Authors / CoAuthors
Tenthorey, E. | Consoli, C.
Abstract
Carbon capture and storage (CCS) is one promising technology available to help mitigate elevated CO2 concentrations in the atmosphere (Cook, 2012). While CCS is currently being implemented on a large scale at a number of locations worldwide (e.g. Bickle et al., 2007; Orr, 2009; Rutqvist et al., 2010), there are some important geological factors that remain poorly understood, requiring further scientific examination to ensure that projects are able to proceed with minimal risk. One of the key factors that is difficult to predict is the behaviour of fault zones with respect to CO2 migration. Unwanted migration of CO2 through a fault zone or a network of faults is obviously undesirable as it would facilitate transport of CO2 toward the surface, possibly contaminating shallow resources in the process. While the vertical transmissibility of any one fault is difficult to predict, it is possible to determine whether fault networks are connected in 3 dimensions using novel seismic techniques. Results of such an analysis would provide important information on the likely pathways or continuity of the pathways that might exist for CO2 migration. In this paper, we present a workflow for determining fault connectivity in cap rock sequences possessing highly complex polygonal fault networks, using an example from the Bonaparte Basin in offshore northwest Australia.
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nonGeographicDataset
eCat Id
78435
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- External Publication
- Australian and New Zealand Standard Research Classification (ANZSRC)
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- Structural Geology
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- Published_Internal
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2013-01-01T00:00:00
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