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Keywords: aperture
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Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1582
... in fractured rock (National Research Council, 1996). The factors controlling flow through fractures are fracture density, orientation, aperture, and rock matrix type. Characterization methods for fractures, such as geophysical imaging or geomechanical analysis, are easily collected, but rarely provide accurate...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1602
... was subtle in spite of strong indications that the local proppant-shale matrix interaction was altered by the mineral-type-dependent changes of the shale texture. 1. Introduction In an unconventional, low-permeability oil and gas reservoir in shale, the use of proppant for preserving the aperture...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-2066
... cracking in response to thermal stress by heating samples to varying temperatures. Crack densities, grain boundary area and aperture are enumerated for up to 100,000 grains and calcite grain translations and rotations during thermal cracking can be visualised. In the porphyry Cu-Au samples high resolution...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-2107
... indicates that high pore pressure within rock matrix due to the strong penetration ability can greatly decrease the breakdown pressure. CO 2 fracturing creates more loose particles and discrete blocks acting like proppants, and fracture aperture of CO 2 fracturing is 2–5 times that of water fracturing...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1326
... etching, resulting in uneven fracture surface mismatch is the main reason for the higher acid fracture conductivity at low closure stress. Increasing acid speed will not be accompanied by linear roughness, mismatch, and aperture increasing all the time. Reasonably optimizing acid injection rate can obtain...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-2154
... and operations upstream oil & gas dimension fracturing materials proppant aperture unconventional hydraulic fracturing fluid dynamics assumption finite element method equation high fidelity hydraulic fracturing simulator perforation wellbore freedom literature simulation analytical solution...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1098
... controls both the conductivity and elastic responses of the medium. Implicitly, the stress-dependent fracture aperture height distribution links flow properties to elasticity. A comprehensive understanding on the connections among fracture aperture distribution, stress conditions and flow-elastic...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1124
... predictive estimation of fracture permeability after slip. The proposed relations link fracture length, shear displacement, fracture apertures, hydraulic apertures, and fracture permeability. We consider both fracture creation and the re-activation of existing fractures that have been infilled by minerals...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1315
... computational framework reservoir geomechanics complex reservoir fluid dynamics withdrawal climate change hydraulic fracturing stability matrix fracture permeability coupling fracture boundary fracture characterization injection equation aperture stress state evolution coupling strength...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1379
... of peak shear strength, residual shear strength, cohesion, and friction angle for the tested coal samples. An exponential correlation was also observed between peak shear strength and the cleat aperture. The findings of this work represent a useful and important data set of the shear strength of coal...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1932
... for fluids are necessary to achieve an economically feasible operation. complex reservoir aperture hydraulic fracturing relation injection pressure pre-existing fracture waterflooding fracture aperture borehole characterization enhanced recovery upstream oil & gas hydraulic property...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1912
... aperture increases with shear displacement under constant radial stress (1.5 MPa). Upon subsequent brine injection the aperture is reduced to below the initial mated state. Digital image correlation is used to quantify the divergent displacement of the two sample halves, which is likely caused by fluid...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0123
... of the fracture aperture and permeability, mechanical models usually either neglect or oversimplify its influence on the bulk volumetric response of the coal and consequently the displacement of the ground surface. In order to address this issue, a finite element model has been constructed, in which a horizontal...
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-2019-0069
... of wide cleats would not only enhance gas production rates by providing the microbes with more surface areas, but also boost subsequent flowrates of methane. Artificial Intelligence complex reservoir coal seam gas coalbed methane aperture variation pore pressure depletion harpalani...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0275
... Reservoir Characterization structural geology Artificial Intelligence fluctuation Egypt discontinuity investigation fracture rock slab lateral fracture tomb relative humidity displacement variation stability the valley aperture King proceedings rock mass bedding plane 1 1...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0393
... investigated in this research. Results indicated that the fracture surface roughness and the contact area were altered. However, the topography of the fracture surface and the aperture distribution could not be obtained directly from the permeability experiments. Therefore, a triaxial cell with heating...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1601
... the parameters affecting the poroelastic sustainability of a hydraulic fracture within the CO 2 storage reservoir rock. The results show that the rock's Biot coefficient has a remarkable effect on the outcomes. flow in porous media aperture Simulation coefficient Upstream Oil & Gas caprock...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1734
... tests without beddings. Then, the effect of the beddings is studied. The results of the simulations are used to provide feedback to the laboratory experimental program. complex reservoir Simulation hydraulic fracturing fluid pressure aperture boundary condition mechanical property...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1829
... aperture experiment 1 complex reservoir aperture collab experiment 1 hydraulic conductivity shear stress eg collab experiment 1 hydraulic fracturing Fluid Dynamics test bed geothermal reservoir frash MPa fracture pore pressure normal stress permeability specimen shear fracture foliation...

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