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Probabilistic Shale Smear Modelling – Scale Effects on SealingGold Open Access

Authors: T. Manzocchi, C. Childs and J. Walsh
Event name: 2nd EAGE International Conference on Fault and Top Seals - From Pore to Basin Scale 2009
Session: Fault Zone Architecture
Publication date: 21 September 2009
DOI: 10.3997/2214-4609.20147180
Organisations: EAGE
Language: English
Info: Abstract, PDF ( 1.02Mb )

Sealing effects of multiple shale smears are poorly described by traditional algorithms (e.g. SGR, SSF etc). The newer PSSF algorithm contains a more representative fault rock model, and is directly applicable to some types of fault seal problem at some scales. However, it is an averaging algorithm and explicit object-based models of shale smears are sometimes required. Both the applicability of the different approaches, and the overall effects of shale smears on across-fault connectivity, are strongly scale-dependent.

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