Fault roughness controls injection-induced seismicity

L Wang, G Kwiatek, F Renard… - Proceedings of the …, 2024 - National Acad Sciences
Surface roughness ubiquitously prevails in natural faults across various length scales.
Despite extensive studies highlighting the important role of fault geometry in the dynamics of …

Impact of Regional Pressure Dissipation on Carbon Capture and Storage Projects: A Comprehensive Review

HK Hawez, T Asim - Energies, 2024 - mdpi.com
Carbon capture and storage (CCS) is a critical technology for mitigating greenhouse gas
emissions and combating climate change. CCS involves capturing CO2 emissions from …

[HTML][HTML] Applications and future developments of the (thermo-) poro-elastic theory in geophysics

M Nespoli, H Yu, AP Rinaldi, R Harrington… - Earth-Science …, 2024 - Elsevier
Fluids are naturally present in the crust from subsoil to several kilometers deep. The
representation of the Earth's crust as a purely elastic medium ignores the effects of fluids …

Mechanisms of stress-and fluid-pressure-driven fault reactivation in Gonghe granite: Implications for injection-induced earthquakes

C Zhang, D Fan, D Elsworth, M He, X Zhao… - International Journal of …, 2024 - Elsevier
We explore the impacts of stress-and fluid-pressure-driven frictional slip on variably
roughened faults in Gonghe granite (Qinghai Province, China). Slip is on an inclined fault …

[HTML][HTML] On the role of poroelastic stressing and pore pressure diffusion in discrete fracture and fault system in triggering post-injection seismicity in enhanced …

IR Kivi, V Vilarrasa, KI Kim, H Yoo, KB Min - International Journal of Rock …, 2024 - Elsevier
Injection-induced seismicity has become one of the most critical challenges for the
widespread deployment of Enhanced Geothermal Systems (EGS). In particular, some EGS …

Fault slip and seismic source response characteristics under induced stress wave

Z Ding, X Feng, E Wang - Engineering Failure Analysis, 2024 - Elsevier
As coal mining depth and structural complexity increase, the failure severity of mining-
induced fault activation leading to rock bursts escalates. Fault fracture zones, consisting of …

[HTML][HTML] Fluid-driven slow slip and earthquake nucleation on a slip-weakening circular fault

A Sáez, B Lecampion - Journal of the Mechanics and Physics of Solids, 2024 - Elsevier
We investigate the propagation of fluid-driven fault slip on a slip-weakening frictional
interface separating two identical half-spaces of a three-dimensional elastic solid. Our focus …

Fracture‐mesh faulting in the swarm‐like 2020 Maacama sequence revealed by high‐precision earthquake detection, location, and focal mechanisms

DR Shelly, RJ Skoumal… - Geophysical Research …, 2023 - Wiley Online Library
In August of 2020, an earthquake sequence initiated within the Maacama fault zone in
northern California, raising questions about its relationship with the larger‐scale fault. To …

Fracture permeability enhancement during fluid injection modulated by pressurization rate and surface asperities

Y Ji, W Zhang, H Hofmann, F Cappa… - Geophysical Research …, 2023 - Wiley Online Library
We present a series of controlled fluid injection experiments in the laboratory on a pre‐
stressed natural rough fracture with a high initial permeability (∼ 10− 13 m2) in granite …

Constraints on upper crustal fluid circulation and seismogenesis from in-situ outcrop quantification of complex fault zone permeability

M Curzi, F Giuntoli, G Vignaroli, G Viola - Scientific Reports, 2023 - nature.com
The permeability of fault zones plays a significant role on the distribution of georesources
and on seismogenesis in the brittle upper crust, where both natural and induced seismicity …