... of the researcher. To remove this bias, the root mean square first derivative values (Z 2 ), a statistical numerical parameter, is revealed, which is also easily to be determined. upstream oil & gas root mean square method mechanical property joint roughness coefficient strength definitional jrc...

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... between the uniaxial compressive strength of the filling material with cohesion and frictional properties of joints using Mohr-Coulomb criteria. The tests carried out in dry condition and joints have no roughness (smooth joints). upstream oil & gas rock mechanics discontinuity wellbore...

... distribution, grain shape and porosity on the mechanical behavior and strength of granular rock. upstream oil & gas rock mechanics reservoir characterization strength sandstone international journal hydraulic fracturing shenyang 110819 porosity reservoir geomechanics axial stress discrete...

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... was discussed. Furthermore, the relationships between gravels and mechanical properties were investigated. This study can provide basic mechanical data for drilling or hydraulic fracturing in glutenite reservoirs reservoir characterization upstream oil & gas group 2 tight sandstone reservoir...

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... by slaking (e.g., Sakai and Nakano, 2018). However, the effects of slaking on the strength and deformation characteristics of crushed mudstones under the cyclic and slope stress conditions have not been understood well. upstream oil & gas cyclic loading immersion characteristic shear test...

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.... The method allows slope safety factors to be determined without a predefined critical failure surface, as required for Limit Equilibrium Methods. Instead, RFEM allows for the simulation of the progressive failure of a slope until the final slope failure surface is achieved. upstream oil & gas...

... of World Tunnel Congress, Prague, pp. 22 32. 283 ground transportation cutter numerical simulation Upstream Oil & Gas Simulation underground space technology Reservoir Characterization gauge cutter disc-cutter collaborative rock fragmentation pattern rock specimen rail transportation...

... abundant the overburden will be if people keep using surface mining method. Reservoir Characterization Soil mechanics international journal reservoir geomechanics biaxial test displacement distribution Upstream Oil & Gas Rock mechanics rocscience 3 metals & mining foundation...

... ; W W .# zzm mP x4 % # 4 4 .V 4: /. ; W W .# Z mz zz"4Z 262 coalbed methane gas lift bubbly flow artificial lift system gas injection method Upstream Oil & Gas enhanced recovery coal seam gas experimental study coal bed methane complex reservoir fracture...

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... network Upstream Oil & Gas supercritical carbon dioxide invasion scco 2 saturation MPa pore network simulation Pore network simulation of supercritical carbon dioxide invasion in Domengine sandstone Min-Kyung Jeon a , Tae-Hyuk kwon a *, Marco Voltolini b and Jonathan Ajo-Franklin b a Korea...