Application of the Distality rule of WeCo on the Gudrun-Sigrun Middle Jurassic data set, North Sea

Paul Baville and Marcus Apel and Dirk Knaust and Silvan Hoth and Guillaume Caumon. ( 2021 )
in: 2021 RING Meeting, ASGA

Abstract

Knaust and Hoth (2021) analyzed sedimentary facies (bay-head delta environment) along seven wells of the Hugin Formation (Early Callovian) of the Gudrun-Sigrun Field, North Sea. This analysis combined with biostratigraphic analysis leads to the interpretation of several paleogeographic depositional contexts of the Hugin Formation (confirmed by biostratigraphy) where 10 to 15 meter-scale cycles with shallowing-upward trend (i.e., parasequences) are interpreted. The purpose of this paper is to generate stochastic chronostratigraphic well correlations at the parasequence scale within the Hugin Formation in order to evaluate the accuracy of the proposed paleogeographic depositional contexts. For this, we use the correlation rule (distality rule) proposed by Baville et al. (2019) and implemented in WeCo (RING Consortium courtesy) based on the sedimentary facies and their depositional distality. The main principle of correlation used in the distality rule follows Walther's Law of Facies: "a well-marker (described by facies and distality) cannot be correlated with another well-marker described by a depositionally deeper facies at a more proximal position, or a depositionally shallower facies at a more distal position".

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BibTeX Reference

@inproceedings{BAVILLE_RM2021a,
 abstract = { Knaust and Hoth (2021) analyzed sedimentary facies (bay-head delta environment) along seven wells of the Hugin Formation (Early Callovian) of the Gudrun-Sigrun Field, North Sea. This analysis combined with biostratigraphic analysis leads to the interpretation of several paleogeographic depositional contexts of the Hugin Formation (confirmed by biostratigraphy) where 10 to 15 meter-scale cycles with shallowing-upward trend (i.e., parasequences) are interpreted. The purpose of this paper is to generate stochastic chronostratigraphic well correlations at the parasequence scale within the Hugin Formation in order to evaluate the accuracy of the proposed paleogeographic depositional contexts. For this, we use the correlation rule (distality rule) proposed by Baville et al. (2019) and implemented in WeCo (RING Consortium courtesy) based on the sedimentary facies and their depositional distality. The main principle of correlation used in the distality rule follows Walther's Law of Facies: "a well-marker (described by facies and distality) cannot be correlated with another well-marker described by a depositionally deeper facies at a more proximal position, or a depositionally shallower facies at a more distal position". },
 author = { Baville, Paul AND Apel, Marcus AND Knaust, Dirk AND Hoth, Silvan AND Caumon, Guillaume },
 booktitle = { 2021 RING Meeting },
 publisher = { ASGA },
 title = { Application of the Distality rule of WeCo on the Gudrun-Sigrun Middle Jurassic data set, North Sea },
 year = { 2021 }
}