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Updated: Nov 7, 2025

Evaluating the Impact of Hydraulic Fracturing on Streams using Microbial Molecular Signatures

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Published on: April 4, 2021

Un enfoque basado en el riesgo para gestionar la sismicidad inducida por la fracturación hidráulica

Ryan Schultz¹, Gregory C Beroza², William L Ellsworth²

¹Department of Geophysics, Stanford University, Stanford, CA, USA. rjs10@stanford.edu.

Science (New York, N.Y.)

|April 30, 2021

Resumen

La gestión eficaz de los riesgos inducidos por terremotos es crucial. Este estudio propone umbrales de luz roja que varían espacialmente para la fracturación hidráulica, ofreciendo un enfoque más justo y seguro que los umbrales únicos para la gestión de eventos sísmicos.

Área de la Ciencia:

Geofísica y sismología
Energía y ciencias ambientales

Sus antecedentes:

La sismicidad inducida por la fractura hidráulica plantea riesgos significativos.
Se necesitan estrategias de gestión eficaces para mitigar los riesgos de terremotos.

Objetivo del estudio:

Desarrollar una estrategia basada en el riesgo para establecer umbrales de "luz roja" para la fracturación hidráulica en el esquisto Eagle Ford.
Crear umbrales de variación espacial que tengan en cuenta los impactos heterogéneos.

Principales métodos:

Utilizó una combinación de conjuntos de datos para simular impactos de molestias y daños espacialmente heterogéneos.
Se han desarrollado umbrales de luz roja de variación espacial normalizados en impactos simulados (magnitud de momento [M_w] 2,0 a 5,0).

Principales resultados:

Los impactos simulados fueron mayores en el noreste y más pequeños en el suroeste de la obra, impulsados por la densidad de población.
Se encontró que los umbrales que varían espacialmente son más justos y seguros que un umbral único de área amplia.
La magnitud máxima prevista fue el parámetro más influyente en las pruebas de sensibilidad.

Conclusiones:

La estrategia propuesta basada en el riesgo proporciona una guía para los protocolos de semáforos para gestionar los riesgos de sismicidad inducida.
Los umbrales que varían espacialmente ofrecen un enfoque más equitativo y seguro para gestionar los riesgos sísmicos asociados con la fracturación hidráulica.

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