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Keywords: magnitude
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Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0085
... compressibility and stress sensitive, bedding-parallel permeability exponents in Mancos shale samples indicate an approximately 50% reduction in both storage and transport multiplier magnitudes when measured under uniaxial strain boundary conditions, as opposed to the more routinely applied hydrostatic “net...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0105
... Magnitude aperture Longwall Mining boundary fracture deformation strata permeability Upstream Oil & Gas strength variation abutment fracture equation 1. INTRODUCTION In Australia, the ability to accurately predict the behavior of water in longwall operations has become a pressing issue...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0115
... depletion induced dynamic fault rupture. The numerical results demonstrate significant control of fault asperity height on rupture styles and fault slip induced seismogenesis. The generated rupture size and tremor magnitude may be useful in understanding the nature of induced seismicity in an onshore gas...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0360
... pressure strength pore pressure shale MPa sand competence plot practical approach reservoir southern iraq Magnitude proceedings rock mechanical property 1. INTRODUCTION Sand production is an undesired phenomenon occurring in unconsolidated formations due to shear failure and hydrodynamic...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0241
... failure criterion mud weight window Upstream Oil & Gas criterion horizontal stress Drilling Zubair Formation southern iraq rock mechanical property breakout Magnitude 1. INTRODUCTION One of the most critical challenges affecting the drilling and production operations is wellbore...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0254
...1. INTRODUCTION A number of case studies have shown that the magnitude of the least principal stress can vary from layer to layer in unconventional oil and gas plays. Because such stress variations can have an important impact on vertical hydraulic fracture growth, we investigate here one physical...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0349
... magnitude characteristics of microseismicity are dominated by those of underlying fractures, while microseismic event rate is under the combined effects of local natural fracture abundance and mining intensity. On this basis, a data-driven yet physics-based forecasting methodology was established for LTCC...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0467
... stress information including stress gradients and horizontal stress differences in three typical areas was predicted. The orientation of horizontal maximum principal stress in the Changning and Weiyuan regions is almost east-west. The fault only affects the magnitude and orientation of situ stresses near...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0431
... ABSTRACT: To obtain a full characterization of subsurface stress, both principal stress magnitudes and orientations are necessary. Knowledge of principal stress orientations is particularly important to wellbore stability analysis during drilling of inclined wellbores, hydraulic fracturing...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1903
... seismic response seismic event total period seismicity depositional Magnitude graph eta model 1. INTRODUCTION In view of the deep expansion of hard rock mines, it has become more common to carry out mining activities in high-stress environments. Stress changes resulting from mining excavations...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2053
... given DITF orientation and the in-situ stress regime. Parameters that affect the size of this region and hence the magnitude range of components of the local stress tensor is discussed. Subsequently, the diagnostic power of DITFs is demonstrated under different scenarios, where the DITF orientation...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2168
...-direction) to the shear direction. The simulation shows that the x- and y-velocities on the upper and lower plates have both positive and negative values. The positive x-velocities with large magnitude are mainly seen on the upper plate and the negative x-velocities with large magnitude mostly occurred on...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2172
... properties and volumes of fluids for ballooning fractures and the optimum stress shadow magnitude to be generated within a given zone before it is fractured. It also presents sensitivity studies into the ballooning of fractures by increasing the volumes or changing the properties of injected fluids. Moreover...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-2182
... (the “stress shadow effect”) on the natural fracture is explored. Fracture interaction is captured using three-dimensional interaction maps based on two interaction measures that quantify the magnitude and type of interaction. The results show that the stress conditions at the hydraulic fracture tip...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1557
... series of borehole stations. Earthquakes were processed within a few minutes and results informed a Traffic Light System (TLS). Using near-realtime information on induced-earthquake rates, locations, magnitudes, and evolution of seismic and hydraulic energy, pumping was either stopped or varied between...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0492
... Characterization drilling operation fault reactivation Circulation Event reactivation fault reactivation potential well control annular pressure drilling downhole pressure Magnitude abd rahim damage zone polygon coefficient reactivation potential 1. INTRODUCTION Lost circulation events can occur...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1572
... & Gas regime coefficient Poisson gradient geomechanical model mechanical property well 2 Magnitude maximum horizontal stress fracture anisotropy Field Development Recommendation Utilizing 3D Geomechanical Model for an Unconventional Play in Colombia Leonardo Arias Medina Petroleum...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0495
... geothermal reservoir criterion breakout coordinate system Magnitude wellbore integrity thermally failure profile stress field compressive failure model Reservoir Characterization Upstream Oil & Gas enhanced geothermal system visund field eg well compressive failure profile tensile wall...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0489
... US government stress deformation Reservoir Characterization relation aden area study area variation Upstream Oil & Gas temporal variation Earthquake seismic period spatial variation contribution aftershock Gulf normal fault Red Sea spatial seismicity Magnitude stress...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1679
... standoff database Magnitude hangingwall stand-up time standoff bivariate analysis primary stope performance 1 ABSTRACT: Evaluating stope performance is important for improving stope stability, production efficiency, and profitability. Underground mines are Operating at greater depths where...

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