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Keywords: maximum principal stress
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Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0222
... numerical simulation horizontal maximum Reservoir Characterization Engineering maximum principal stress Upstream Oil & Gas tuofutai region principle stress stress value principal stress Petroleum Geology stress field fracture China in-situ stress MPa stress distribution tuofutai area...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-432
... hydraulic fracturing. coal bed methane complex reservoir Simulation coal seam gas Engineering coal rock hydraulic fracturing Upstream Oil & Gas maximum principal stress horizontal maximum coalbed methane frequency horizontal maximum principal stress orthotropic coal rock Fracture...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-099
... pressure, temperature and cavity size will significantly increase the induced maximum principal stress. reservoir geomechanics strength pressurization different internal pressure metals & mining cavity size cavity roof MPa cavity radius internal pressure Upstream Oil & Gas maximum...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-1006
... maximum shear stresses are analyzed around the flaw tips and along the bridge between the inner flaw tips of the pressurized and non-pressurized flaws. When the specimen is loaded uniaxially, the maximum principal stresses in the bridge between inner flaw tips are tensile near the pressurized flaw and...
Proceedings Papers

Paper presented at the 51st U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2017
Paper Number: ARMA-2017-0139
... the maximum principal stress to minimum principal stress have been identified as the top three parameters affecting slotting performance. metals & mining coal seam gas flow in porous media coal bed methane complex reservoir Upstream Oil & Gas maximum principal stress orientation...
Proceedings Papers

Paper presented at the 49th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2015
Paper Number: ARMA-2015-075
... the maximum principal stress reaches the ultimate strength of the material for simple tension. Based on this theory, the largest principal stress will initiate cracks in the rock and lead to the failure of rock mass. The goal was to observe the effect of borehole radius, internal injection pressure...
Proceedings Papers

Paper presented at the 49th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2015
Paper Number: ARMA-2015-161
... shape), horizontal stress, depth of was studied. The maximum normal stress criterion also known as Coulomb s criterion is based on the Maximum normal stress theory. According to this theory failure occurs when the maximum principal stress reaches the ultimate strength of the material for simple tension...
Proceedings Papers

Paper presented at the 49th U.S. Rock Mechanics/Geomechanics Symposium, June 28–July 1, 2015
Paper Number: ARMA-2015-329
... numerical simulation tendency repulsio tendency repulsion interaction simulation maximum tip upstream oil & gas regularity rig tendency fracture stress half -length maximum principal stress attraction hydraulic fracture fracture hydraulic fracturing propagation newborn fracture node...
Proceedings Papers

Paper presented at the 48th U.S. Rock Mechanics/Geomechanics Symposium, June 1–4, 2014
Paper Number: ARMA-2014-7433
.../vertical stress), vacuum (negative pressure), depth and method of extraction on the induced maximum principal stress. It was concluded that increasing internal pressure, cavity length, and depth of cover will significantly increase the induced maximum principal stress around the cavity. Applying negative...
Proceedings Papers

Paper presented at the 46th U.S. Rock Mechanics/Geomechanics Symposium, June 24–27, 2012
Paper Number: ARMA-2012-608
... profile equation 1 assumption elastic property theoretical prediction lateral strain prediction mechanical property stress variation finite element analysis stress ratio Upstream Oil & Gas variation subsurface layer maximum principal stress Poisson principal stress minimum principal...
Proceedings Papers

Paper presented at the 45th U.S. Rock Mechanics / Geomechanics Symposium, June 26–29, 2011
Paper Number: ARMA-11-596
... different attack angle hydraulic fracturing maximum principal stress normal force linear rock pick performance 1 Pick performance is usually defined in terms of the mean and peak values of cutting and normal forces (FC and FN) and specific energy (Ep). These parameters have been used in the design...
Proceedings Papers

Paper presented at the 45th U.S. Rock Mechanics / Geomechanics Symposium, June 26–29, 2011
Paper Number: ARMA-11-155
... criteria coefficient concentration coefficient reservoir geomechanics criterion stress state rock mass Reservoir Characterization strength underground excavation rock mass strength engineering area Hoek friction coefficient mass strength maximum principal stress uniaxial compressive...
Proceedings Papers

Paper presented at the 45th U.S. Rock Mechanics / Geomechanics Symposium, June 26–29, 2011
Paper Number: ARMA-11-427
... rule for jointed rock masses using FLAC3D [6]. structural geology support scheme elasto-plastic damage fem Upstream Oil & Gas maximum principal stress stability reservoir geomechanics cavern key point excavation numerical model Reservoir Characterization scheme ii rock mass...
Proceedings Papers

Paper presented at the 45th U.S. Rock Mechanics / Geomechanics Symposium, June 26–29, 2011
Paper Number: ARMA-11-129
...]. orientation maximum principal stress minimum principal stress Reservoir Characterization depletion variation stress rotation Upstream Oil & Gas stress component salt body pressure depletion principal stress component stress orientation reservoir geomechanics initial orientation pore...
Proceedings Papers

Paper presented at the 43rd U.S. Rock Mechanics Symposium & 4th U.S. - Canada Rock Mechanics Symposium, June 28–July 1, 2009
Paper Number: ARMA-09-003
... infinite borehole, leak-off test procedures may initiate a horizontal fracture along the bottom of the wellbore before the fracture turns in the direction according to the orientation of maximum principal stress prevailing in the reservoir. INTRODUCTION A precise estimation of the in-situ stress tensor...
Proceedings Papers

Paper presented at the The 42nd U.S. Rock Mechanics Symposium (USRMS), June 29–July 2, 2008
Paper Number: ARMA-08-151
... pressure maximum principal stress injection well water management mechanism Upstream Oil & Gas effective stress injection California seismicity fracture MPa production well the geysers geothermal field shear failure injection-induced seismicity Injection Rate time lag ARMA 08-151...
Proceedings Papers

Paper presented at the The 42nd U.S. Rock Mechanics Symposium (USRMS), June 29–July 2, 2008
Paper Number: ARMA-08-211
... production reservoir geomechanics co 2 maximum principal stress study area geomechanical stability assessment anticline Williston Basin Craton principal stress vertical stress in-situ stress compressive stress regime 1. INTRODUCTION The main purpose of this paper is to discuss the...
Proceedings Papers

Paper presented at the The 34th U.S. Symposium on Rock Mechanics (USRMS), June 28–30, 1993
Paper Number: ARMA-93-0605
... the part just cut. Reservoir Characterization electric pump pressurization specimen abrasive water jet Upstream Oil & Gas borehole diameter stress measurement hydraulic fracturing maximum principal stress hand pump boundary element method shut-in pressure perpendicular...
Proceedings Papers

Paper presented at the The 30th U.S. Symposium on Rock Mechanics (USRMS), June 19–22, 1989
Paper Number: ARMA-89-0877
... maximum principal stress were first reported by Jones, et. al.[7]. Breakouts in the direction of the maximum horizontal principal stress have been observed in friable rocks (e.g., coal seams) only. This paper describes an analysis of wellbore breakouts for boreholes drilled in Alaska and Colorado. The...
Proceedings Papers

Paper presented at the The 26th U.S. Symposium on Rock Mechanics (USRMS), June 26–28, 1985
Paper Number: ARMA-85-0557-1
... geostress kaiser effect characteristic principal stress granite specimen maximum principal stress geostress Kaiser effect cubic specimen AE activity 26th US Symposium on Rock Mechanics / Rapid City, SD /26-28 June 1985 Study on estimating eostresses bythe Kaiser effect of AE K.MICHIHIRO Setsunan...

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