Resilience to Potential CO2 Injection Induced Seismicity, Estimated from Historic Ground Motion Exposure

Conference paper (2024)

Authors

K. Hindriks Shell Global Solutions International B.V.
S. Oates Shell Global Solutions International B.V.
T. Kettlety University of Oxford
E.M. Martuganova Applied Geophysics and Petrophysics - CEG
D. Kuehn Norsar
V. Oye Norsar
Research Group
Applied Geophysics and Petrophysics (CEG) (TU Delft)
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Published Date

2024

Language

English

Reuse Rights

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Faculty

Civil Engineering & Geosciences

Department

Geoscience and Engineering

Research Group

Applied Geophysics and Petrophysics

Abstract

North Sea subsurface structures provide prolific opportunities to reduce Europe’s carbon footprint through permanently storing emitted CO2. In this paper we present a methodology to estimate resilience of manmade facilities and environment to potential induced seismicity during injection operations, based on historically observed regionally seismicity. This enables a robust design of a well informed risk management system that provides confidence to stakeholders while properly recognizing and establishing the right level of resilience to seismic events.

The method is demonstrated by applying the assessment for offshore structures on the Norwegian shelf to address resilience to potential seismicity around the NorthernLights prospect. It appears that is likely an event with Moment Magnitude equal to 3.7 can be managed adequately. The method can be extension to other areas in the North Sea, such as the Dutch and UK sectors, and can also address for instance resilience of onshore domestic areas to offshore induced events.

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