Mechanism and implications of shut-in induced earthquakes

Wang, Xinyao; Liu, Dianzhu; Li, Xiao; Gao, Quanchen

doi:10.1016/j.aej.2022.09.042

Cited by 5 publications

(1 citation statement)

References 14 publications

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“…[43] reviewed two types of reservoir-induced seismicity and its impact on earthquake generation in surrounding areas. [44] studied the modeling pattern of reservoir induced seismicity causing stressing and nucleation effects.…”

Section: Induced Seismicitymentioning

confidence: 99%

Impact of climatic anomalies and reservoir induced seismicity on earthquake generation using Federated Learning

Tehseen,

Uzma Omer,

Maham Mehr Awan

et al. 2024

VFAST trans. softw. eng.

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In this article, impact of climatic anomalies and artificial hydraulic loading on earthquake generation has been studied using federated learning (FL) technique and a model for the prediction of earthquake has been proposed. Federated Learning being one of the most recent techniques of machine learning (ML) guarantees that the proposed model possesses the intrinsic ability to handle all concerns related to data involving data privacy, data availability, data security, and network latency glitches involved in earthquake prediction by restricting data transmission to the network during different stages of model training. The main objective of this study is to determine the impact of artificial stresses and climatic anomalies on increase and decrease in regional seismicity. Experimental verification of proposed model has been carried out within 100 km radial area from 34.708o N, 72.5478o E in Western Himalayan region. Regional data of atmospheric temperature, air pressure, rainfall, water level of reservoir and seismicity has been collected on hourly bases from 1985 till 2022. In this research, four client stations at different points within the selected area have been established to train local models by calculating time lag correlation between multiple data parameters. These local models are transmitted to central server where global model is trained for generating earthquake alert with ten days lead time alarming a specific client that reported high correlation among all selected parameters about expected earthquake.

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Section: Induced Seismicitymentioning

confidence: 99%

Impact of climatic anomalies and reservoir induced seismicity on earthquake generation using Federated Learning

Tehseen,

Uzma Omer,

Maham Mehr Awan

et al. 2024

VFAST trans. softw. eng.

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Numerical modeling of hydraulic stimulation of fractured crystalline rock at the bedretto underground laboratory for geosciences and geoenergies

Vaezi,

Alcolea,

Meier

et al. 2024

International Journal of Rock Mechanics and Mining Sciences

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How Induced Earthquakes Respond to Pre‐Existing Fractures and Hydraulic Fracturing Operations? A Case Study in South China

Li,

Zhang,

Zheng

et al. 2024

JGR Solid Earth

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Hydraulic fracturing in shale gas production can induce felt earthquakes, making it crucial to understand and mitigate induced earthquakes. The Cen'gong shale gas block in South China offers extensive data—3D seismic, geological structure, microseismic data, and detailed stimulation operations—allowing a comprehensive investigation into induced earthquakes by hydraulic fracturing. Using a dense temporary seismic array and deep‐learning workflows, we build a high precision earthquake catalog and determine their focal mechanisms. Pre‐existing fractures are identified through the Ant Tracking attribute derived from the 3D seismic data. We analyze the distribution, frequency, magnitude, and focal mechanisms of induced earthquakes, compare them spatially with the distribution of the pre‐existing fractures, and track their temporal changes during and after hydraulic fracturing. Most induced earthquakes occurred along pre‐existing fractures, exhibiting relatively larger magnitudes and persistent trailing seismicity. The number of trailing seismicity is proportional to the response time of stimulation earthquakes. The focal mechanism solutions suggest that the rupture mechanism of the trailing seismicity remained unchanged. By analyzing four clusters of earthquakes, we found that in two of these clusters, the induced earthquakes initiated from the far side of the fractures, then linearly migrated along the pre‐existing fractures. This directional migration pattern is explained by stress rotation along the fractures. Our analysis suggests that both pre‐existing fractures and stimulation operations significantly influence induced earthquake occurrences. Therefore, this work may enhance our understanding of pre‐existing fractures, and optimizing stimulation operations can mitigate earthquake hazards in shale gas production.

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Mechanism and implications of shut-in induced earthquakes

Cited by 5 publications

References 14 publications

Impact of climatic anomalies and reservoir induced seismicity on earthquake generation using Federated Learning

Impact of climatic anomalies and reservoir induced seismicity on earthquake generation using Federated Learning

Numerical modeling of hydraulic stimulation of fractured crystalline rock at the bedretto underground laboratory for geosciences and geoenergies

How Induced Earthquakes Respond to Pre‐Existing Fractures and Hydraulic Fracturing Operations? A Case Study in South China

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