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Dip-Sequence Analysis

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Abstract

The three-dimensional geometry of a structure can be determined from the bedding attitudes measured in a single well bore or on a traverse through a structure. The method of dip sequence analysis presented here was developed for the structural analysis of dipmeter logs by Bengtson (1981a) but is equally informative whether the traverse is down a well or along a stream. Major problems with the structural interpretation of dip data are the high stratigraphic noise content and the complexity of the structures to be interpreted. Dip sequence analysis techniques, called Statistical Curvature Analysis Techniques (SCAT or SCAT analysis) by Bengtson (1981a), are particularly good for extracting the structural signal from the noise. Using SCAT it is possible to determine the plunge of folds, the locations of fold axial surfaces, crests, and troughs, to infer the strike and dip directions of faults, and to separate regional fold trends from local fault trends. The power of the technique derives from (1) the noise-reduction strategy of examining the data as dip components in both the strike and dip directions of folding and (2) providing models for the SCAT responses of the geometry to be interpreted.

Keywords

  • Well Bore
  • Fold Axis
  • Component Plot
  • Depth Plot
  • Ional Strike

These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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  • DOI: 10.1007/978-3-540-31055-6_9
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© 2006 Springer-Verlag Berlin Heidelberg

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Groshong, R.H. (2006). Dip-Sequence Analysis. In: 3-D Structural Geology. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-31055-6_9

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