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Large Fault Extraction Using Point Cloud Approach to a Seismic Enhanced Discontinuity CubeNormal access

Authors: A. Bounaim, T.H. Bř, W. Athmer, L. Sonneland and O. Knoth
Event name: 75th EAGE Conference & Exhibition incorporating SPE EUROPEC 2013
Session: Enhanced Seismic Interpretation using Geometrical Attributes
Publication date: 10 June 2013
DOI: 10.3997/2214-4609.20130750
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 3.87Mb )
Price: € 20

In general, faults are rarely completely captured by individual seismic attributes across a 3D seismic dataset, and optimal results are in many cases obtained by combining a number of attributes. For large fault identification, in particular, appropriate seismic attributes should allow for multi-scale feature detection. Extracting a large fault into one single 3D surface object, however, is still a challenge interpreters are faced with. We propose a methodology in which the edge cube, obtained after seismic attribute generation and enhancement, is processed and analyzed using a point cloud approach. This approach increases the feasibility and potential in generating large fault surfaces even if they manifest as 3D irregular geometries.

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