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Keywords: fluid 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-2021-1065
..., is applied to a physically similar case of fault gouge instability caused by fluid injection. 1. Introduction Landslides and faults instabilities pose a significant environmental hazard. Most landslides and tectonic faults shear within a shear zone or gouge, which consists of clay and granular material...
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-2021-1310
..." (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-2021-1339
... 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-2021-1270
... 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-2021-1955
... ABSTRACT: Understanding the physical mechanisms controlling fluid-injection-induced seismicity in a gouge-filled fault is crucial in the assessment and mitigation of induced seismicity, especially in the context of subsurface technologies like wastewater disposal, hydraulic fracturing, oil...
Proceedings Papers

Paper presented at the 55th U.S. Rock Mechanics/Geomechanics Symposium, June 18–25, 2021
Paper Number: ARMA-2021-1912
... to be unraveled. hydraulic fracturing reservoir characterization complex reservoir flow in porous media upstream oil & gas fluid dynamics fluid injection enhanced recovery fracture characterization aperture displacement-and swelling-induced fracture aperture change x-ray ct imaging shale...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0248
... where the fluid was injected. We employed fluid pressure measurements from secondary monitoring wells to study the fluid behavior along the fault. These early experiments resulted in slip events induced within seconds of fluid injection, but further monitoring of the fluid on the fault suggests...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0140
... in the estimation of how the crust responds to fluid injection and the associated induced seismic hazard. Here, we use data-driven hydromechanical modeling of fluid injection to show how the fault permeability enhancement, the stress perturbation and the fault structure have an important effect on the fluid...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-0481
... needed to reach complete damage. Transient fault slip is captured by the progressive damage initiation and propagation in joint elements. This study expects to provide insights into the correlation between fluid injection and fault instabilities and contribute to the optimized design of injection...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1563
... of HFs is critically important for the design of hydraulic fracturing treatment. Normally, HFs tend to take a straight path in a symmetrical stress field. However, as a result of fluid injection or production through pre-existing wells, non-uniform stress field can be encountered during the fracturing...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1700
... ABSTRACT: Shear slip of fractures/faults induced by pressurized fluid injection has been recognized as an important mechanism in reservoir stimulation and induced earthquake. A lab-scale physical simulation of fluid injection-induced shearing is still lacking to understand the slip evolution...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1848
... deformation as well as the evolution of effectives stress at the fault plane. Reservoir Characterization Upstream Oil & Gas fluid injection simulator Modeling & Simulation Fault Activation mfm method reservoir geomechanics drillstem/well testing pressure change assumption...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1952
... can help to predict the shape of poroelastic deformation and whether or not solid grains would rearrange effectively in a given time. Fluid Dynamics flow rate Closing Time flow in porous media fluid injection capillary force Upstream Oil & Gas injection port test condition enhanced...
Proceedings Papers

Paper presented at the 53rd U.S. Rock Mechanics/Geomechanics Symposium, June 23–26, 2019
Paper Number: ARMA-2019-1557
... ABSTRACT: Near-realtime seismic monitoring of fluid injection allowed control of induced earthquakes during the stimulation of a geothermal well near Helsinki, Finland. The injection well was drilled down to 6.1 km-depth into Precambrian crystalline rocks. The well was deviated 45° from...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-661
... seismic cycle aseismic response Geophy stress drop injection unperturbed case lapusta aseismic slip seismic event perturbation vw patch US government fluid injection interseismic period seismicity perturbation occur stress perturbation Magnitude 1. INTRODUCTION: THE CHALLENGE...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-787
... ABSTRACT: In this paper we present a discrete element modelling based fluid injection simulation in a blocky structured rock mass. The hydro-mechanical couple model is developed on the basis of a commercial software, Particle Flow Code 2D. The fluid fl ow algorithm is modified to enable...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-620
... the potential to cause leaks to develop and/or induced seismicity to occur. Many common caprock formation types, such as shales and evaporates, are prone to undergo time-dependent deformation such as viscoelastic and/or viscoplastic response. Since the deformations induced by fluid injection are generally...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-051
... contribute to the injection-related fracture initiation. fluid modeling Upstream Oil & Gas mechanism equation of state fluid injection cfd-dem approach fluid flow injection hydraulic fracturing Simulation microcrack pressure drop velocity field particle fracture initiation base case...
Proceedings Papers

Paper presented at the 52nd U.S. Rock Mechanics/Geomechanics Symposium, June 17–20, 2018
Paper Number: ARMA-2018-691
... ABSTRACT: Exploitation of unconventional energy resources often requires fluid injection to improve the hydraulic performance of the reservoir. A potential risk associated with these hydraulic stimulation treatments is the unintended development of manmade seismic events. Therefore...

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