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Keywords: conductivity
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Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0474
... ABSTRACT: It is difficult to maintain the conductivity of acid etched fractures in deep carbonate reservoirs. The instability mechanism of acid etched fractures is analyzed by mineral composition analysis, laser scanning before and after acid etched, and continuous strength measurement...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0548
... soil tube test was conducted incorporating moisture (mass) and heat transfer. This test aims to identify multiphysical material characteristics influenced by adding microfibers in bentonite. The test conducted with pure bentonite was then modeled using a multiphysical finite element (FE) method...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0596
... ABSTRACT: The conglomerate reservoir is strongly heterogeneous, causing the hydraulic fracture to be tortuous and complex; there are many factors controlling the closure behavior of propped fractures caused by in-situ stress. However, the API conductivity cell can merely measure the average...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0589
... alterations, during geothermal operations, from coupled thermo-hydro-mechanical and chemical processes. Here, we describe an experimental system and procedures for high-temperature laboratory fluid flow tests on rock fracture surfaces developed to measure, concurrently, fluid electrical conductivity...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0599
... geomechanics magnitude geological subdiscipline scenario hydraulic fracture depletion perforation wellbore design reservoir characterization fracture conductivity spe hydraulic fracturing technology conference engineering perforation 1 evolution porous media productivity ARMA 24 599 Coupled...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0792
... the impact of ground permeability, spacing between freezing pipes, freeze/thaw damage, and refrigerant temperature. Numerical simulations using a Thermo-Hydro-Mechanical approach were conducted over a 10-year period, representing 10 cycles of seasonal freeze/thaw, to comprehensively assess the performance...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0759
... ABSTRACT: To investigate the impact of surface roughness on proppant crushing and its effect on fracture conductivity in Shale Gas Formations, laboratory conductivity experiments were performed on standard core columns drilled along hydraulic fractures. The morphology of proppants within...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0764
... and the PD. Recent formulations (Kresse et. al, 2013; Chuprakov and Prioul, 2016), also consider the effect of flow rate, fluid viscosity, and PD permeability in the crossing interaction. In this study, a series of permeability tests on cylindrical Opalinus Clayshale specimens were conducted in a triaxial...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0831
... or cooled by the rock mass. Fractures inherently have a very large ratio of surface area to volume. This allows for very high heat fluxes to and from the rock mass to be achieved despite the relatively low thermal conductivity of most geologic formations. Because large fractures can be made with low-cost...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0031
... with filtered freshwater being the working fluid. Selected flow rates were 150 gal/min (gpm), 75 gpm and 37.5 gpm. A three-dimensional (3D) FEFLOW finite-element borehole heat exchanger (BHE) model was developed to model the impact of different key parameters such as formation and cement thermal conductivities...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0055
... representing hydraulic fracture and microfractures are determined by upscaling the hydraulic conductivities of fracture and microfractures containing supporting proppants and microproppants. The simulation can predict the well productivity with and without microproppants in the hydraulic fracturing treatment...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0894
... investigation of key physical processes and design considerations for a multistage hydraulically stimulated EGS, utilizing a fully integrated reservoir model. We analyzed the influence of the key fracturing design parameters (injection rates, cluster spacing, well spacing, and fracture conductivity) alongside...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0888
.... So far, many scholars have conducted a lot of research on the interaction between hydraulic fracture and grid-like fracture (Zhang Q et al., 2021). However, fracture propagation in grid-like fracture Still have not theoretical support, and the mechanism of hydraulic fracture propagation in grid-like...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0884
...-existing fracture-cavity. The propagation of artificial fractures is investigated by changing the approach angle for fracture and maximum horizontal stress, and arrangement of pre-existing cavity. Moreover, re-injection experiments are used to evaluate the conductivity of fractures. The results indicate...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-1094
... substantial reserves of natural gas, making shale gas development a critical component of the global oil and gas industry, especially in North America. The effective placement of proppant in a fracture has a significant impact on the conductivity of the hydraulic fracture and the productivity of the well...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-1097
... conductivity compaction geological subdiscipline fracture fracture conductivity module porosity matrix porosity fracture half-length shale gas reservoir geomechanics reduction permeability poisson productivity rock type modeling & simulation reservoir characterization deformation fissure...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-0983
... ABSTRACT: The sand-carrying fluid flow in complex hydraulic fracture is crucial to improve the fracture conductivity. Previous research on proppant transportation simulation has mainly focused on planar fracture. This paper presents a proppant transportation model of the nonplanar fracture...
Proceedings Papers

Paper presented at the 58th U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2024
Paper Number: ARMA-2024-1023
... ABSTRACT: To investigate the crack initiation and propagation mechanism of CO 2 foam fracturing coal rock. In this study, experiments were conducted on CO 2 foam fracturing of coal rock using custom-designed indoor quasi-triaxial and true-triaxial fracturing equipment. The resulting fracture...

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