will be high at the vicinity of the blastholes, and it dissipates gradually with distance. If the energy is higher than the breaking strength of the rock mass the rock mass gets fragmented. Based...
Proceedings Papers

Paper presented at the Alaska Rocks 2005, The 40th U.S. Symposium on Rock Mechanics (USRMS), June 25–29, 2005
Paper Number: ARMA-05-738
... with generating heat. The authors made an experiment to fracture a mortar specimen of 300 mm cube by setting expansive cement in a 50 mm diameter hole bored in the center of the specimen. Located AE (acoustic emission) sources clustered in the middle of a lateral surface and the hole rather than the vicinity...
Proceedings Papers

Paper presented at the DC Rocks 2001, The 38th U.S. Symposium on Rock Mechanics (USRMS), July 7–10, 2001
Paper Number: ARMA-01-1497
... & mining vicinity Pariseau Upstream Oil & Gas joint segment influence function average strain rectangular entry equivalent property roof beam jointed rock mass horizontal joint rock mass classical solution single element failure mechanism Rock Mechamcs tn the Nattonal Interest...
Proceedings Papers

Paper presented at the DC Rocks 2001, The 38th U.S. Symposium on Rock Mechanics (USRMS), July 7–10, 2001
Paper Number: ARMA-01-1245
... Starzec (1999) looks for the reflection of fracture porosity in macroscopic variables like the ratio of P- and S-wave velocity or the increase of density with P-wave velocity. Reservoir Characterization deviation dp mor 98 shaft Siltstone laboratory rock quality vicinity dp mor 96 Eissa...
Proceedings Papers

Paper presented at the DC Rocks 2001, The 38th U.S. Symposium on Rock Mechanics (USRMS), July 7–10, 2001
Paper Number: ARMA-01-1407
... of the underground tunnel. The method was used to simulate real forms of canyon and tunnel. The method was used to evaluate the impact of the location of the Pamir tunnel on the stability of rocks in its vicinity. Results of overcoring and hydro fracture methods of stress measurements completed at the site...
Proceedings Papers

Paper presented at the DC Rocks 2001, The 38th U.S. Symposium on Rock Mechanics (USRMS), July 7–10, 2001
Paper Number: ARMA-01-0289
... significant numerical errors. The exact (analytical) solu- tion of the problem presented in this paper has been obtained by means of the Weiner-Hopf method. An as- ymptotic representation of the stress field around the crack tip in a vicinity of an interface is extracted from the exact solution. Particularly...

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