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Keywords: injection
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Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1415
... fracturing experiments using analog-rock samples that were constructed with controlled heterogeneity for repeatable experiments. Fluids of different viscosities were injected at various volumetric rates to investigate their controls on hydraulic fracture patterns. We observed three distinct phenomena...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1967
... representation eg reservoir time scale injection mesh thermo-hydro-mechanical effect fracture eg system fracture surface reservoir ARMA 21 1967 Three-dimensional explicit fracture representation to better understand thermo-hydro-mechanical effects in enhanced geothermal reservoirs Furtney, J. K...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-2121
... ABSTRACT: Injection of fluids in the subsurface can induce seismicity and possibly lead to rock failure. Earthquake nucleation could be triggered by pore fluid diffusion or changes in pore fluid composition. Thus, microcracking processes before the formation of macrofracture in fluid-saturated...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1998
... is to assess chalk weakening induced by chemical interactions by performing 1-D compaction simulations under three different waterflooding scenarios in the Dan field. While scenario 2 assumes Na 2 SO 4 brine injection, scenarios 1 and 3 simulate MgCl 2 brine injected in pure and impure chalk. These scenarios...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-0021
... are expended to heat water on the surface and is subsequently injected into adequately deep, porous formations. Three numerical models with single layer, two layers and four layers of high permeability (100mD) and high porosity (15%) separated by thinner layer (s) of low permeability (1mD) and low porosity (5...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1684
... ABSTRACT: Caprock and fault integrity can be an issue when the reservoir is subjected to production or injection. In this work focus on understanding the dynamic response of fault and caprock in a planning Carbon Capture and Storage (CCS) field located in South East Asia which aims for improve...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1135
... not only have a profound impact on fluid flow, but also effect the stress field in their vicinity. In addition, pore pressure changes due to injection or production can induce slippage and fault reactivation, respectively (Pereira et al., 2014; Rueda et al., 2014; Sanchez et al., 2015; Haug et al., 2018...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1064
... ABSTRACT: Several modified methods of hydraulic fracturing have been published in the recent literature. The ultimate objective of modifying conventional injection hydraulic fracturing techniques is to increase the damage zone around hydraulic fracture, thereby increasing the conductive...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1690
... the poroelastic response of faults extending up from the basement through overlaying sedimentary layer to fluid injection into an overlying reservoir. We study the direct role of pore pressure diffusion and the indirect poroelastic stress transfer effect on the failure of a favorably oriented strike-slip fault...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1733
... ABSTRACT: Laboratory tests were conducted on cement blocks with a size of 30cm×30cm×30cm subjected to true triaxial stresses of 30-28-22MPa to investigate effects of cyclic injection on sub-parallel fracture propagation in horizontal well. Variable injection schemes, constant-rate, cyclic...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1852
... and the associated governing processes have to be assessed in detail. In this contribution, we aim at improving our understanding of hydromechanical processes induced by dynamics of CO 2 leakage through intact shaly caprocks. To this end, we perform laboratory experiments on supercritical CO 2 injection...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1285
... may be able to overcome challenges presented in HDR regions. mechanism boundary reservoir renewable energy output fluid temperature injection heat transfer coefficient enhanced geothermal system convective heat transfer coefficient rock matrix equation fracture aperture convective...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1310
..." (Cornet et al., 2021), the original table of contents of which will be presented in a companion paper at the conference. reservoir characterization well logging induced seismicity international journal symposium hydraulic fracturing log analysis fluid injection experiment determination...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1315
... characteristics, permeability evolution, and fracture stability on parameters dictating the strength of coupling between geomechanics, flow, and transport. 1. Introduction Applications of fluid injection into naturally or hydraulically fractured reservoirs are evident in many engineering disciplines: carbon...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1339
... ABSTRACT: Seismic response to fluid injection at the Húsmúli area within the Hellisheiði geothermal field in Iceland was investigated by correlating induced seismicity with fault structures and fluid injection rates. Induced seismicity recorded around five injection wells over a half-year...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1755
... fractures and reduce the capillary forces. In this work, the chemical injections were conducted at high pressure and high temperature conditions, and different rock types were used. Also, nuclear magnetic resonance (NMR) and capillary pressure experiments were carried out, before and after the chemical...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1770
... ABSTRACT: The injection of fluid into granular media can create fluid-driven fractures. Suspended solid particles in the fluid reduce fluid injectivity because of particle plugging. The objective of this work is to analyze the grain-scale mechanisms of suspended solid particles...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1168
... ABSTRACT: In January 2021, highly deviated injection well, 16A(78)-32, was drilled to a total depth 10,987 ft at the Frontier Observatory for Research in Geothermal Energy (FORGE) site near Milford, Utah. After a brief hiatus, hydraulic fracturing will be carried out near the toe...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1270
... Abstract We address the coupled hydro-mechanical problem of fluid injection in a fractured rock mass in the limit of negligible matrix hydraulic diffusivity. The fact that fuid-induced aseismic slip may outpace pore-fluid diffusion along a planar fault is also valid in the case of fluid...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1999
... ABSTRACT: We analyze the displacement, fluid pressure and injection flowrate data measured during hydrofracturing (HF) tests conducted in intact foliated metamorphic rock at 1490.5 m depth in the Sanford Underground Research Facility (SURF, USA), and at 485 m depth in the central Scandinavian...

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