... reservoir geomechanics compressive stress hurley principal compressive stress compaction band ARMA 23 958 In-situ X-ray measurements of grain stress and strain during uniaxial compaction of miniature sandstone samples Hurley, R.C. Johns Hopkins University, Baltimore, MD, USA Shahin, G. EPFL, Lausanne...

... behavior of the conventional Mohr-Coulomb constitutive model regarding the tensile failure is that the tensile plastic strain is assumed to be irreversible. Any reversal of the plastic strain that caused failure in tension results in immediate generation of the compressive stresses and, consequently...

... lining thickness maximum stress maintenance 0 lining compressive stress tunnel ARMA 21 1206 Study on combined bearing effect of concrete lining and surrounding rock of large tunnel and lining optimization Deng, J.Q., Cui, W., Zhu, Y.B. and Liu, Y. State Key Laboratory of Simulation and Regulation...

... element and Kirsch analytical methods used to model the hoop stress distribution and its effective factors, in one of South Pars gas field's formations, based on Persian Gulf. Findings showed that the compressive stress, in the single fracture model, is raised up to the area of 30° in the fracture...

... of fracture from a microscopic point of view. reservoir geomechanics Fluid Dynamics coal characteristic Artificial Intelligence horizontal pore pore Reservoir Characterization Upstream Oil & Gas flow in porous media pore structure displacement experiment compressive stress pore area...

... complex fracture network stress variation fracture closure hydraulic fracture fluid property fracture closure normal contact stress compressive stress poroelastic medium Sharma ARMA 18 695 Hydraulic Fracture Closure in a Poroelastic Medium and its Implications on Productivity Puneet Seth...

... was a major engineering challenge. cement and bond evaluation axial stress slip joint Modeling & Simulation strength cement reservoir geomechanics Upstream Oil & Gas AAI MPa compressive stress secondary mining interface friction angle cement aai mining weak casing-cement bond...

... stability: 1) Effect of error in estimating GSI on assessing stability of intersection, and 2) Effect of mining cut sequence in relation to the orientation of pre-mining maximum compressive stress. First, sensitivity of critical strain zones is analyzed due to an error in assessed GSI values used...

... distribution. reservoir geomechanics Pramanik Rock mechanics hydraulic fracturing strength particle Reservoir Characterization Upstream Oil & Gas concentration initiation damage model loading angle international journal compressive stress loading condition Wellbore Design Monaghan...

... of support failure; (5) maximum probabilities of failure of the respective tunnel supports; and (6) data sets for plotting the probabilistic results via a graphing software program. Fig. 3 presents an exemplary plotting of probabilistic results, which shows how much the compressive stress is created at each...

... total displacement impact pressure deformation reservoir geomechanics erosion reservoir characterization principal stress compressive stress rock block rock mass maximum displacement upstream oil & gas gravity loading step right corner calculation step slope surface california...

... slit Upstream Oil & Gas Proc borehole hydraulic fracturing pore pressure LABORATORY study specimen compressive stress reservoir geomechanics water pressure unsaturated condition injection pressure pipe pore water effect hydraulically-induced fracture behavior unconsolidated sand...

... angle compressive stress shear displacement grout Upstream Oil & Gas bolt system normal stress diameter tensile stress Installation Condition passive bolt ARMA 12-412 Revisiting the design challenge of permanent bolts and shear reinforcement in laminated ground above large caverns...

..., and consequently reduce construction costs. flow in porous media air leakage Upstream Oil & Gas Simulation Reservoir Characterization Fluid Dynamics rock cavern leakage saturation compression cavern pressure compressive stress leakage rate reservoir geomechanics cavern operation...

... to its simplicity and suitability to a wide range of mining methods requiring the use of sublevels to access and extract the mining blocks. While this Method is reliable in situations where the maximum induced tangential stress creates adequate compressive stress keeping the face in a state...

.... Propagation of an embedded fracture illustrates the differences between 3D fracture propagation mechanism and the 2D case. When an embedded inclined 3D fracture is subjected to compressive stress, the fracture tips are restrained by the surrounding materials so that it does not propagates as predicted by 2D...

... porosity sandstone sandstone angle test Upstream Oil & Gas Castlegate sandstone stress state failure surface geological modeling deformation band principal stress intermediate principal stress stress direction emission Mean stress Lode angle specimen compressive stress compression...

.... The results show that the stress magnitude measured at the borehole varies considerably with the type of rock being tested. The measured induced tangential compressive stresses at the borehole exhibited a non-linear function with the applied external stress. Therefore, tangential stresses around a wellbore...

... structural stability compressive stress leach Bayou Choctaw Salt Dome cavern 7 sandia national laboratory Strategic Petroleum Reserve dome ARMA 08-150 Numerical Simulation Evaluating the Structural Stability of the Strategic Petroleum Reserve (SPR) in Bayou Choctaw Salt Dome, USA Park, B.Y...

... of equations to solve for the thrust, deflection, and maximum compressive stress. Factor of safety equations for sliding near the abutments and compressive failure of the rock were also suggested, and the validity of the equations was verified in a comparison with physical model results. He proposed a beam...