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| seqstrat_importance [29/05/2023 14:55] – mike_gss | seqstrat_importance [29/05/2023 14:59] (current) – mike_gss |
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| {{:seqstrat10.jpg?nolink|}} | {{:seqstrat10.jpg?nolink|}} |
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| //Facies from separate lateral sections (upper image) can be interpreted in terms of "systems tracts" and can in turn be correlated by the sequence surfaces which separate them vertically. In practice the surfaces are usually identified and correlated first with the systems tracts interpreted between them. We can use sequence stratigraphic models to predict what sorts of facies in the same systems tracts (which can also include the deposition of no facies at all) might occur in areas between data points (lower image). Such diagrams (below) are called **Chronostratigraphic Charts** which forms the basis for regional screening and play identification.// | //Facies from separate lateral sections (upper image: green - organic rich deep water sediments; dark brown - deep water fine clastics; light brown - shallow water fine clastics; yellow - shallow water coarse clastics) can be interpreted in terms of "systems tracts" and can in turn be correlated by the sequence surfaces which separate them vertically. In practice the surfaces are usually identified and correlated first with the systems tracts interpreted between them. We can use sequence stratigraphic models to predict what sorts of facies in the same systems tracts (which can also include the deposition of no facies at all) might occur in areas between data points (lower image). Such diagrams (below) are called **Chronostratigraphic Charts** which form the basis for regional screening and play identification.// |
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| {{:seqstrat11.jpg?nolink|}} | {{:seqstrat11.jpg?nolink|}} |
