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Keywords: variation
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Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0186
... mechanical property variation geology granite igneous rock drillability drillability grade value longitudinal wave velocity temperature heat treatment mineral composition sample heated young high temperature investigation stress-strain curve ARMA 23 186 Experimental investigations...
Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0170
... pressure and variable internal pressure can better reflect the pressure variation properties of the actual reservoir. Many researchers have applied this method to the study of stress sensitivity (Chalmers et al., 2012; Ghanizadeh et al., 2014; Hou et al., 2017; Zeng et al., 2017). Reyes and Osisanya (2002...
Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0182
... mechanical properties in the subsurface is usually not viable due to the high cost of testing or a lack of available data, particularly in old wells. Despite the fact that they may be measured, they are localized over some limited and small area. For computing these parameters and their variations elastic...
Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0418
... on the variation of trace density, derived by the end-point estimator, using analytic and numerical approaches. We employ rectangular, square, and circular windows for sampling the trace density of fractures with various dip angles using Monte Carlo simulations. We find that, regardless of window shape...
Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0434
... (>450 m) in Virginia and evaluates the geologic conditions that lead to areas with high seismic event activities (> 1 M L ) during mining of longwall panels. Two pseudo two-dimensional models of areas with high and low seismic event activities are constructed in 3DEC software. The variation...
Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0469
... government hydraulic pressure geologist united states government reservoir characterization upstream oil & gas hydraulic fracturing geological subdiscipline mean value instrumented block erosion protrusion rock mass fluctuation variation water entry uplift spillway model annandale...
Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0441
... geology reservoir characterization water content p-wave velocity reservoir geomechanics variation krautblatter permafrost upstream oil & gas rock type rock sample freeze-thaw condition geologist laboratory setup time-lapse measurement wave propagation p-wave velocity...
Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0623
... the influence of perforating shock-induced phase transformation zone on the casing's collapsing performance. The result shows that shaped charge jet perforation will cause material composition variation and affect the mechanical performance of casing. Joern et al. (2022) set up a laboratory test rig...
Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0654
... and Santamarina, 2011) or geothermal projects (Buijze et al., 2019) may generate seismic events. Moreover, the thermal effect due to the injection of a fluid with lower temperature than the formation temperature leads to additional stress variation that may reduce the fault resistance (Rutqvist, 2012; Kim...
Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0118
... propagation, and is used to simulate the solid phase, whereas FDM has been utilized for studying the variation of pore pressure in the fluid phase. Rate of change of porosity, rate of change of velocity, strain rate and stress rate are calculated in the solid phase by SPH. These rates are used to calculate...
Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0827
... anthropogenic factors such as reservoir depletion during hydrocarbon extraction, CO2 sequestration, geothermal activities, nuclear waste disposal, and natural causes arising from tectonic movements. Such stress variations significantly impact the physical properties of rocks, particularly their porosity...
Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0894
... enhanced recovery reservoir characterization sedimentary rock clastic rock estimates of resource in place rock type artificial intelligence variation canada government permeability silicate geological subdiscipline estimation saturation reservoir quality bakken petroleum system water...
Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0054
... ABSTRACT In 4D Seismics, the dilation factor has become a very interesting rock property in recent years due to its simplicity in linearly relating rock deformation with acoustic velocity variation or time-lapse time shift. Its lab-scale characterization through coupled acoustic-mechanical...
Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0660
... geology neural network upstream oil & gas hyperparameter well logging deep learning europe government artificial intelligence log analysis geologist united states government geological subdiscipline porosity volve oil field zhang estimator norway government variation...
Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0737
... and on evolution of fracture geometry, porosity, and permeability. The results show that the coupled physicochemical process is strongly dependent on the Pe and Da. While similar trend of the permeability-porosity variations is obtained for the two fractures at the same Pe and Da numbers, the evolution of fracture...
Proceedings Papers

Paper presented at the 57th U.S. Rock Mechanics/Geomechanics Symposium, June 25–28, 2023
Paper Number: ARMA-2023-0742
... rocks or to measure the minimum in-situ principal stress in rock formations, height growth of a hydraulic fracture above the formation of interest is a key metric for the design of successful hydraulic fracture applications. If the confining stress variation between rock layers represents one...
Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0722
..., (3) whether the elastic properties are stress dependent, and (4) whether there exists any stress induced anisotropy under reasonable net mean stress variations. To evaluate the existence of anisotropy or heterogeneity, we measure ultrasonic velocities, Vp and Vs, at 45-degree increments around...
Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0689
... of natural fractures may further cause significant dilation and transmissivity enhancement, favoring the transport of leaked radionuclides into the groundwater system. Thus, it is of central importance to quantify the shear displacement and transmissivity variation in fracture systems during potential...
Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0679
... enhanced recovery reservoir simulation mesh production control solid waste management sensitivity refinement flow in porous media breakthrough production monitoring permeability mesh sensitivity fracture tetrahedral mesh harrington reservoir characterization variation consumption...
Proceedings Papers

Paper presented at the 56th U.S. Rock Mechanics/Geomechanics Symposium, June 26–29, 2022
Paper Number: ARMA-2022-0674
... following mechanical and thermal loadings. upstream oil & gas wellbore design cement chemistry cement property mpa reservoir characterization cerasi experiment variation casing and cementing cement sheath cement formulation simulation reservoir geomechanics interface hollow...

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